Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

15:19

23:00

12 Bad
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good
07 Good
08 Good
09 OK
10 OK
11 Good

Sun - Rise: 07:29, Set: 19:33, Transit: 13:30. Moon - Rise: 15:19, Set: 23:00. Civil Dark: 20:07 - 06:56. Nautical Dark: 20:47 - 06:16. Astro Dark: 21:28 - 05:35

Total Clouds (% Sky Obscured)

57
26
38
74
52
92
98
98
98
87
86
90
98
100
95
29
28
20
9
13
3
9
35
7

Low Clouds (% Sky Obscured)

46
16
20
43
12
18
0
1
27
3
1
10
2
99
71
21
28
20
9
13
3
8
34
6

Medium Clouds (% Sky Obscured)

20
3
14
39
27
29
25
68
51
85
86
87
97
100
93
20
3
0
0
0
0
5
7
2

High Clouds (% Sky Obscured)

19
9
24
45
36
91
97
96
98
10
0
37
33
99
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
9
8
10
10
10
10
10
7
7
7
8
10
10
10
10
10
10
10
10
10

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
3
3
7
17
26
23
19
23
35
51
59
74
77
72
54
32
13
6
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.02
0.06
0.15
0.22
0.19
0.19
0.26
0.29
0.35
0.42
0.63
1.29
1.76
1.15
0.34
0.04
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

14
16
17
16
14
12
11
11
11
11
12
13
15
17
18
19
19
18
17
16
15
15
17
18

Chance of Frost

Temperature (°C)

19
21
22
22
21
20
19
19
18
17
16
15
15
15
15
14
13
12
11
10
10
11
12
13

Feels Like (°C)

19
21
22
22
21
20
19
19
18
17
16
15
15
15
15
14
13
12
11
7
7
11
12
13

Dew Point (°C)

15
15
15
15
16
16
15
14
13
13
14
15
15
15
14
13
11
9
8
8
8
9
10
11

Relative Humidity (%)

75
67
63
66
73
78
78
75
75
81
89
96
98
98
96
93
88
85
85
86
88
88
87
84

Pressure (mb)

1004
1004
1003
1003
1003
1002
1002
1001
1001
1000
1000
999
999
998
998
999
999
1000
1001
1002
1002
1003
1003
1003

Ozone (du)

278
278
277
277
277
277
278
280
282
284
286
287
288
288
289
291
294
296
297
298
298
298
297
296

Thursday 24

First Quarter 57%

16:24

23:53

12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:31, Set: 19:31, Transit: 13:30. Moon - Rise: 16:24, Set: 23:53. Civil Dark: 20:05 - 06:57. Nautical Dark: 20:44 - 06:18. Astro Dark: 21:26 - 05:36

Total Clouds (% Sky Obscured)

28
84
99
95
98
100
98
100
99
73
95
100
98
100
100
100
100
98
100
42
17
20
56
42

Low Clouds (% Sky Obscured)

24
45
50
8
66
10
0
2
2
8
2
13
15
62
100
0
4
27
28
18
15
20
42
40

Medium Clouds (% Sky Obscured)

20
73
98
84
98
100
95
100
94
72
95
100
92
92
100
100
97
94
94
33
5
2
13
1

High Clouds (% Sky Obscured)

0
24
40
67
16
39
91
54
96
7
34
81
94
100
64
100
100
93
100
0
2
0
24
5

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
18
33
51
62
65
65
62
61
60
56
44
24
14
12
16
21
27
32
35

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.15
0.55
0.9
0.81
0.73
0.8
0.74
0.62
0.51
0.32
0.14
0.06
0.03
0.02
0.02
0.06
0.14
0.2

Wind Speed/Direction (mph)

19
20
20
20
19
17
15
12
10
10
10
11
12
14
16
18
19
19
18
17
15
14
14
14

Chance of Frost

Temperature (°C)

15
16
17
17
16
15
14
13
12
12
11
11
11
11
11
10
10
9
8
7
7
8
9
10

Feels Like (°C)

15
16
17
17
16
15
14
13
12
12
11
11
11
11
11
10
6
5
4
3
4
5
6
10

Dew Point (°C)

11
10
10
10
10
11
11
11
12
11
11
10
10
10
10
9
9
8
7
7
7
8
9
9

Relative Humidity (%)

77
69
64
64
69
74
80
87
96
98
97
96
96
95
94
94
94
94
95
97
100
100
96
92

Pressure (mb)

1003
1002
1002
1001
1001
1000
1000
1000
999
999
998
998
997
996
995
995
995
995
995
995
996
996
996
996

Ozone (du)

294
292
291
290
290
291
292
293
294
295
297
299
303
308
313
317
320
323
324
325
325
324
324
324

Friday 25

Waxing Gibbous 68%

17:16

00:55

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:33, Set: 19:29, Transit: 13:30. Moon - Rise: 17:16, Set: 00:55. Civil Dark: 20:02 - 06:59. Nautical Dark: 20:42 - 06:19. Astro Dark: 21:23 - 05:38

Total Clouds (% Sky Obscured)

