Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 39%

11:39

00:23

10 Bad
11 Bad
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

Sun - Rise: 08:31, Set: 17:14, Transit: 12:53. Moon - Rise: 11:39, Set: 00:23. Civil Dark: 17:50 - 07:54. Nautical Dark: 18:31 - 07:14. Astro Dark: 19:09 - 06:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
87
99
98
98
98
100
100
100
100
99
100
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
18
17
20
31
2
91
100
24
12
0
0
0

Medium Clouds (% Sky Obscured)

93
100
100
18
31
12
1
90
81
83
43
74
13
94
5
9
18
100
100
100
100
98
100
95

High Clouds (% Sky Obscured)

96
98
95
86
52
37
91
99
98
98
96
88
84
94
98
98
98
99
99
97
96
89
93
84

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

Precipitation Type

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

Precipitation Probability (%)

56
52
48
68
40
20
19
12
10
12
11
9
8
7
7
0
0
4
7
14
25
18
10
16

Precipitation Amount (mm)

0.74
0.45
0.33
0.38
0.12
0.03
0.05
0.03
0.02
0.05
0.05
0.06
0.07
0.06
0.05
0
0
0.01
0.05
0.13
0.21
0.17
0.05
0.08

Wind Speed/Direction (mph)

22
22
21
21
20
19
19
19
19
19
19
20
20
21
21
21
21
21
21
21
21
21
21
21

Chance of Frost

Temperature (°C)

4
4
4
5
6
6
7
7
6
6
5
5
5
5
5
5
5
6
6
6
5
5
5
5

Feels Like (°C)

-2
-2
-1
-0
1
2
3
2
2
1
1
0
-0
-0
-0
-0
0
1
1
1
0
-0
-1
-1

Dew Point (°C)

2
2
3
4
5
5
6
5
5
5
5
4
4
4
3
3
3
4
4
3
3
2
2
2

Relative Humidity (%)

88
89
90
93
93
92
90
90
92
93
94
93
91
90
89
88
87
86
84
84
84
83
83
84

Pressure (mb)

1012
1012
1012
1011
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1002

Ozone (du)

275
275
276
280
284
288
288
289
290
294
294
292
293
293
293
286
285
286
289
289
288
285
285
286

Wednesday 20

First Quarter 49%

11:55

01:30

10 Bad
11 Bad
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 OK

Sun - Rise: 08:29, Set: 17:15, Transit: 12:53. Moon - Rise: 11:55, Set: 01:30. Civil Dark: 17:52 - 07:53. Nautical Dark: 18:32 - 07:13. Astro Dark: 19:11 - 06:34

Total Clouds (% Sky Obscured)

91
100
94
100
98
88
97
96
100
100
98
98
99
93
83
23
98
100
99
100
99
38
37
34

Low Clouds (% Sky Obscured)

1
2
2
1
2
5
7
8
9
7
31
1
2
2
29
0
69
100
98
98
1
38
37
34

Medium Clouds (% Sky Obscured)

39
100
29
99
91
42
45
28
1
97
74
38
69
19
60
23
98
90
98
100
99
0
0
0

High Clouds (% Sky Obscured)

87
97
93
93
73
81
95
95
100
91
98
98
98
92
63
1
29
0
1
1
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
5
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
None
None
None
None
None
None
None
None
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

11
11
8
5
4
0
0
0
0
4
3
6
6
7
10
23
32
48
59
67
69
46
14
13

Precipitation Amount (mm)

0.04
0.04
0.04
0.03
0.02
0
0
0
0
0.04
0.05
0.06
0.06
0.04
0.05
0.12
0.24
0.54
0.76
1.2
0.66
0.3
0.03
0.05

Wind Speed/Direction (mph)

21
21
22
22
22
21
21
21
20
20
20
21
22
23
25
26
27
29
29
27
25
21
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
3
3
4
4
4
4
5
6
7
6
6
6
6
6
6
6
6
4
4
3

Relative Humidity (%)

85
83
80
78
76
74
74
74
75
77
78
81
82
81
79
79
78
80
82
84
89
86
85
85

Pressure (mb)

1002
1001
1001
1000
999
998
997
996
996
995
994
994
993
992
991
990
990
989
989
990
992
992
993
994

Ozone (du)

286
287
288
287
287
289
290
290
291
292
296
300
302
304
306
308
314
317
319
320
318
323
326
327

Thursday 21

Waxing Gibbous 58%

12:11

02:37

10 Bad
11 Bad
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

Sun - Rise: 08:28, Set: 17:17, Transit: 12:53. Moon - Rise: 12:11, Set: 02:37. Civil Dark: 17:53 - 07:52. Nautical Dark: 18:33 - 07:12. Astro Dark: 19:12 - 06:33

Total Clouds (% Sky Obscured)

43
48
41
83
98
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
94
94
94

Low Clouds (% Sky Obscured)

43
4
29
31
38
25
30
24
100
100
100
100
99
98
100
82
82
82
82
82
82
32
32
32

Medium Clouds (% Sky Obscured)

