Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

16:24

07:54

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
19 Bad

Sun - Rise: 07:46, Set: 17:00, Transit: 12:23. Moon - Rise: 16:24, Set: 07:54. Civil Dark: 17:35 - 07:10. Nautical Dark: 18:15 - 06:30. Astro Dark: 18:54 - 05:51

Total Clouds (% Sky Obscured)

74
72
89
100
100
96
98
100
90
92
93
99
93
90
93
92
97
100
94
96
100
67
64
47

Low Clouds (% Sky Obscured)

53
63
52
47
37
33
35
32
31
41
45
48
46
51
51
60
73
76
90
70
83
56
43
47

Medium Clouds (% Sky Obscured)

0
0
50
90
99
86
96
100
88
88
91
99
90
86
47
77
96
99
81
28
35
17
16
0

High Clouds (% Sky Obscured)

0
35
81
68
65
90
77
100
43
58
50
50
0
4
43
65
3
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
0
0
0
0
0
1
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
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
2
4
8
12
41
56
58
55
31
15
33
45
68
41
28
26
27
8
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
96
96
96
96
96
98
98
96
98
98
98
96
94
95
95
96
98
96
94
96
94

Pressure (mb)

1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

475
431
419
409
404
401
399
394
392
386
385
388
388
389
388
389
388
388
387
392
388
387
385
385

Sunday 1

Full Moon 100%

17:52

08:15

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
19 Bad

Sun - Rise: 07:44, Set: 17:01, Transit: 12:23. Moon - Rise: 17:52, Set: 08:15. Civil Dark: 17:37 - 07:08. Nautical Dark: 18:17 - 06:28. Astro Dark: 18:56 - 05:50

Total Clouds (% Sky Obscured)

57
59
61
65
62
72
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

57
59
61
65
62
72
100
100
100
100
100
90
86
88
88
96
84
90
93
79
79
73
91
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
0
1
0
8
65
76
100
100
100
88
75
85
91
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
11
9
10
93
94
100
100
100
100
100
100
100
15
100
99
100
100

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
2
45
41
5
1
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
1
1
3
5
1
1
1
0
0
0
4
3
5
15
20
42
54

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)

4
4
4
2
3
2
3
2
4
4
5
6
6
8
10
13
13
15
15
16
17
18
19
18

Chance of Frost

Temperature (°C)

4
3
2
2
1
1
1
1
1
1
2
2
3
4
5
6
6
7
7
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
93
91
91
91
91
91
91
93
93
94
93
88
85
82
81
82
84
87
90
91
93

Pressure (mb)

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

Ozone (du)

384
386
384
380
379
378
374
374
374
373
373
373
373
373
374
373
372
371
369
369
368
368
371
372

Monday 2

Waning Gibbous 98%

19:15

08:30

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
19 Bad

Sun - Rise: 07:42, Set: 17:03, Transit: 12:23. Moon - Rise: 19:15, Set: 08:30. Civil Dark: 17:39 - 07:07. Nautical Dark: 18:19 - 06:27. Astro Dark: 18:57 - 05:48

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
100
100
100

Low Clouds (% Sky Obscured)

75
80
95
91
88
92
95
95
95
100
100
97
100
100
100
100
99
97
96
96
96
97
98
99

Medium Clouds (% Sky Obscured)

100
100
100
96
90
100
97
100
99
100
97
100
100
98
99
99
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
87
100
100
100
100
100
81
39
52
33
55
78
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
0
0
0
0
1
1
2
3
2
4
3
3
2
1
1
4
3

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
Very Light Rain
Light Rain
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 (%)

55
54
56
55
55
54
54
66
73
61
56
54
76
89
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0
0
0
0.3
0.4
0.8
0.9
1.1
1.4
1.6
1.6
1.5
1.5
1.4
1.6

Wind Speed/Direction (mph)

19
19
19
19
18
18
18
17
16
16
16
16
15
15
14
14
14
13
11
11
10
8
8
5

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
4
4
4

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
4
4
4

Relative Humidity (%)

94
94
94
96
96
96
96
98
96
98
98
98
98
96
98
96
96
96
96
98
98
96
98
98

Pressure (mb)

990
990
990
990
989
989
989
989
988
988
989
989
989
989
989
990
990
990
989
990
990
990
991
991

Ozone (du)

372
376
377
377
377
376
377
380
382
383
383
385
386
385
384
384
384
385
385
384
382
382
381
386

Tuesday 3

Waning Gibbous 94%

No Rise

08:43

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
19 Bad

Sun - Rise: 07:41, Set: 17:05, Transit: 12:23. Moon - Rise: No Rise, Set: 08:43. Civil Dark: 17:41 - 07:05. Nautical Dark: 18:20 - 06:26. Astro Dark: 18:59 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
83
73
69
64
60
71
82

Low Clouds (% Sky Obscured)

100
99
98
97
80
67
52
62
69
74
79
81
81
79
75
68
59
56
53
51
52
47
56
62

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
82
67
54
60
48
40
35
40
40
58
66

High Clouds (% Sky Obscured)

100
85
75
67
100
100
100
100
86
77
77
75
70
75
75
80
64
54
32
37
45
24
13
23

ISS Passover

Visibility (miles)

