Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 17

Waxing Crescent 41%

15:58

22:27

19 Bad
20 OK
21 OK
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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:10, Set: 18:38, Transit: 13:24. Moon - Rise: 15:58, Set: 22:27. Civil Dark: 19:15 - 07:36. Nautical Dark: 19:54 - 06:57. Astro Dark: 20:33 - 06:17

Total Clouds (% Sky Obscured)

42
38
26
48
54
76
80
95
65
65
51
76
95
89
92
85
98
97
100
79
98
100
95
100

Low Clouds (% Sky Obscured)

31
33
26
15
1
23
47
84
51
48
25
75
92
87
90
84
97
95
99
79
79
67
51
36

Medium Clouds (% Sky Obscured)

0
0
23
40
54
56
52
83
26
30
29
15
33
46
33
14
9
17
2
0
35
75
83
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
94
100
78
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

11
8
12
13
14
13
22
19
9
8
12
27
43
53
34
11
8
9
6
3
13
5
13
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
7
6
6
6
6
5
6
6
5
6
5
5
7
7
8
8
9
9
10
10
10
9

Dew Point (°C)

8
7
4
4
5
6
6
7
7
7
6
6
6
6
7
8
9
9
9
8
9
9
9
9

Relative Humidity (%)

80
80
70
73
84
88
88
90
90
91
90
93
91
91
93
93
91
90
86
80
79
81
84
86

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

311
310
308
305
304
304
304
302
302
302
300
297
295
293
288
283
280
278
278
278
278
278
277
276

Sunday 18

First Quarter 51%

16:19

23:39

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK

Sun - Rise: 08:12, Set: 18:36, Transit: 13:24. Moon - Rise: 16:19, Set: 23:39. Civil Dark: 19:12 - 07:37. Nautical Dark: 19:52 - 06:58. Astro Dark: 20:31 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
100
100
59
100
100
100
84
48
71
64
59
40
31

Low Clouds (% Sky Obscured)

57
50
60
80
87
84
93
94
74
61
67
94
61
27
35
36
32
34
17
0
0
0
0
0

Medium Clouds (% Sky Obscured)

97
95
100
100
100
83
68
68
59
58
53
50
41
27
26
26
20
0
3
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
48
54
100
100
100
100
100
100
100
36
100
100
100
60
25
56
45
54
40
31

ISS Passover

Visibility (miles)

9
9
9
7
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

2
9
34
64
85
76
55
67
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.5
0.4
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
6
7
7
8
8
9
8
8
8
8
9
10
10
10
11
11
11
11
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
7
8
8
8
8
9
9
9
9
8
8
9
8
8
8
9
11
11
13
11
10

Dew Point (°C)

9
9
8
8
9
9
10
10
10
11
11
10
10
9
9
9
8
7
6
5
6
7
7
8

Relative Humidity (%)

90
88
85
87
95
95
96
93
93
95
95
95
91
91
91
87
81
73
65
58
56
60
64
70

Pressure (mb)

1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1026
1026
1025
1025

Ozone (du)

275
274
273
276
277
280
279
278
276
273
271
270
271
273
274
273
273
271
270
269
269
270
272
273

Monday 19

Waxing Gibbous 61%

16:35

00:53

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

Sun - Rise: 08:14, Set: 18:34, Transit: 13:24. Moon - Rise: 16:35, Set: 00:53. Civil Dark: 19:10 - 07:39. Nautical Dark: 19:50 - 07:00. Astro Dark: 20:29 - 06:21

Total Clouds (% Sky Obscured)

59
55
37
21
3
17
20
16
7
3
2
6
32
10
25
25
25
25
25
25
20
20
20
25

Low Clouds (% Sky Obscured)

16
20
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
14
20
20
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
25
25
20
20
20
25

High Clouds (% Sky Obscured)

35
24
25
21
2
17
20
16
7
3
2
5
30
10
25
25
25
25
25
25
17
13
20
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
10
9
24
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
11
10
10
9
8
7
7
6
5
5
4
4
4
5
7
8
10
11
11
12
12
10

