Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 25

Waxing Crescent 57%

10:29

01:19

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
20 Bad
21 Bad

Sun - Rise: 07:56, Set: 16:49, Transit: 12:22. Moon - Rise: 10:29, Set: 01:19. Civil Dark: 17:26 - 07:19. Nautical Dark: 18:07 - 06:38. Astro Dark: 18:46 - 05:59

Total Clouds (% Sky Obscured)

92
89
84
83
94
90
94
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
65
74
80
94
89
93
82
82
68
89
85
76
71
87
70
80
100
100
78
54
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
67
100
93
100
100
100
83
89
93
96
56
84
78
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
85
55
100
65
100
100
100
100
100
100
100
100
100
100
100
100
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
7
3
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
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
3
3
1
2
1
0
1
3
0
0
0
2
15
89
95
95
94
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
1.9
1.2
0.5
0.7
0.4
0.7

Wind Speed/Direction (mph)

6
6
5
6
7
7
5
4
3
6
6
8
9
10
12
14
15
14
12
14
16
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
93
88
83
83
85
86
86
89
88
86
85
85
85
82
84
88
93
90
93
94
95

Pressure (mb)

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

Ozone (du)

462
463
463
459
456
453
447
439
437
437
432
424
412
401
392
386
378
375
372
370
368
368
365
363

Monday 26

First Quarter 68%

10:52

02:48

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
19 OK
20 OK
21 Bad

Sun - Rise: 07:54, Set: 16:51, Transit: 12:23. Moon - Rise: 10:52, Set: 02:48. Civil Dark: 17:28 - 07:18. Nautical Dark: 18:08 - 06:37. Astro Dark: 18:48 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
93
72
85
76
63
57
42
33
18
17
13
66

Low Clouds (% Sky Obscured)

100
100
100
95
100
93
89
87
100
72
62
58
58
72
85
62
55
49
42
33
18
17
13
22

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
100
100
48
4
8
70
53
49
22
14
18
1
1
35

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
5
5
0
5
15
0
0
0
0
0
0
4

ISS Passover

Visibility (miles)

2
2
5
3
5
9
7
4
4
3
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
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
79
95
95
95
35
31
56
52
41
62
48
17
10
6
1
3
3
3

Precipitation Amount (mm)

0.9
1
1.1
1.4
2.2
1.4
0
1.6
1.3
0.9
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
22
23
25
24
22
20
19
20
18
13
13
15
14
13
16
14
15
13
12
11
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
91
93
95
95
95
95
95
90
87
82
80
77
74
77
75
74
75
79
79
76
75

Pressure (mb)

990
988
986
984
983
981
980
978
977
976
977
978
979
979
979
979
980
981
982
983
984
985
986
987

Ozone (du)

363
361
361
357
359
358
360
359
359
359
363
367
370
374
379
385
392
407
427
444
455
459
458
458

Tuesday 27

Waxing Gibbous 79%

11:27

04:16

22 OK
23 Bad
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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

Sun - Rise: 07:53, Set: 16:53, Transit: 12:23. Moon - Rise: 11:27, Set: 04:16. Civil Dark: 17:29 - 07:16. Nautical Dark: 18:10 - 06:36. Astro Dark: 18:49 - 05:57

Total Clouds (% Sky Obscured)

35
95
36
25
50
100
85
48
35
61
61
60
65
77
67
62
62
60
65
67
65
70
75
75

Low Clouds (% Sky Obscured)

30
30
36
25
34
44
43
27
24
32
36
37
39
43
67
62
62
60
55
38
55
70
75
75

Medium Clouds (% Sky Obscured)

8
52
3
5
31
100
28
8
13
13
25
23
25
27
35
30
35
40
45
45
35
35
35
35

High Clouds (% Sky Obscured)

0
57
1
2
0
0
2
10
1
61
61
3
0
2
48
52
57
60
65
60
55
60
60
65

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

Precipitation Probability (%)

0
0
0
3
16
25
26
8
4
2
1
1
2
36
26
41
55
44
8
4
31
47
60
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0.2
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
82
80
82
86
88
91
89
91
91
91
88
85
77
72
75
78
82
87
90
90
90
88

Pressure (mb)

987
988
988
989
989
990
990
990
990
990
991
991
991
992
991
991
990
991
991
991
991
992
991
992

Ozone (du)

463
469
474
475
477
477
476
473
474
474
474
473
472
472
468
466
464
466
465
466
472
475
475
473

Wednesday 28

Waxing Gibbous 88%

12:18

05:37

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
20 Bad
21 Bad

Sun - Rise: 07:51, Set: 16:55, Transit: 12:23. Moon - Rise: 12:18, Set: 05:37. Civil Dark: 17:31 - 07:15. Nautical Dark: 18:11 - 06:35. Astro Dark: 18:51 - 05:56

Total Clouds (% Sky Obscured)

80
76
61
51
47
48
85
94
94
92
92
91
88
88
92
96
100
93
85
77
70
68
69
77

Low Clouds (% Sky Obscured)

80
76
61
51
47
48
55
51
56
59
61
55
48
38
48
62
75
66
56
47
48
51
54
59

Medium Clouds (% Sky Obscured)

40
40
40
25
11
22
32
45
39
33
28
53
38
41
44
52
89
72
70
62
63
59
56
56

High Clouds (% Sky Obscured)

65
71
57
30
1
0
9
15
5
0
5
5
1
7
30
35
40
2
45
45
30
2
24
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