3
0
0
0
0
7
9
9
9
9
9
9
9
8
8
4
7
6
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

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

Precipitation Probability (%)

95
95
95
95
95
92
76
67
51
19
18
17
23
31
33
35
40
42
39
37
32
12
14
10

Precipitation Amount (mm)

1.4
1.4
1.2
1.1
0.9
0.7
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
2
1
2
2
3
2
2
3
4
4
6
8
11
11
10
9
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
1
2
2
2
2
2
2
2
3
3
4
5
5
5
6
6
5
4
3
2

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
98
96
96
96
96
96
94
94
96
94
91
87
84
82
85
90
93
94
96

Pressure (mb)

991
992
992
992
992
992
992
992
992
992
992
992
992
992
993
993
993
993
993
993
993
993
994
994

Ozone (du)

391
390
392
395
400
404
415
431
447
458
463
450
440
442
439
436
433
431
430
431
435
446
449
447

Wednesday 4

Waning Gibbous 88%

20:34

08:54

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
19 Bad

Sun - Rise: 07:39, Set: 17:07, Transit: 12:23. Moon - Rise: 20:34, Set: 08:54. Civil Dark: 17:42 - 07:04. Nautical Dark: 18:22 - 06:24. Astro Dark: 19:01 - 05:46

Total Clouds (% Sky Obscured)

80
72
69
59
75
68
80
88
94
100
81
81
84
87
90
95
87
79
72
60
52
45
54
66

Low Clouds (% Sky Obscured)

69
69
69
59
69
68
78
88
90
97
79
75
71
67
71
71
61
55
50
46
42
38
50
61

Medium Clouds (% Sky Obscured)

45
29
14
2
45
3
20
22
66
100
81
81
84
87
88
80
73
71
71
60
52
45
54
66

High Clouds (% Sky Obscured)

30
30
19
9
7
4
1
1
25
25
45
15
15
5
5
5
15
20
30
31
36
24
10
7

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 (%)

1
2
2
1
2
2
1
1
1
1
3
5
2
4
6
5
10
10
1
7
8
3
8
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
94
96
96
96
96
94
94
96
96
96
94
93
90
87
87
87
88
90
90
89
89

Pressure (mb)

994
994
994
993
993
993
993
992
992
992
991
995
995
995
995
994
994
994
993
993
993
993
993
993

Ozone (du)

445
444
439
441
440
437
436
434
433
436
434
434
434
433
429
424
419
416
413
410
409
408
407
407

Thursday 5

Waning Gibbous 81%

21:50

09:05

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
19 Bad

Sun - Rise: 07:38, Set: 17:09, Transit: 12:23. Moon - Rise: 21:50, Set: 09:05. Civil Dark: 17:44 - 07:02. Nautical Dark: 18:23 - 06:23. Astro Dark: 19:02 - 05:44

Total Clouds (% Sky Obscured)

75
77
77
77
88
95
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
77
77
77
88
95
96
98
99
100
100
100
100
96
90
84
87
90
94
94
96
97
95
93

Medium Clouds (% Sky Obscured)

75
77
77
77
80
70
65
52
40
24
35
34
36
33
30
26
27
28
29
36
44
51
58
66

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
4
13
39
60
78
55
29
0
28
60
90
70
48
27
43
59

ISS Passover

Visibility (miles)

9
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow

Precipitation Probability (%)

7
30
41
49
45
39
34
34
33
33
33
36
40
42
41
41
51
52
47
50
51
48
65
79

Precipitation Amount (mm)

0
0
0.1
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.1
0.2
0.1
0
0.3
0.5

Wind Speed/Direction (mph)

12
12
12
12
12
12
12
13
12
12
12
12
12
12
12
12
12
12
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

3
3
2
2
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

2
2
2
1
2
1
1
1
1
1
1
0
1
1
1
2
2
2
2
2
2
2
2
1

Relative Humidity (%)

91
91
94
94
98
96
98
96
96
98
98
96
98
98
98
98
98
98
98
100
98
96
96
96

Pressure (mb)

993
993
993
993
992
992
992
992
992
992
992
992
992
993
993
993
993
993
993
993
993
993
994
994

Ozone (du)

407
407
409
411
413
415
416
418
419
420
422
422
422
422
424
427
429
432
436
439
440
441
441
442

Friday 6

Waning Gibbous 72%

23:05

09:17

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: 17:11, Transit: 12:23. Moon - Rise: 23:05, Set: 09:17. Civil Dark: 17:46 - 07:01. Nautical Dark: 18:25 - 06:21. Astro Dark: 19:04 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
94
97
100
100
100
100
100
100
100
100
100
100
98
97
96

Medium Clouds (% Sky Obscured)

75
85
93
98
89
80
72
65
53
42
39
38
34
49
63
74

High Clouds (% Sky Obscured)

75
75
79
83
59
30
0
16
32
48
31
16
6
19
33
45

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

86
79
75
70
64
59
55
49
44
41
42
41
37
39
35
19

Precipitation Amount (mm)

0.7
0.5
0.5
0.4
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
10
10
8
7
6
6
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

2
2
1
1
2
2
2
2
1
1
1
1
2
2
2
3

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

443
444
443
442
441
441
440
440
440
440
440
440
440
440
439
438

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 31/01/26 20:13:32. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+0.00