Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

14:50

07:22

00 Bad
01 Good
02 Good
03 OK
04 Good
05 Good
06 Good
07 Good
08 Bad
09 Good
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: 07:45, Set: 16:55, Transit: 12:20. Moon - Rise: 14:50, Set: 07:22. Civil Dark: 17:31 - 07:09. Nautical Dark: 18:11 - 06:29. Astro Dark: 18:50 - 05:50

Total Clouds (% Sky Obscured)

65
0
1
16
1
0
1
2
60
0
61
69
73
94
100
84
96
100
90
57
48
57
79
99

Low Clouds (% Sky Obscured)

54
34
22
16
22
26
29
27
33
41
56
69
62
60
52
42
53
50
47
45
48
54
58
52

Medium Clouds (% Sky Obscured)

27
25
25
22
1
0
29
80
84
98
61
59
73
83
84
77
79
82
79
38
1
4
13
82

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
76
72
61
69
73
75
95
61
0
0
0
0
0
0
14
96

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0
1
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
35
30
27
8
9
0
0
2
0
1
0

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
93
91
91
91
90
91
92
88
88
87
85
84
84
87
88
93
96
96
96
96
98
98

Pressure (mb)

987
988
989
990
991
991
992
993
994
995
996
997
997
997
998
998
999
1000
1001
1001
1001
1002
1002
1002

Ozone (du)

452
453
454
453
454
455
452
449
450
455
457
454
451
447
446
441
451
475
480
471
479
468
430
414

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 Bad
22 Bad
23 Bad

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
92
99
95
100
100
96
96
95
95
91
93
85
89
100
94
93
91
89
83
84
75
77
72

Low Clouds (% Sky Obscured)

56
64
59
51
48
46
49
51
60
62
80
88
81
88
100
85
82
81
80
71
72
75
77
72

Medium Clouds (% Sky Obscured)

100
70
55
69
89
93
92
93
92
93
35
39
74
75
50
51
48
39
42
26
27
0
0
2

High Clouds (% Sky Obscured)

59
71
99
91
100
100
75
75
70
70
7
3
3
24
0
0
0
1
0
0
0
0
0
0

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
6
2
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
2
5
12
21
25
22
31
29
34
31
41
33
24
17
8
17
20
16
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
94
96
94
94
93
94
94
98
96
94
94
94
96
94
96
94
94
96

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1002
1002
1002
1003
1003
1002
1002
1002
1002
1002

Ozone (du)

411
403
398
396
392
391
388
387
387
386
386
388
388
387
384
385
385
382
380
380
381
382
382
380

Monday 2

Waning Gibbous 100%

17:48

08:13

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: 07:42, 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)

100
100
100
100
100
100
95
95
99
93
93
99
99
100
100
100
98
98
96
100
100
100
100
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
95
95
99
93
92
82
84
97
95
69
81
93
87
100
100
100
85
93

Medium Clouds (% Sky Obscured)

2
4
2
2
3
2
2
0
2
3
0
3
3
29
65
100
98
95
89
100
100
100
99
93

High Clouds (% Sky Obscured)

0
0
0
8
3
3
2
5
15
41
35
96
75
93
96
100
60
74
65
100
100
100
85
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
1
9
9
9
9
9
9
9
9
9
9
9
9
6

Fog (%)

0
0
0
2
13
10
0
0
2
10
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
Very Light Rain
Light Rain

Precipitation Probability (%)

2
1
0
0
4
1
0
0
0
0
0
1
1
6
6
14
4
5
6
12
33
42
67
75

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
0.3
0.4

Wind Speed/Direction (mph)

2
2
2
3
4
5
5
6
7
9
11
13
14
15
15
16
17
17
17
18
19
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
91
91
91
91
93
98
98
94
91
90
87
90
90
91
93
91
90
90
88
91
94

Pressure (mb)

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

Ozone (du)

380
377
378
375
374
374
373
372
372
373
372
372
370
369
368
369
368
369
370
369
371
374
374
374

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
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
97
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
88
92
96
95
94
79
70

Medium Clouds (% Sky Obscured)

99
100
100
100
100
98
91
100
100
100
100
100
100
100
100
99
99
98
96
94
92
84
79
70

High Clouds (% Sky Obscured)

55
92
100
100
100
100
100
100
100
100
100
100
100
100
100
72
44
20
14
7
5
5
5
15

ISS Passover

Visibility (miles)

