Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Full Moon 100%

16:20

07:52

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
20 Bad
21 OK
22 OK
23 OK

Sun - Rise: 07:44, Set: 16:57, Transit: 12:20. Moon - Rise: 16:20, Set: 07:52. Civil Dark: 17:33 - 07:08. Nautical Dark: 18:13 - 06:28. Astro Dark: 18:52 - 05:49

Total Clouds (% Sky Obscured)

100
53
100
100
77
96
100
100
100
100
100
98
98
100
94
81
84
70
51
0
13
0
29
37

Low Clouds (% Sky Obscured)

44
45
32
34
30
50
90
92
88
81
82
79
98
74
56
66
53
70
51
0
13
0
29
37

Medium Clouds (% Sky Obscured)

84
51
92
100
100
97
92
89
91
89
67
63
46
83
77
65
70
20
9
0
13
0
0
0

High Clouds (% Sky Obscured)

57
87
100
94
100
100
55
40
0
6
4
37
75
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
9
9
9
6
9
9
4
1
8
1
3
3
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
100
100
0
0
11
36
70
58
53
74
92
70
45
36
11
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0
0
0
0
0.3
0.2
0
0.3
0.7
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
4
5
4
4
3
4
4
6
8
10
11
12
9
8
7
7
6
6
6
5
4

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
7
7
7
8
8
8
8
7
7
6
6
5
4
4
3
2

Feels Like (°C)

3
4
3
3
4
3
3
4
5
5
5
6
6
6
6
5
4
4
3
3
1
-1
-1
-1

Dew Point (°C)

4
4
5
5
5
5
5
5
6
6
6
7
7
7
8
7
7
6
5
5
4
3
3
2

Relative Humidity (%)

93
94
93
96
94
98
97
97
92
92
93
94
95
96
98
96
96
98
98
96
98
98
98
96

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1001
1001
1000
1000
1000
1000
1000
1000
1001
1000
1001
1000

Ozone (du)

422
418
414
411
404
400
400
399
398
399
400
400
400
397
397
396
397
398
397
401
400
395
392
388

Monday 2

Waning Gibbous 100%

17:48

08:13

00 Bad
01 Bad
02 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:42, Set: 16:58, Transit: 12:20. Moon - Rise: 17:48, Set: 08:13. Civil Dark: 17:34 - 07:06. Nautical Dark: 18:14 - 06:26. Astro Dark: 18:53 - 05:47

Total Clouds (% Sky Obscured)

41
31
26
51
73
81
76
100
100
87
95
96
100
100
90
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
28
18
42
52
58
60
50
42
66
74
67
86
78
77
72
90
79
92
92
100
92
93
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
10
17
60
50
24
29
37
39
55
62
80
96
99
100
100
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
2
11
9
6
29
96
44
9
9
53
55
55
100
100
100
100
100
100
100
85
100

ISS Passover

Visibility (miles)

7
9
9
9
9
1
9
9
9
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
4
14
23
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

11
20
6
6
15
13
6
12
2
10
1
3
3
5
12
4
9
29
47
55
63
63
66
65

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
3
3
5
4
4
5
7
10
13
14
14
14
15
16
17
18
19
20
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
98
98
96
98
98
93
86
82
77
80
80
82
83
85
86
85
86
88
88

Pressure (mb)

1000
999
999
998
998
997
997
997
997
996
996
995
994
993
993
992
992
991
991
991
990
990
990
990

Ozone (du)

387
384
381
378
376
376
375
372
373
373
373
372
372
372
372
372
371
370
371
373
374
377
379
380

Tuesday 3

Waning Gibbous 98%

19:12

08:28

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:41, Set: 17:00, Transit: 12:20. Moon - Rise: 19:12, Set: 08:28. Civil Dark: 17:36 - 07:05. Nautical Dark: 18:16 - 06:25. Astro Dark: 18:55 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

100
100
92
100
98
94
86
90
79
74
77
61
42
33
49
56
69
77
70
78
78
77
80
88

Medium Clouds (% Sky Obscured)

93
100
100
100
99
99
100
100
100
100
100
100
92
100
100
100
100
100
100
100
99
92
100
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
94
93
71
87
95
32
45
94
86

ISS Passover

Visibility (miles)

9
9
9
9
9
7
7
9
7
6
6
7
9
9
9
6
3
1
0
0
0
2
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

53
50
40
38
56
78
68
67
78
82
75
63
56
57
61
65
69
81
90
81
56
24
11
13

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.3
0.3
0.5
0.5
0.4
0.3
0
0
0.3
0.4
0.5
0.8
0.9
0.7
0.3
0
0
0

Wind Speed/Direction (mph)

18
17
16
15
14
13
11
10
9
9
10
10
10
10
9
8
7
7
7
6
5
5
6
6

Chance of Frost

Temperature (°C)

6
6
7
7
7
7
7
7
7
7
7
7
7
8
8
8
7
7
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

5
5
5
6
6
6
6
7
6
6
6
7
7
7
7
7
7
6
6
6
5
5
6
5

Relative Humidity (%)

91
90
90
91
93
93
94
96
96
94
96
96
96
96
96
98
98
96
100
98
98
96
98
98

Pressure (mb)

989
989
989
989
989
989
989
990
991
991
992
992
992
992
992
992
993
993
993
994
994
994
994
994

Ozone (du)

380
380
380
379
379
380
380
381
381
382
382
383
381
381
381
379
377
376
377
380
385
387
389
393

Wednesday 4

Waning Gibbous 94%

20:31

08:41

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:39, Set: 17:02, Transit: 12:21. Moon - Rise: 20:31, Set: 08:41. Civil Dark: 17:38 - 07:03. Nautical Dark: 18:18 - 06:24. Astro Dark: 18:57 - 05:45

