Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:25

18:37

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:04, Set: 16:44, Transit: 12:24. Moon - Rise: 09:25, Set: 18:37. Civil Dark: 17:21 - 07:27. Nautical Dark: 18:01 - 06:46. Astro Dark: 18:40 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
91
71
72
49
51
60
100
72
88
97
100
100
100
100
100
98
100
100
98
97
95

Low Clouds (% Sky Obscured)

84
49
31
61
55
62
49
51
58
64
68
79
71
57
100
100
99
100
88
87
85
91
93
81

Medium Clouds (% Sky Obscured)

95
96
89
85
65
50
0
0
23
100
25
27
77
99
100
100
57
62
57
86
73
79
63
89

High Clouds (% Sky Obscured)

84
100
40
45
11
0
0
0
23
0
0
0
3
2
33
38
61
90
88
100
100
88
74
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
4
9
5
2
3
6
8
8
7
9
5

Fog (%)

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

Precipitation Probability (%)

95
80
6
19
22
1
0
0
0
0
15
18
43
72
95
95
95
71
51
61
84
63
64
73

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
2.3
1.3
0.2
0
0.3
0.6
0
0
0.4

Wind Speed/Direction (mph)

14
6
5
3
4
7
8
7
6
6
7
8
12
15
19
20
18
21
19
20
23
24
23
22

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
4
4
4
4
4
5
5
5
5
6
8
9
10
10
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

998
998
998
998
998
998
997
997
996
995
994
993
992
990
989
987
985
983
982
982
981
981
981
981

Ozone (du)

341
344
344
346
356
363
375
374
372
372
372
372
371
369
368
366
368
366
366
363
359
357
355
352

Wednesday 21

Waxing Crescent 15%

09:37

19:56

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:03, Set: 16:46, Transit: 12:24. Moon - Rise: 09:37, Set: 19:56. Civil Dark: 17:23 - 07:26. Nautical Dark: 18:02 - 06:45. Astro Dark: 18:42 - 06:05

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

83
100
88
80
91
74
82
95
97
91
100
88
90
96
93
81
98
84
93
97
94
77
79
83

Medium Clouds (% Sky Obscured)

97
97
92
62
92
67
51
61
73
100
100
40
93
98
100
100
100
49
49
59
58
50
48
49

High Clouds (% Sky Obscured)

12
98
54
96
100
95
16
52
1
0
0
0
3
86
56
14
10
0
0
0
58
84
75
55

ISS Passover

Visibility (miles)

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

Fog (%)

0
28
0
0
0
0
7
0
0
95
2
66
12
29
0
0
2
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

47
46
43
38
40
31
40
36
34
62
68
43
40
72
94
92
87
59
65
67
72
61
45
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.5
0
0
0.5
1.1
0.9
0.8
0.2
0.3
0.3
0.4
0.2
0
0.2

Wind Speed/Direction (mph)

21
14
11
10
10
12
12
13
13
12
11
9
9
9
11
9
7
5
6
12
12
11
14
13

Chance of Frost

Temperature (°C)

9
9
9
9
8
8
8
8
8
8
8
8
7
8
8
8
8
8
8
8
8
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
90
91
93
93
93
91
90
91
95
95
94
93
94
94
94
94
88
93
90
88
90
90

Pressure (mb)

982
982
982
983
983
984
984
984
985
985
985
985
985
985
985
986
986
986
985
986
986
986
986
987

Ozone (du)

351
357
362
366
370
369
372
373
374
377
377
379
381
379
378
377
378
381
381
379
382
383
385
382

Thursday 22

Waxing Crescent 24%

09:49

21:15

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:02, Set: 16:47, Transit: 12:25. Moon - Rise: 09:49, Set: 21:15. Civil Dark: 17:24 - 07:25. Nautical Dark: 18:04 - 06:44. Astro Dark: 18:43 - 06:05

Total Clouds (% Sky Obscured)