Feels Like (°C)

9
7
7
6
5
6
4
3
2
2
2
2
1
1
0
0
1
4
6
6
7
7
8
7

Dew Point (°C)

7
7
6
6
5
5
4
3
2
1
-1
-1
-1
-1
-1
-1
0
1
3
4
4
4
6
7

Relative Humidity (%)

75
76
74
74
73
74
74
74
72
69
66
67
68
69
69
67
64
61
60
59
62
59
67
78

Pressure (mb)

1025
1025
1024
1024
1023
1023
1022
1021
1021
1020
1019
1018
1018
1017
1017
1016
1015
1014
1013
1012
1011
1010
1010
1009

Ozone (du)

275
276
275
276
276
278
281
282
283
283
283
283
283
283
283
282
282
282
283
283
282
281
279
279

Tuesday 20

Waxing Gibbous 70%

16:49

02:09

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:15, Set: 18:32, Transit: 13:24. Moon - Rise: 16:49, Set: 02:09. Civil Dark: 19:08 - 07:41. Nautical Dark: 19:48 - 07:01. Astro Dark: 20:27 - 06:22

Total Clouds (% Sky Obscured)

25
45
61
78
85
92
97
98
99
100
100
100
100
100
99
100
100
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

25
45
61
78
85
88
89
88
90
93
38
39
39
41
43
45
52
52
71
87
82
79
77
45

Medium Clouds (% Sky Obscured)

25
45
48
61
73
84
95
96
98
100
98
73
56
54
54
48
45
37
35
86
74
85
86
83

High Clouds (% Sky Obscured)

25
45
55
50
58
58
62
72
87
100
100
100
100
95
86
77
76
79
81
79
79
80
87
94

ISS Passover

Visibility (miles)

9
6
5
9
9
9
8
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

64
88
55
27
24
46
39
43
54
30
22
27
31
26
17
8
10
10
4
11
18
15
29
22

Precipitation Amount (mm)

0.3
0.8
0.2
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
5
5
5
6
6
6
6
6
6
6
7
7
8
8
9
11
10
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

87
91
95
94
98
96
96
96
95
96
95
93
95
95
91
87
81
75
70
67
73
75
80
80

Pressure (mb)

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

Ozone (du)

277
277
276
278
279
280
284
284
284
288
289
292
295
297
294
292
292
290
288
288
288
284
281
281

Wednesday 21

Waxing Gibbous 79%

17:00

03:26

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

Sun - Rise: 08:17, Set: 18:30, Transit: 13:23. Moon - Rise: 17:00, Set: 03:26. Civil Dark: 19:06 - 07:42. Nautical Dark: 19:46 - 07:03. Astro Dark: 20:25 - 06:24

Total Clouds (% Sky Obscured)

100
99
98
97
93
96
56
46
37
29
23
20
19
57
58
67
75
78
82
87
90
93
94
94

Low Clouds (% Sky Obscured)

72
72
71
39
24
30
38
33
27
22
17
15
14
20
18
17
27
36
45
55
64
78
80
82

Medium Clouds (% Sky Obscured)

44
70
39
38
35
34
36
24
12
0
0
0
1
43
43
45
45
45
44
34
24
13
16
18

High Clouds (% Sky Obscured)

100
75
50
25
24
31
1
0
0
0
0
0
0
20
10
0
0
0
0
0
1
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
5
20
28
30
41
39
32
22
17
9
6
5
39
24
3
5
4
2
10
7
4
9
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
9
9
8
7
9
12
12
10
9
9
8
8
10
11
12
12
13
14
12
11
11
11

Chance of Frost

Temperature (°C)

12
11
11
11
10
10
10
10
10
9
8
8
7
7
9
10
11
12
13
13
13
13
13
12

Feels Like (°C)

7
6
6
6
6
7
7
7
7
7
7
6
5
5
7
6
6
7
7
7
10
10
10
9

Dew Point (°C)