31
35
30
48
38
76
53
46
84
98
100
100
99
98
100
100
100
100
100
100
68
68
68
68

Low Clouds (% Sky Obscured)

30
26
24
43
32
71
47
14
48
47
100
100
98
34
94
94
94
94
94
94
40
40
40
40

Medium Clouds (% Sky Obscured)

7
30
22
23
23
49
44
2
26
42
100
100
89
87
100
100
100
100
100
100
60
60
60
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
38
71
96
6
33
65
95
73
73
73
73
73
73
5
5
5
5

ISS Passover

Visibility (miles)

10
10
8
7
7
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

35
31
31
38
45
60
57
47
38
32
30
27
27
22
17
12
10
17
22
27
28
21
23
19

Precipitation Amount (mm)

0.19
0.16
0.17
0.29
0.56
0.76
0.6
0.33
0.2
0.25
0.48
0.67
0.54
0.31
0.18
0.07
0.02
0.01
0.02
0.08
0.15
0.17
0.18
0.19

Wind Speed/Direction (mph)

14
15
15
14
13
13
13
13
14
16
19
20
21
21
20
19
18
17
17
17
17
17
18
19

Chance of Frost

Temperature (°C)

12
13
14
13
12
11
11
11
11
11
10
10
10
10
10
10
10
9
9
8
8
9
11
12

Feels Like (°C)

12
13
14
13
12
11
11
11
11
11
10
6
6
6
6
6
6
6
5
5
5
6
11
12

Dew Point (°C)

9
9
10
10
10
10
10
10
10
9
8
7
7
6
6
6
6
6
6
6
6
7
7
7

Relative Humidity (%)

86
80
77
80
85
92
94
92
91
89
87
84
82
81
80
80
81
81
83
84
86
84
78
73

Pressure (mb)

997
997
997
997
997
997
997
998
998
999
1000
1001
1002
1003
1003
1004
1005
1005
1006
1006
1007
1008
1008
1008

Ozone (du)

325
327
328
327
325
323
322
322
322
322
322
322
323
325
326
329
331
332
330
327
325
323
322
321

Saturday 26

Waxing Gibbous 77%

17:56

02:04

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:34, Set: 19:26, Transit: 13:29. Moon - Rise: 17:56, Set: 02:04. Civil Dark: 20:00 - 07:01. Nautical Dark: 20:39 - 06:21. Astro Dark: 21:20 - 05:40

Total Clouds (% Sky Obscured)

68
68
88
88
88
88
88
88
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
40
48
48
48
48
48
48
15
15
15
15
15
15
0
0
0
0
0
0
12
12
12
12

Medium Clouds (% Sky Obscured)

60
60
84
84
84
84
84
84
41
41
41
41
41
41
100
100
100
100
100
100
88
88
88
88

High Clouds (% Sky Obscured)

5
5
0
0
0
0
0
0
95
95
95
95
95
95
100
100
100
100
100
100
99
99
99
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

19
18
16
17
20
22
21
21
24
30
34
36
36
36
36
34
26
19
12
6
0
0
0
0

Precipitation Amount (mm)

0.17
0.14
0.12
0.14
0.22
0.32
0.29
0.23
0.22
0.46
1.12
1.7
1.53
1
0.6
0.38
0.24
0.14
0.06
0.01
0
0
0
0

Wind Speed/Direction (mph)

19
19
18
18
18
17
14
11
9
8
9
9
10
10
10
10
9
8
6
5
5
5
7
8

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
11
11
10
10
9
8
8
8
8
8
9
9
8
7
7
9
11
12

Feels Like (°C)

12
12
12
12
12
11
11
11
10
8
7
6
5
5
5
6
7
7
6
6
6
7
11
12

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
7
7
6
6
6
7
8
9

Relative Humidity (%)

70
69
70
71
73
75
77
79
82
85
86
87
88
88
88
88
86
85
87
89
91
89
84
78

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1008
1008
1008
1007
1007
1007
1006
1006
1006
1007
1006
1007
1007
1008

Ozone (du)

320
319
317
315
312
308
304
299
296
294
294
294
296
298
299
299
297
296
295
295
295
294
293
292

Sunday 27

Waxing Gibbous 85%

18:26

03:15

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:36, Set: 19:24, Transit: 13:29. Moon - Rise: 18:26, Set: 03:15. Civil Dark: 19:57 - 07:02. Nautical Dark: 20:37 - 06:23. Astro Dark: 21:18 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
12
35
35
35
35
35
35
5
5
5
5
5
5
60
60
60
60
60
60
100
100
100
100

Medium Clouds (% Sky Obscured)

88
88
8
8
8
8
8
8
2
2
2
2
2
2
100
100
100
100
100
100
99
99
99
99

High Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
98
98
98
98
98
98
35
35
35
35
35
35
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

5
5
6
6
4
4
8
9
9
8
6
4
4
6
8
10
13
14
12
9
7
7
7
5

Precipitation Amount (mm)

0.01
0.01
0.02
0.02
0.03
0.03
0.04
0.05
0.06
0.05
0.03
0.03
0.02
0.02
0.04
0.06
0.1
0.13
0.09
0.03
0.02
0.01
0.01
0.02