7
2
2
1
0
0
0
0
1
1
0
0
1
1
0
0
0
0
0
2
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
Very Light Rain
Very Light Rain
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
None
None
None
None

Precipitation Probability (%)

72
61
45
34
38
56
62
71
69
82
95
95
95
95
95
95
95
95
89
81
60
51
43
26

Precipitation Amount (mm)

0.4
0.3
0
0
0
0.2
0.2
0.4
0.3
0.3
0.9
1.2
1.2
1.4
1.2
1.3
1.6
1.1
0.6
0.5
0
0
0
0

Wind Speed/Direction (mph)

17
17
17
17
17
16
16
16
15
15
14
14
13
13
12
10
8
5
7
7
6
6
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

991
990
990
990
990
990
990
991
991
991
991
992
992
992
992
992
992
992
993
994
994
995
995
995

Ozone (du)

374
373
374
376
377
378
379
381
382
383
381
380
381
381
383
387
392
399
399
402
408
412
413
414

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)

100
99
98
97
96
95
95
96
100
96
92
85
88
88
87
83
79
76
81
86
91
87
79
73

Low Clouds (% Sky Obscured)

71
70
81
94
94
92
90
91
99
96
92
85
85
77
81
79
76
73
80
85
90
85
79
73

Medium Clouds (% Sky Obscured)

74
80
83
70
33
18
10
10
16
6
2
0
29
34
41
34
37
35
3
3
2
2
2
2

High Clouds (% Sky Obscured)

15
15
20
25
8
1
0
0
0
0
0
0
14
15
30
30
25
3
24
17
11
3
1
1

ISS Passover

Visibility (miles)

9
9
9
2
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 (%)

21
16
2
2
1
0
2
3
3
7
15
22
18
17
10
10
10
7
10
10
7
8
8
3

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
4
6
6
6
6
7
9
9
9
11
9
10
10
10
9
8
8
8
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

995
995
995
995
995
995
995
995
995
995
995
995
995
995
994
994
994
995
995
995
995
995
995
995

Ozone (du)

416
417
418
420
423
427
433
445
460
479
493
504
505
499
492
482
473
465
465
463
461
457
450
446

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 OK
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)

79
83
86
84
81
78
86
93
100
98
96
94
81
67
54
48
44
43
54
64
73
84
93
100

Low Clouds (% Sky Obscured)

78
79
77
77
73
69
80
90
100
98
96
91
79
66
54
48
44
42
51
60
70
82
91
100

Medium Clouds (% Sky Obscured)

4
5
6
19
32
53
69
84
95
95
90
80
75
67
54
48
44
43
54
64
51
36
19
5

High Clouds (% Sky Obscured)

7
12
25
44
63
70
74
69
59
30
20
20
15
10
10
10
10
10
8
3
4
4
2
2

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 (%)

10
6
1
1
1
0
0
1
0
1
1
0
4
8
10
11
8
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
96
96
94
93
94
93
93
89
90
88
85
85
85
85
86
85
85
83
83
82
82

Pressure (mb)

995
995
995
994
994
994
993
994
994
994
994
994
994
994
993
993
993
993
993
993
994
994
994
994

Ozone (du)

442
441
440
440
437
435
433
434
435
436
435
433
431
428
424
421
420
419
418
418
419
419
418
418

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

Low Clouds (% Sky Obscured)

100
100
100
99
99
98
99
99
100
97
94
91
90
88
86
86
86
87
92
96
100
95
89
84

Medium Clouds (% Sky Obscured)

17
27
33
27
19
11
18
20
19
19
24
29
28
33
32
52
76
100
99
97
96
96
96
96

High Clouds (% Sky Obscured)

3
4
4
6
3
1
15
28
40
29
19
8
38
68
100
100
100
100
100
100
100
95
90
80

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
1
2
6
8
3
11
14
15
17
17
16
26
37
49
60
63
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
85
88
89
89
89
89
91
91
86
82
79
76
76
73
75
77
79
82
82
85
86
88

Pressure (mb)

994
994
994
994
994
994
994
994
995
995
995
995
996
996
996
996
996
997
997
998
998
999
999
999

Ozone (du)

417
416
415
413
410
406
402
403
403
404
406
408
411
413
416
419
421
424
426
428
430
432
433
434

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

Generated: 31/01/26 10:23:09. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+0.00