0
0
0
18
33
50
41
100
100
100
100
98
86
98
100
100
100
100
100
100
100
0
0
0

High Clouds (% Sky Obscured)

0
45
20
74
97
100
99
100
100
100
100
75
20
77
4
66
66
66
66
66
66
91
91
91

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2

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
Light Rain
Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

14
12
11
10
8
9
10
28
50
70
72
68
64
60
67
70
64
44
48
42
47
42
16
14

Precipitation Amount (mm)

0.05
0.04
0.02
0.01
0.01
0.02
0.03
0.23
0.69
1.01
0.92
0.68
0.52
0.38
0.59
1.34
1.13
0.2
0.31
0.19
0.19
0.08
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
1
1
2
2
2
2
2
2
3
4
5
5
4
3
2
2
2
1
1
1
1
0

Dew Point (°C)

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

Relative Humidity (%)

85
83
83
84
83
83
83
85
89
92
93
93
93
92
92
93
94
93
92
91
90
90
90
90

Pressure (mb)

995
995
995
995
994
993
993
992
991
990
989
988
987
987
987
987
988
989
990
990
991
993
994
995

Ozone (du)

326
323
321
325
325
325
323
322
321
318
321
325
327
328
326
324
325
327
329
328
328
329
328
327

Friday 22

Waxing Gibbous 68%

12:30

03:44

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

Sun - Rise: 08:27, Set: 17:19, Transit: 12:53. Moon - Rise: 12:30, Set: 03:44. Civil Dark: 17:55 - 07:51. Nautical Dark: 18:35 - 07:11. Astro Dark: 19:13 - 06:33

Total Clouds (% Sky Obscured)

94
94
94
91
91
91
91
91
91
26
26
26
26
26
26
98
98
98
98
98
98
100
100
100

Low Clouds (% Sky Obscured)

32
32
32
30
30
30
30
30
30
23
23
23
23
23
23
5
5
5
5
5
5
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
85
85
85
85
85
85
6
6
6
6
6
6
67
67
67
67
67
67
6
6
6

High Clouds (% Sky Obscured)

91
91
91
33
33
33
33
33
33
0
0
0
0
0
0
95
95
95
95
95
95
22
22
22

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
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

Precipitation Probability (%)

0
0
0
7
12
11
12
12
13
10
12
19
15
20
17
12
11
21
25
32
45
44
45
42

Precipitation Amount (mm)

0
0
0
0.01
0.03
0.03
0.04
0.04
0.05
0.02
0.01
0.04
0.03
0.05
0.03
0.03
0.01
0.04
0.03
0.04
0.08
0.11
0.25
0.21

Wind Speed/Direction (mph)

11
11
11
12
12
11
10
9
9
9
9
9
10
10
10
10
11
12
13
13
13
14
15
15

Chance of Frost

Temperature (°C)

4
4
5
5
6
6
6
5
4
4
4
4
4
4
3
3
3
4
4
4
4
4
4
4

Feels Like (°C)

0
1
1
1
2
2
3
2
1
1
0
0
0
0
-0
-1
-1
-0
-1
-1
-1
-1
-1
-1

Dew Point (°C)

3
3
3
3
3
3
4
4
4
4
4
3
3
3
3
3
3
3
3
2
2
2
2
2

Relative Humidity (%)

92
91
87
84
83
84
86
91
95
97
98
98
97
96
95
96
96
94
92
91
92
91
90
90

Pressure (mb)

995
996
996
996
996
997
997
997
998
998
998
998
998
998
998
998
998
998
998
998
998
998
998
997

Ozone (du)

327
328
329
331
333
337
340
340
340
340
340
342
342
344
344
349
350
351
353
353
353
353
356
356

Saturday 23

Waxing Gibbous 77%

12:53

04:52

10 Bad
11 Bad
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

Sun - Rise: 08:26, Set: 17:20, Transit: 12:54. Moon - Rise: 12:53, Set: 04:52. Civil Dark: 17:56 - 07:50. Nautical Dark: 18:36 - 07:10. Astro Dark: 19:15 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
42
42
42

Low Clouds (% Sky Obscured)

100
100
100
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
42
42
42

Medium Clouds (% Sky Obscured)

6
6
6
100
100
100
100
100
100
68
68
68
68
68
68
25
25
25
25
25
25
2
2
2

High Clouds (% Sky Obscured)

22
22
22
100
100
100
100
100
100
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
10
8
7
2
1
0
1
9
8
9
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

42
42
49
64
73
75
71
69
71
70
63
52
48
40
32
33
32
32
33
34
33
31
30
33

Precipitation Amount (mm)

0.2
0.23
0.37
0.44
0.84
0.86
0.66
0.53
0.7
0.74
0.65
0.65
0.58
0.38
0.17
0.12
0.09
0.09
0.09
0.09
0.1
0.12
0.17
0.23

Wind Speed/Direction (mph)

16
14
13
15
15
14
14
14
13
11
12
14
16
16
16
20
20
20
21
21
22
22
22
22

Chance of Frost

Temperature (°C)

4
4
4
4
4
3
3
4
4
4
4
4
4
5
5
6
6
6
5
5
4
4
4
4

Feels Like (°C)

