Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:19

18:31

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: 16:37, Transit: 12:18. Moon - Rise: 09:19, Set: 18:31. Civil Dark: 17:15 - 07:21. Nautical Dark: 17:56 - 06:40. Astro Dark: 18:34 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
89
98
76
73
69
79
80
88
97
100
100
100
100
100
100
100
100
100
93

Low Clouds (% Sky Obscured)

81
95
89
72
82
71
67
64
73
69
68
69
77
67
75
97
100
96
100
100
100
100
96
88

Medium Clouds (% Sky Obscured)

100
100
100
100
100
65
92
34
0
1
42
45
42
91
100
100
100
99
100
99
96
48
93
31

High Clouds (% Sky Obscured)

98
100
68
67
70
0
0
0
0
3
0
0
2
9
85
96
78
96
81
94
100
100
100
64

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
60
15
16
4
0
2
9
50
78
85
95
95
95
95
69
35
45
45
20

Precipitation Amount (mm)

3
3.1
4.6
1.4
1.1
0
0
0
0
0
0
0
0.2
0.6
0.4
0.9
2.5
1.8
1.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

20
21
20
19
14
11
10
9
9
10
10
10
11
14
15
16
19
23
23
22
22
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
94
91
94
90
90
93
94
93
93
94
94
89
93
94
94
91
93
93
93
93
93
93

Pressure (mb)

1001
1000
1000
999
999
999
998
998
998
997
996
995
994
993
992
990
988
987
986
986
985
985
985
985

Ozone (du)

334
336
334
338
339
350
358
362
364
357
357
361
365
363
361
364
369
374
371
370
371
371
368
367

Wednesday 21

Waxing Crescent 15%

09:31

19:50

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:58, Set: 16:39, Transit: 12:18. Moon - Rise: 09:31, Set: 19:50. Civil Dark: 17:16 - 07:20. Nautical Dark: 17:57 - 06:39. Astro Dark: 18:36 - 06:00

Total Clouds (% Sky Obscured)

97
97
94
96
94
98
95
98
99
100
97
97
100
100
100
100
100
100
94
100
90
87
91
89

Low Clouds (% Sky Obscured)

85
95
92
87
88
96
78
91
83
92
84
88
93
99
90
100
93
100
87
88
81
74
83
84

Medium Clouds (% Sky Obscured)

58
85
87
91
46
42
52
46
67
56
52
50
54
50
55
86
100
99
82
97
73
78
29
3

High Clouds (% Sky Obscured)

55
50
25
50
50
30
31
53
25
75
0
28
9
20
85
90
99
99
10
10
14
3
0
33

ISS Passover

Visibility (miles)

9
2
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
9
9
6
6
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

81
75
53
24
28
23
22
28
26
33
40
30
29
35
50
68
88
57
53
71
55
38
35
27

Precipitation Amount (mm)

0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.2
0.2
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

20
20
20
21
17
16
15
15
14
14
14
14
13
13
13
14
15
16
13
14
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

985
985
985
985
986
986
986
987
987
987
987
987
987
987
987
987
986
987
987
987
987
987
987
988

Ozone (du)

368
369
366
362
356
356
359
363
363
367
369
371
375
377
379
379
377
380
379
381
378
377
382
388

Thursday 22

Waxing Crescent 23%

09:43

21:09

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: 07:57, Set: 16:40, Transit: 12:18. Moon - Rise: 09:43, Set: 21:09. Civil Dark: 17:18 - 07:19. Nautical Dark: 17:59 - 06:38. Astro Dark: 18:37 - 05:59

Total Clouds (% Sky Obscured)

98
89
94
91
95
93
93
90
85
100
100
100
100
100
100
100
95
89
89
79
75
62
63
73

Low Clouds (% Sky Obscured)

97
80
88
87
91
89
83
56
53
86
83
90
86
82
91
85
56
82
73
54
44
45
59
73

Medium Clouds (% Sky Obscured)

31
12
17
41
58
80
80
85
85
100
100
100
99
99
100
100
94
38
30
28
25
17
10
4

High Clouds (% Sky Obscured)

23
6
10
13
14
13
15
63
21
17
26
6
93
89
94
98
9
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
3
0
3
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
31
12
21
8
3
3
7
30
51
64
95
95
95
95
72
28
33
29
19
14
12
11
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
1
1
1.1
1.1
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
9
9
11
12
12
13
13
13
14
16
16
17
16
16
18
19
20
19
20
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
94
93
91
93
93
91
91
91
91
90
94
96
94
93
85
87
84
84
81
81
81
83

Pressure (mb)

988
988
988
988
987
987
987
987
987
986
986
985
985
984
984
985
985
985
985
985
985
985
985
985

Ozone (du)

389
381
374
370
367
369
367
368
368
373
375
377
379
379
382
385
388
390
393
396
399
403
404
404

Friday 23

Waxing Crescent 34%

09:54

22:28

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 OK

Sun - Rise: 07:55, Set: 16:42, Transit: 12:19. Moon - Rise: 09:54, Set: 22:28. Civil Dark: 17:19 - 07:18. Nautical Dark: N/A - 06:37. Astro Dark: 18:38 - 05:58

Total Clouds (% Sky Obscured)

86
86
85
82
80
78
86
94
100
99
98
97
97
98
98
99
98
100
89
80
71
61
49
41

Low Clouds (% Sky Obscured)