7
5
4
4
4
5
5
6
6
6
6
6
6
6
7
7
6
7
8
8
8
8
9
8

Relative Humidity (%)

73
65
64
61
67
68
71
74
76
80
85
90
91
93
85
80
74
72
71
69
70
72
74
76

Pressure (mb)

1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1014
1014
1015
1015
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

281
282
284
287
288
289
294
298
300
304
306
310
312
313
313
314
314
313
311
310
309
308
306
307

Thursday 22

Waxing Gibbous 87%

17:12

04:44

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:19, Set: 18:28, Transit: 13:23. Moon - Rise: 17:12, Set: 04:44. Civil Dark: 19:04 - 07:44. Nautical Dark: 19:44 - 07:05. Astro Dark: 20:23 - 06:26

Total Clouds (% Sky Obscured)

93
76
68
67
76
83
90
79
69
59
70
75
80
85
91
98
94
90
84
90
92
93
92
90

Low Clouds (% Sky Obscured)

85
66
47
28
22
17
11
32
52
59
67
62
60
68
78
88
83
76
70
77
84
93
92
90

Medium Clouds (% Sky Obscured)

21
24
34
45
45
39
26
32
35
38
49
60
69
72
79
84
67
48
34
51
68
83
83
84

High Clouds (% Sky Obscured)

1
6
17
40
65
74
84
73
68
59
70
75
80
76
68
64
56
51
51
40
20
0
3
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
3
4
5
6
7
8
8
7
5
4
6

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

Precipitation Probability (%)

13
15
16
3
14
15
9
10
4
3
28
44
66
95
95
95
95
87
77
87
85
76
85
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
1.2
1.4
0.8
0.5
0.5
0.6
0.5
0.4
0.5
0.6

Wind Speed/Direction (mph)

11
12
12
12
13
13
13
13
15
16
18
18
19
20
18
17
18
17
17
16
17
17
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
8
8
8
8
7
7
6
5
6
6
6
6
6
6
6
7
7
10
9
10
9

Dew Point (°C)

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

Relative Humidity (%)

77
78
83
87
91
88
87
87
84
81
77
81
87
91
90
90
89
86
83
80
83
86
89
88

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012
1011
1010
1010
1009
1009
1009
1009
1008
1008
1008
1007
1008

Ozone (du)

307
307
305
302
299
296
293
289
284
280
275
274
273
272
278
284
290
292
294
296
300
303
306
310

Friday 23

Waxing Gibbous 94%

17:24

06:04

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
12 Bad
13 Bad

Sun - Rise: 08:21, Set: 18:26, Transit: 13:23. Moon - Rise: 17:24, Set: 06:04. Civil Dark: 19:02 - 07:46. Nautical Dark: 19:42 - 07:06. Astro Dark: 20:21 - 06:27

Total Clouds (% Sky Obscured)

89
87
86
85
80
74
67
77
88
99
90
81
72
80
90
100
99
98
97

Low Clouds (% Sky Obscured)

89
78
67
57
55
53
53
53
53
55
44
31
20
24
27
32
32
31
31

Medium Clouds (% Sky Obscured)

87
83
79
77
62
50
35
54
76
98
88
78
72
66
68
67
68
69
70

High Clouds (% Sky Obscured)

8
9
12
14
15
21
25
37
47
54
56
54
55
65
78
89
82
74
67

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
91
74
52
60
66
69
62
53
45
37
27
6
15
20
14
27
32
32

Precipitation Amount (mm)

0.8
0.6
0.4
0
0.3
0.4
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
15
13
12
14
15
17
16
15
14
14
14
13
13
13
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
5
4
4
4
4
4
4
3
3
3
2
2
1
2
3
2
3

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
82
80
81
84
87
88
87
88
90
91
91
90
88
87
81
76

Pressure (mb)

1009
1010
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1015

Ozone (du)

314
318
321
324
326
325
324
324
325
327
329
332
334
337
340
343
347
347
348

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 17/10/26 19:09:45. Forecast: 17/10/26 to 24/10/26. Timezone: UTC+2.00