86
93
95
95
95
82
58
8
8
6
3
6
8
7
54
78
95
84
66
41
34
28
3
8

Precipitation Amount (mm)

0.6
0.6
0.7
0.8
0.8
0.5
0.3
0
0
0
0
0
0
0
0.2
0.4
0.6
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
88
88
88
86
88
88
89
93
94
93
90
85
84
81
81
78
78
78
81
79
80

Pressure (mb)

991
991
991
991
992
991
991
991
991
991
991
991
991
991
991
990
989
989
989
988
988
988
988
988

Ozone (du)

474
472
468
466
460
460
457
440
411
387
365
363
362
358
351
352
357
360
359
361
363
365
367
368

Thursday 29

Waxing Gibbous 85%

13:29

06:40

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
20 Bad
21 Bad

Sun - Rise: 07:50, Set: 16:57, Transit: 12:23. Moon - Rise: 13:29, Set: 06:40. Civil Dark: 17:33 - 07:14. Nautical Dark: 18:13 - 06:33. Astro Dark: 18:52 - 05:54

Total Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
100
100
100
87
72
52
62
81
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
63
59
55
51
59
67
77
72
68
64
56
48
41
42
43
44
46
47
46
42
41
37
54

Medium Clouds (% Sky Obscured)

87
100
100
100
100
100
100
100
82
61
41
38
42
2
8
12
15
11
6
3
8
9
11
41

High Clouds (% Sky Obscured)

74
64
65
98
64
67
72
67
67
80
80
54
28
3
22
37
25
14
23
27
45
72
87
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
6
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 (%)

8
5
30
33
36
45
51
49
40
32
22
27
25
12
17
18
13
19
17
8
17
18
6
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
81
81
79
81
85
91
93
91
93
93
93
93
93
93
93
90
91
93
91
93
93
94

Pressure (mb)

988
988
988
988
988
987
987
987
987
987
988
988
988
988
988
988
988
987
988
988
988
988
988
989

Ozone (du)

370
372
374
377
377
379
379
379
381
386
393
399
400
404
407
405
402
400
403
406
409
411
413
414

Friday 30

Waxing Gibbous 95%

14:54

07:25

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
20 Bad
21 Bad

Sun - Rise: 07:48, Set: 16:58, Transit: 12:23. Moon - Rise: 14:54, Set: 07:25. Civil Dark: 17:34 - 07:12. Nautical Dark: 18:15 - 06:32. Astro Dark: 18:54 - 05:53

Total Clouds (% Sky Obscured)

100
100
97
95
91
91
92
91
94
96
98
99
99
100
100
100
97
96
78
55
62
75
95
96

Low Clouds (% Sky Obscured)

63
72
76
82
88
87
84
80
79
78
76
81
84
88
80
72
64
50
29
15
39
59
67
61

Medium Clouds (% Sky Obscured)

73
100
86
71
56
40
23
4
16
27
41
54
62
74
66
58
53
43
33
23
44
67
91
86

High Clouds (% Sky Obscured)

44
25
25
20
17
21
25
31
39
48
56
39
20
3
2
1
1
2
6
8
31
53
75
71

ISS Passover

Visibility (miles)

8
7
6
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
5
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

37
37
39
47
54
44
32
20
22
22
17
24
29
31
33
33
33
51
61
63
64
77
95
90

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.4
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
96
94
96
94
94
94
93
93
91
90
91
90
91
91
93
94
93
93

Pressure (mb)

989
989
990
990
991
991
991
992
992
993
994
995
995
995
996
996
997
997
997
998
998
998
998
999

Ozone (du)

415
415
416
418
420
422
424
427
429
429
430
430
430
430
430
430
430
430
430
430
431
432
432
433

Saturday 31

Waxing Gibbous 99%

16:24

07:55

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

Sun - Rise: 07:47, Set: 17:00, Transit: 12:23. Moon - Rise: 16:24, Set: 07:55. Civil Dark: 17:36 - 07:11. Nautical Dark: 18:16 - 06:31. Astro Dark: 18:55 - 05:52

Total Clouds (% Sky Obscured)

97
100
100
100
100
99
98
97
83
70
57
73
87
100
99
99
99
95
91
89

Low Clouds (% Sky Obscured)

56
54
58
62
65
75
84
93
80
70
54
63
71
75
69
63
58
58
56
58

Medium Clouds (% Sky Obscured)

83
80
87
93
100
75
50
25
20
14
11
22
31
39
44
45
55
56
42
31

High Clouds (% Sky Obscured)

68
68
45
23
0
0
1
0
0
0
0
3
6
10
35
61
85
57
28
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
5
7
8
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

Precipitation Type

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

Precipitation Probability (%)

68
36
45
52
56
60
65
72
69
60
50
44
34
26
29
26
21
41
55
63

Precipitation Amount (mm)

0.4
0
0
0
0.3
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0.2
0.3

Wind Speed/Direction (mph)

7
6
7
6
6
6
6
7
7
6
9
11
11
11
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
93
93
94
94
94
96
96
96
96
94
95
95
95
93
93
93
93

Pressure (mb)

999
999
999
999
999
999
999
999
999
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1003

Ozone (du)

441
449
457
463
468
474
462
450
438
434
429
425
420
416
411
408
405
402
398
394

Forecast for Bristol, Bristol, United Kingdom (51.45,-2.59)

Generated: 25/01/26 22:13:35. Forecast: 25/01/26 to 31/01/26. Timezone: UTC+0.00