87
97
100
93
95
70
87
99
100
100
100
98
100
99
98
99
96
89
87
67
79
82
86
89

Low Clouds (% Sky Obscured)

81
95
100
84
94
60
75
75
63
72
100
84
78
78
91
81
90
70
69
63
59
63
71
78

Medium Clouds (% Sky Obscured)

43
87
91
38
42
39
58
89
98
99
98
93
83
97
94
99
77
41
28
23
17
46
66
64

High Clouds (% Sky Obscured)

54
35
25
14
15
21
13
85
74
100
1
53
97
73
25
25
2
0
0
0
0
1
19
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
8
6
3
2
8
7
9
9
7
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
49
52
51
26
20
26
54
67
81
94
87
73
68
54
37
39
44
29
26
29
26
30
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
6
6
7
9
11
13
15
16
19
19
18
18
16
16
18
20
21
23
23
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
91
91
93
93
91
90
90
91
91
94
94
94
93
82
82
82
81
77
79
81
84
82

Pressure (mb)

987
987
986
986
986
985
985
985
984
984
983
983
982
982
982
982
982
982
982
981
981
981
981
981

Ozone (du)

376
371
369
369
371
370
371
372
375
377
379
383
386
389
392
396
400
406
411
413
412
414
415
416

Friday 23

Waxing Crescent 34%

10:01

22:35

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:01, Set: 16:49, Transit: 12:25. Moon - Rise: 10:01, Set: 22:35. Civil Dark: 17:26 - 07:24. Nautical Dark: 18:05 - 06:43. Astro Dark: 18:45 - 06:04

Total Clouds (% Sky Obscured)

92
94
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
81
94
85
78
75
71
68

Low Clouds (% Sky Obscured)

82
86
90
89
87
86
89
93
96
98
99
100
94
87
81
77
74
66
68
68
68
62
58
54

Medium Clouds (% Sky Obscured)

56
52
58
69
82
74
79
73
73
63
100
100
100
94
81
71
53
41
27
67
60
55
50
45

High Clouds (% Sky Obscured)

0
1
12
14
40
41
51
69
75
60
67
100
92
56
53
42
33
22
26
27
30
30
33
35

ISS Passover

Visibility (miles)

9
7
9
9
7
9
6
7
8
9
7
1
9
9
9
9
9
9
9
9
9
9
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

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
None
None
None
None
None
None

Precipitation Probability (%)

53
43
38
50
49
47
48
48
54
82
95
95
66
53
37
31
28
26
28
41
47
49
48
42

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0.2
0.5
0.9
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

24
24
24
24
24
23
21
21
20
20
19
19
18
18
17
18
19
18
19
20
21
20
19
20

Chance of Frost

Temperature (°C)

7
6
7
7
6
6
6
7
7
6
6
6
6
7
7
7
6
7
7
7
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

981
982
982
982
983
983
984
984
985
985
986
986
987
987
988
989
990
990
991
991
991
991
991
992

Ozone (du)

416
415
412
409
405
404
404
403
404
404
402
403
405
409
412
415
418
421
419
419
419
416
416
418

Saturday 24

Waxing Crescent 45%

10:14

23:56

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:59, Set: 16:51, Transit: 12:25. Moon - Rise: 10:14, Set: 23:56. Civil Dark: 17:27 - 07:23. Nautical Dark: 18:07 - 06:42. Astro Dark: 18:46 - 06:03

Total Clouds (% Sky Obscured)

79
90
100
100
100
100
99
99
99
99
100
100
100
100
100
98
97
95
97
98
100
99
99
98

Low Clouds (% Sky Obscured)

55
56
57
61
65
69
71
72
74
72
71
69
94
94
94
93
92
91
90
90
90
89
89
89

Medium Clouds (% Sky Obscured)

54
42
62
60
60
61
59
57
51
52
54
50
0
0
0
9
12
18
22
31
33
31
30
28

High Clouds (% Sky Obscured)

3
1
1
29
60
91
75
61
41
50
72
98
50
26
13
12
13
14
12
12
18
15
11
6

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 (%)