Wind Speed/Direction (mph)

8
9
9
9
9
8
8
7
7
7
7
7
7
7
7
7
8
8
8
7
7
7
8
8

Chance of Frost

Temperature (°C)

13
14
14
14
13
13
12
12
11
11
11
10
10
9
9
9
10
10
10
11
12
12
13
14

Feels Like (°C)

13
14
14
14
13
13
12
12
11
11
11
10
8
7
7
7
8
10
10
11
12
12
13
14

Dew Point (°C)

9
9
8
9
9
9
9
8
8
8
7
7
7
7
7
7
8
8
9
9
10
11
12
12

Relative Humidity (%)

73
71
71
72
74
77
79
81
84
83
81
81
83
85
88
89
89
89
89
89
91
92
91
88

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1005
1006
1006

Ozone (du)

291
290
290
290
289
291
295
301
306
308
308
308
308
307
304
298
290
283
280
278
276
276
276
276

Monday 28

Waxing Gibbous 92%

18:49

04:27

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:38, Set: 19:22, Transit: 13:29. Moon - Rise: 18:49, Set: 04:27. Civil Dark: 19:55 - 07:04. Nautical Dark: 20:35 - 06:25. Astro Dark: 21:15 - 05:44

Total Clouds (% Sky Obscured)

100
100
48
48
48
48
48
48
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
36
36
36
36
36
36
100
100
100
100
100
100
100
100
100
100
100
100
90
90
90
90

Medium Clouds (% Sky Obscured)

99
99
26
26
26
26
26
26
10
10
10
10
10
10
64
64
64
64
64
64
99
99
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
9
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
8
10
16
20
21
21
12
7
5
7
8
9
14
21
26
30
34
41
45
38
31
23
15

Precipitation Amount (mm)

0.02
0.01
0.02
0.05
0.12
0.18
0.12
0.05
0.02
0.01
0.01
0.01
0.01
0.02
0.04
0.05
0.07
0.11
0.2
0.34
0.42
0.32
0.18
0.1

Wind Speed/Direction (mph)

9
9
9
9
9
9
8
8
8
7
7
7
7
7
7
7
7
7
8
9
10
10
11
11

Chance of Frost

Temperature (°C)

15
16
17
17
17
16
15
15
15
14
14
13
13
13
13
13
13
13
13
13
13
14
14
15

Feels Like (°C)

15
16
17
17
17
16
15
15
15
14
14
13
13
13
13
13
13
13
13
13
13
14
14
15

Dew Point (°C)

13
13
13
13
13
13
12
12
12
12
12
11
11
12
12
12
12
13
13
13
13
13
14
14

Relative Humidity (%)

85
80
77
76
78
81
83
84
85
86
86
87
89
91
93
94
95
96
98
99
100
100
96
90

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010

Ozone (du)

275
275
275
275
274
274
275
277
278
279
280
281
282
284
285
286
287
287
288
289
289
287
286
284

Tuesday 29

Waxing Gibbous 96%

19:08

05:37

12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Good
23 Good
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:39, Set: 19:19, Transit: 13:28. Moon - Rise: 19:08, Set: 05:37. Civil Dark: 19:53 - 07:06. Nautical Dark: 20:32 - 06:26. Astro Dark: 21:13 - 05:46

Total Clouds (% Sky Obscured)

100
100
34
34
34
34
34
34
10
10
10
10
10
10
81
81
81
81
81
81
100
100
100
100

Low Clouds (% Sky Obscured)

90
90
21
21
21
21
21
21
10
10
10
10
10
10
33
33
33
33
33
33
34
34
34
34

Medium Clouds (% Sky Obscured)

99
99
28
28
28
28
28
28
1
1
1
1
1
1
72
72
72
72
72
72
98
98
98
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
27
27
27
27
27
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

10
3
0
0
6
11
13
14
16
14
10
9
12
18
28
27
11
5
0
0
0
8
6
7

Precipitation Amount (mm)

0.04
0.01
0
0
0.02
0.04
0.06
0.1
0.13
0.12
0.1
0.08
0.11
0.19
0.23
0.14
0.04
0.01
0
0
0
0.01
0.01
0.02

Wind Speed/Direction (mph)

11
11
11
10
10
10
8
6
5
5
5
6
6
7
7
7
7
7
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

16
17
18
18
18
17
15
15
14
13
12
12
12
12
11
11
11
11
10
10
10
11
12
13

Feels Like (°C)

16
17
18
18
18
17
15
15
14
13
12
12
12
12
11
11
11
11
10
8
8
11
12
13

Dew Point (°C)

13
13
12
12
12
12
11
11
11
10
9
9
9
9
9
10
10
9
9
9
9
10
10
10

Relative Humidity (%)

83
74
69
67
69
73
77
79
83
83
83
83
84
85
87
89
89
89
91
93
96
95
89
83

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1008
1008
1008
1007

Ozone (du)

285
285
286
286
285
284
284
284
284
283
283
284
285
287
289
291
292
293
293
292
292
293
294
295

Forecast for Utrecht, Utrecht, NL (52.13,5.29)

Generated: 23/09/20 12:40:32. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+2.00