-1
-1
-0
-0
-1
-1
-1
-1
-1
0
0
-0
-1
-0
0
2
1
1
-0
-1
-1
-2
-2
-2

Dew Point (°C)

2
3
3
4
3
3
3
3
3
4
4
4
4
4
4
6
5
5
4
4
3
3
3
3

Relative Humidity (%)

91
93
93
95
97
97
97
98
99
100
100
100
99
98
97
97
96
95
94
93
92
91
91
92

Pressure (mb)

997
997
997
995
995
994
994
993
993
993
993
992
991
991
991
987
988
988
989
989
990
990
990
990

Ozone (du)

353
354
357
360
361
359
358
357
356
357
359
359
359
358
358
359
359
360
362
365
368
371
374
376

Sunday 24

Waxing Gibbous 85%

13:21

05:58

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

Sun - Rise: 08:25, Set: 17:22, Transit: 12:54. Moon - Rise: 13:21, Set: 05:58. Civil Dark: 17:58 - 07:49. Nautical Dark: 18:38 - 07:09. Astro Dark: 19:16 - 06:31

Total Clouds (% Sky Obscured)

42
42
42
73
73
73
73
73
73
17
17
17
17
17
17
98
98
98
98
98
98
90
90
90

Low Clouds (% Sky Obscured)

42
42
42
73
73
73
73
73
73
17
17
17
17
17
17
20
20
20
20
20
20
88
88
88

Medium Clouds (% Sky Obscured)

2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
66
66
66
66
66
66
29
29
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
96
96
96
96
96
96
13
13
13

ISS Passover

Visibility (miles)

10
10
10
10
10
4
0
3
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

27
20
23
23
32
55
71
75
67
59
51
37
23
14
7
0
0
0
0
2
4
6
9
11

Precipitation Amount (mm)

0.28
0.24
0.17
0.15
0.23
0.52
0.8
0.78
0.61
0.45
0.29
0.16
0.08
0.03
0.01
0
0
0
0
0.01
0.05
0.09
0.07
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-1
-1
-0
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-4
-4
-3
-3

Dew Point (°C)

3
3
3
3
3
3
3
4
3
3
3
3
2
2
2
1
1
0
-0
-0
-0
-0
0
1

Relative Humidity (%)

93
93
92
92
94
97
98
100
100
100
100
100
99
98
96
95
94
93
92
91
91
91
91
91

Pressure (mb)

991
991
991
991
991
992
992
993
995
996
997
998
1000
1000
1001
1002
1002
1002
1003
1003
1003
1003
1004
1004

Ozone (du)

378
380
380
382
383
386
388
391
395
397
398
399
399
399
398
398
396
394
394
394
395
397
400
405

Monday 25

Waxing Gibbous 91%

13:58

06:59

10 Bad
11 Bad
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

Sun - Rise: 08:24, Set: 17:24, Transit: 12:54. Moon - Rise: 13:58, Set: 06:59. Civil Dark: 17:59 - 07:48. Nautical Dark: 18:39 - 07:08. Astro Dark: 19:18 - 06:30

Total Clouds (% Sky Obscured)

90
90
90
79
79
79
79
79
79
71
71
71
71
71
71
84
84
84
84
84
84
100
100
100

Low Clouds (% Sky Obscured)

88
88
88
79
79
79
79
79
79
71
71
71
71
71
71
81
81
81
81
81
81
48
48
48

Medium Clouds (% Sky Obscured)

29
29
29
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
36
36
36

High Clouds (% Sky Obscured)

13
13
13
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
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
7

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

15
30
42
48
52
46
37
24
14
11
9
12
15
12
8
5
3
0
0
0
8
22
38
66

Precipitation Amount (mm)

0.03
0.15
0.5
0.81
0.71
0.46
0.27
0.13
0.03
0.02
0.01
0.04
0.09
0.09
0.07
0.05
0.02
0
0
0
0.03
0.05
0.07
0.21

Wind Speed/Direction (mph)

14
15
15
15
16
17
17
16
14
13
13
13
13
12
12
11
11
11
11
11
11
12
13
14

Chance of Frost

Temperature (°C)

3
3
3
4
4
4
5
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Feels Like (°C)

-2
-2
-1
-1
-1
-0
0
-0
-1
-1
-1
-1
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2

Dew Point (°C)

1
2
2
3
3
3
4
4
4
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2

Relative Humidity (%)

92
93
93
92
92
92
95
96
98
99
100
100
100
100
99
98
97
96
95
94
94
94
94
94

Pressure (mb)

1004
1004
1004
1004
1004
1005
1005
1006
1008
1009
1010
1011
1012
1013
1013
1013
1014
1014
1013
1014
1013
1013
1012
1012

Ozone (du)

408
409
408
406
403
400
395
388
379
371
364
357
350
344
338
333
332
332
332
330
328
326
324
322

Forecast for Charleroi, Hainaut, BE (50.41,4.44)

Generated: 19/01/21 10:05:20. Forecast: 19/01/21 to 25/01/21. Timezone: UTC+1.00