Total Clouds (% Sky Obscured)

95
94
100
90
91
95
97
98
100
100
99
98
89
93
84
82
79
78
74
63
58
50
47
50

Low Clouds (% Sky Obscured)

81
87
81
84
86
95
97
98
98
84
67
52
56
59
60
72
79
78
74
63
58
50
47
50

Medium Clouds (% Sky Obscured)

83
76
100
57
56
65
77
90
100
99
96
87
54
53
51
59
51
48
48
43
43
50
47
50

High Clouds (% Sky Obscured)

15
23
19
15
10
15
43
73
100
87
91
86
89
90
84
82
79
78
74
63
58
50
47
50

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
2
0
0
1
1
1
3
2
3
4
4
10
29
29
35
44
54
75
91
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1
0.8
0.7
0.8

Wind Speed/Direction (mph)

5
6
7
6
7
7
8
8
8
9
11
12
13
13
13
13
13
13
13
13
13
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
6
6
6
6
6
5
5
5
5
6
5
5
5
5
5
5

Relative Humidity (%)

96
96
96
98
96
96
94
94
96
96
94
91
85
82
81
84
87
93
94
94
94
93
93
93

Pressure (mb)

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

Ozone (du)

401
412
427
441
452
453
449
443
444
444
442
442
443
445
447
445
442
445
451
457
453
446
444
444

Thursday 5

Waning Gibbous 88%

21:48

08:52

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:37, Set: 17:04, Transit: 12:21. Moon - Rise: 21:48, Set: 08:52. Civil Dark: 17:39 - 07:02. Nautical Dark: 18:19 - 06:22. Astro Dark: 18:58 - 05:43

Total Clouds (% Sky Obscured)

59
69
89
88
96
95
94
94
92
95
97
100
100
98
96
97
96
96
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

59
62
81
76
92
84
86
83
82
75
82
75
73
69
73
77
81
78
84
87
90
89
89
88

Medium Clouds (% Sky Obscured)

57
51
50
46
37
31
24
45
70
65
45
45
50
65
81
65
64
67
72
67
66
64
57
55

High Clouds (% Sky Obscured)

52
26
0
1
2
4
20
35
44
64
72
90
99
86
70
73
75
72
65
68
77
83
82
82

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

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
None
None
None

Precipitation Probability (%)

95
88
84
72
55
12
12
9
2
3
2
0
2
4
3
4
5
5
10
13
16
27
37
45

Precipitation Amount (mm)

0.6
0.5
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
94
94
96
93
91
93
91
87
84
85
84
84
84
84
86
88
85
83
85
89
89

Pressure (mb)

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

Ozone (du)

444
442
441
438
436
429
431
429
418
412
412
411
409
411
413
411
412
413
413
412
410
407
401
399

Friday 6

Waning Gibbous 81%

23:02

09:02

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:36, Set: 17:06, Transit: 12:21. Moon - Rise: 23:02, Set: 09:02. Civil Dark: 17:41 - 07:00. Nautical Dark: 18:21 - 06:21. Astro Dark: 19:00 - 05:42

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)

92
96
97
100
100
100
100
100
100
100
100
97
97
92
86
86
93
96
98
99
100
100
99
99

Medium Clouds (% Sky Obscured)

43
34
34
30
25
11
7
4
5
5
10
20
26
27
33
52
76
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

71
64
54
47
42
43
55
72
88
96
98
100
100
100
100
100
100
100
76
49
28
52
75
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

73
65
51
48
43
35
31
24
10
18
23
26
51
61
74
80
85
87
75
59
30
24
16
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
14
14
14
13
13
13
13
13
12
11
10
9
8
7
7
7
6
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
93
91
88
83
82
80
79
77
75
75
75
75
75
79
85
89
93
93
94
96
96

Pressure (mb)

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

Ozone (du)

400
401
402
403
405
406
407
409
412
414
416
418
420
420
421
422
420
419
417
417
417
417
419
420

Saturday 7

Waning Gibbous 72%

No Rise

09:14

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:34, Set: 17:08, Transit: 12:21. Moon - Rise: No Rise, Set: 09:14. Civil Dark: 17:43 - 06:59. Nautical Dark: 18:22 - 06:19. Astro Dark: 19:01 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
97
95
93
91
89
93
96
99
97
95
93
96
98
100
99
99
98

Low Clouds (% Sky Obscured)

99
100
100
98
99
98
96
93
91
88
85
83
79
76
72
77
82
87
90
92
94
95
95
96

Medium Clouds (% Sky Obscured)

83
68
59
70
85
99
95
92
90
66
41
19
21
25
27
41
57
74
73
69
67
66
64
59

High Clouds (% Sky Obscured)

100
100
100
100
100
99
75
54
37
31
24
17
40
66
97
68
41
34
55
76
94
74
54
24

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 (%)

4
3
2
5
5
2
6
10
11
16
17
18
30
38
46
37
34
29
27
22
9
25
38
45

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)

3
3
3
3
4
4
5
5
5
6
6
8
10
10
11
11
9
8
7
7
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
93
94
94
96
96
98
96
93
88
84
84
82
82
85
90
91
91
91
91
91
91

Pressure (mb)

995
995
995
996
996
996
997
997
998
998
999
999
999
999
999
998
999
999
999
999
999
1000
1000
999

Ozone (du)

421
420
420
419
422
424
426
426
425
425
426
426
427
428
428
429
430
432
434
435
436
437
436
435

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 01/02/26 11:35:31. Forecast: 01/02/26 to 07/02/26. Timezone: UTC+0.00