79
79
81
76
73
71
75
80
86
86
87
89
88
80
83
79
67
68
67
71
71
56
48
38

Medium Clouds (% Sky Obscured)

0
3
9
8
11
55
70
87
52
57
51
53
55
52
90
66
78
100
37
12
3
57
45
41

High Clouds (% Sky Obscured)

0
6
7
10
10
15
15
16
22
21
19
26
25
24
27
7
2
14
0
0
5
10
15
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
1
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 (%)

8
14
7
24
24
33
37
12
15
18
21
26
33
32
21
24
26
18
22
20
12
5
4
1

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)

19
19
20
20
20
20
19
18
17
17
16
16
15
15
14
14
15
15
15
16
16
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
82
81
85
85
94
93
90
90
86
86
86
88
90
86
86
85
87
85
84
84
88
86

Pressure (mb)

985
986
986
986
987
987
988
988
989
989
989
990
990
991
992
992
993
993
993
993
994
994
994
994

Ozone (du)

406
407
409
409
409
409
409
409
410
410
409
409
407
406
408
410
410
407
408
409
407
409
411
412

Saturday 24

Waxing Crescent 45%

10:08

23:50

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:54, Set: 16:44, Transit: 12:19. Moon - Rise: 10:08, Set: 23:50. Civil Dark: 17:21 - 07:17. Nautical Dark: 18:00 - 06:36. Astro Dark: 18:40 - 05:57

Total Clouds (% Sky Obscured)

50
58
67
65
66
68
78
89
99
100
98
99
86
87
88
99
100
100
99
97
96
97
99
100

Low Clouds (% Sky Obscured)

44
58
62
63
62
64
66
70
74
77
80
83
86
87
88
99
100
100
96
92
88
92
96
100

Medium Clouds (% Sky Obscured)

30
30
35
28
35
35
25
43
65
65
60
60
5
6
6
24
40
53
64
79
96
81
66
51

High Clouds (% Sky Obscured)

15
15
30
37
39
50
69
51
76
76
72
68
30
26
9
8
6
4
4
4
6
14
37
45

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 (%)

0
0
0
2
2
2
3
3
2
4
4
2
30
34
39
35
31
26
30
33
34
29
26
26

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)

14
13
13
14
14
14
14
13
13
12
12
12
12
12
12
12
12
12
13
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
88
89
89
85
83
83
85
88
88
91
91
91
91
94
91
88
85
85
83
80
85
86

Pressure (mb)

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

Ozone (du)

413
413
416
418
418
418
417
422
424
422
425
427
429
431
432
434
433
433
432
431
431
430
430
430

Sunday 25

Waxing Crescent 42%

10:25

01:16

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: 07:53, Set: 16:46, Transit: 12:19. Moon - Rise: 10:25, Set: 01:16. Civil Dark: 17:23 - 07:16. Nautical Dark: 18:02 - 06:35. Astro Dark: 18:41 - 05:56

Total Clouds (% Sky Obscured)

99
97
96
80
64
51
64
78
86
90
94
98
97
98
96
93
87
83
88
93
97
93
90
87

Low Clouds (% Sky Obscured)

97
94
92
80
64
51
64
78
80
81
83
85
85
85
83
78
76
76
82
88
94
90
87
83

Medium Clouds (% Sky Obscured)

64
79
92
80
64
51
64
58
52
61
70
79
57
34
11
8
4
1
29
58
86
86
85
87

High Clouds (% Sky Obscured)

33
19
10
9
4
0
0
0
0
0
0
0
0
0
0
14
22
34
27
17
8
9
9
25

ISS Passover

Visibility (miles)

9
7
4
2
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4

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
Snow

Precipitation Probability (%)

22
20
16
19
17
6
14
14
1
3
5
1
5
6
1
4
4
1
6
8
3
27
39
49

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
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
93
91
88
85
84
83
83
81
80
78
78
78
78
80
82
82
85
86
91
93
94

Pressure (mb)

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

Ozone (du)

430
431
432
433
431
428
426
426
426
427
427
427
427
424
420
416
416
415
415
415
415
415
421
427

Monday 26

First Quarter 57%

10:48

02:45

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: 07:51, Set: 16:47, Transit: 12:19. Moon - Rise: 10:48, Set: 02:45. Civil Dark: 17:24 - 07:15. Nautical Dark: 18:03 - 06:34. Astro Dark: 18:43 - 05:55

Total Clouds (% Sky Obscured)

89
89
89
92
94
95
95
93
90
93
96
98
99
98
97
97
96
96

Low Clouds (% Sky Obscured)

83
83
82
83
83
83
75
67
60
47
32
14
29
47
66
72
76
82

Medium Clouds (% Sky Obscured)

89
89
86
78
79
77
69
61
55
66
77
89
85
82
79
77
67
61

High Clouds (% Sky Obscured)

30
35
35
35
35
30
7
2
0
0
0
0
1
4
10
14
18
22

ISS Passover

Visibility (miles)

1
1
0
0
1
2
2
5
7
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
57
42
33
21
27
23
3
6
6
5
14
19
24

Precipitation Amount (mm)

0.7
1.3
1.8
1.2
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
98
94
94
94
91
88
84
86
86
88
89
91
91
93
91

Pressure (mb)

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

Ozone (du)

432
422
411
400
404
409
414
421
428
435
432
429
426
424
421
419
420
421

Forecast for Stratton Saint Margaret, Swindon, United Kingdom (51.57,-1.76)

Generated: 20/01/26 18:34:26. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00