36
26
6
8
10
9
13
16
17
26
25
22
30
30
29
33
37
41
40
40
42
43
45
50

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)

18
19
17
16
16
16
15
16
16
16
16
16
16
14
13
13
13
14
15
15
15
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-0
-1
-1
-0
-0
-1
-1
-1
-0
-1
0
-0
0
-0
-0
-1
-0
-1
-0
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
88
90
88
91
90
86
88
86
88
86
86
86
86
85
86
85
86
86
86
86
88

Pressure (mb)

992
992
993
993
993
993
993
994
994
994
995
995
995
993
994
995
995
995
996
996
997
997
998
998

Ozone (du)

419
420
421
422
423
423
424
425
425
426
427
428
429
430
432
433
434
435
436
436
436
437
436
436

Sunday 25

Waxing Crescent 42%

10:32

01:22

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:58, Set: 16:52, Transit: 12:25. Moon - Rise: 10:32, Set: 01:22. Civil Dark: 17:29 - 07:21. Nautical Dark: 18:08 - 06:41. Astro Dark: 18:47 - 06:02

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

92
96
100
98
97
95
91
87
83
83
85
85
88
90
94
90
86
81
81
82
83
84
85
85

Medium Clouds (% Sky Obscured)

29
41
50
44
38
33
24
15
6
15
24
33
28
23
17
28
40
50
56
62
68
67
66
65

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
4
8
12
16
17
25
19
18
18
18
24
25

ISS Passover

Visibility (miles)

8
6
3
0
0
0
0
0
0
0
1
1
2
2
2
3
4
6
8
6
5
3
2
1

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

Precipitation Probability (%)

46
45
48
42
44
47
39
33
31
27
26
30
24
19
26
27
28
32
30
29
32
53
75
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
94
96
96
96
96
96
96
94
96
96
94
93
91
88
88
89
89
91
93
94
96
96

Pressure (mb)

999
1000
1000
1001
1001
1002
1002
1002
1002
1003
1002
1002
1002
1002
1002
1001
1001
1000
999
998
997
996
995
994

Ozone (du)

435
437
439
440
439
438
438
436
433
431
429
426
423
419
416
412
415
417
419
426
432
438
426
414

Monday 26

First Quarter 57%

10:55

02:50

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
10 Bad
11 Bad

Sun - Rise: 07:57, Set: 16:54, Transit: 12:25. Moon - Rise: 10:55, Set: 02:50. Civil Dark: 17:31 - 07:20. Nautical Dark: 18:10 - 06:40. Astro Dark: 18:49 - 06:01

Total Clouds (% Sky Obscured)

93
92
91
93
92
95
96
98
99
99
99
99
98
97
97
94
92
89

Low Clouds (% Sky Obscured)

83
80
79
81
84
86
90
93
96
96
94
93
92
92
91
86
80
75

Medium Clouds (% Sky Obscured)

65
65
60
63
66
69
69
73
78
72
67
62
64
66
69
55
38
27

High Clouds (% Sky Obscured)

20
20
15
8
6
3
2
2
2
2
2
4
5
11
16
17
10
1

ISS Passover

Visibility (miles)

0
2
4
5
4
3
2
4
6
9
9
9
9
9
9
9
6
3

Fog (%)

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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
77
74
70
62
65
55
20
28
30
30
34
39
43

Precipitation Amount (mm)

1.1
1.6
2.4
1.9
1.2
0.5
0.4
0.3
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
9
3
9
9
12
14
15
15
16
16
14
13
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
91
93
94
96
89
85
80
82
85
89
88
86
85
88
93

Pressure (mb)

992
992
991
991
991
991
991
991
991
991
991
990
990
990
990
990
990
990

Ozone (du)

402
403
404
405
414
423
432
431
430
430
426
422
418
419
420
422
424
426

Forecast for Barry, Vale of Glamorgan, United Kingdom (51.40,-3.28)

Generated: 20/01/26 18:03:12. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00