Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:20

18:24

18 OK
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: 16:29, Transit: 12:16. Moon - Rise: 09:20, Set: 18:24. Civil Dark: 17:08 - 07:23. Nautical Dark: 17:51 - 06:41. Astro Dark: 18:30 - 06:00

Total Clouds (% Sky Obscured)

41
62
71
100
100
100
100
100
99
99
89
84
85
83
73
87
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
62
71
86
92
88
86
69
85
86
81
84
85
72
71
75
79
100
100
99
100
100
100
87

Medium Clouds (% Sky Obscured)

17
53
71
100
100
99
100
99
98
99
68
0
45
17
35
49
100
100
100
100
89
100
100
100

High Clouds (% Sky Obscured)

41
62
71
100
49
98
100
76
61
0
0
0
0
0
6
23
51
85
72
79
92
100
100
68

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
3
11
52
72
94
95
74
35
14
3
2
2
0
4
35
78
95
95
95
95
92
83
66

Precipitation Amount (mm)

0
0
0
0
0.2
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0.5
0.6
1.5
1.1
0.8
0.7
0.6
0.3

Wind Speed/Direction (mph)

18
18
18
19
17
17
16
17
13
12
10
10
11
10
11
13
14
15
17
19
20
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
1
2
2
1
2
1
2
1
2
1
1
0
0
1
1
2
1
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
87
90
91
90
93
88
90
91
94
94
93
90
90
93
94
93
91
91
93
91

Pressure (mb)

1003
1003
1002
1001
1000
999
998
997
996
996
996
995
995
994
994
993
992
991
989
988
987
987
987
987

Ozone (du)

327
329
329
329
329
329
332
341
358
368
374
367
365
372
378
379
377
381
379
377
375
374
374
372

Wednesday 21

Waxing Crescent 15%

09:31

19:45

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

Sun - Rise: 08:01, Set: 16:31, Transit: 12:16. Moon - Rise: 09:31, Set: 19:45. Civil Dark: 17:10 - 07:22. Nautical Dark: 17:52 - 06:40. Astro Dark: 18:32 - 05:59

Total Clouds (% Sky Obscured)

99
100
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

93
100
86
97
100
88
80
94
77
89
98
90
95
86
76
78
84
94
92
87
78
88
84
82

Medium Clouds (% Sky Obscured)

94
94
93
93
99
99
95
98
100
69
91
76
78
100
100
90
99
95
95
90
86
98
98
76

High Clouds (% Sky Obscured)

61
78
90
84
73
61
92
73
95
100
100
100
100
100
92
38
38
40
45
50
67
81
100
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
9
5
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
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

45
43
39
14
21
24
22
22
36
40
32
47
57
52
24
36
50
50
33
36
39
43
41
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
17
18
18
18
16
15
15
14
13
12
14
13
13
13
15
14
15
16
17
16
15
13

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
8
7
8
8
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
93
91
93
93
93
95
95
93
91
90
91
90
91
88
88
88
87
85
87
88
88

Pressure (mb)

988
988
988
988
988
988
989
989
989
989
989
989
989
990
990
990
990
990
989
989
989
989
988
988

Ozone (du)

370
368
366
362
361
358
351
347
344
344
346
348
351
355
358
360
363
368
373
376
372
373
371
373

Thursday 22

Waxing Crescent 23%

09:40

21:05

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: 08:00, Set: 16:33, Transit: 12:16. Moon - Rise: 09:40, Set: 21:05. Civil Dark: 17:11 - 07:21. Nautical Dark: 17:54 - 06:38. Astro Dark: 18:33 - 05:58

Total Clouds (% Sky Obscured)

99
95
93
98
96
91
96
99
100
100
100
86
69
100
100
96
92
100
100
100
100
91
100
99

Low Clouds (% Sky Obscured)

98
90
90
98
89
91
90
96
100
100
100
84
61
85
75
80
86
73
78
83
84
81
75
73

Medium Clouds (% Sky Obscured)

41
46
50
49
47
40
28
25
81
79
66
55
46
100
100
69
66
100
100
100
100
78
100
98

High Clouds (% Sky Obscured)

67
0
0
0
0
7
36
40
50
50
50
55
45
100
45
80
37
85
89
68
91
50
29
5

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
100
100
64
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

48
18
12
17
38
59
37
6
28
28
23
12
6
5
26
28
43
66
45
31
20
16
18
21

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
11
12
9
9
10
10
12
12
13
13
13
13
15
16
17
16
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
91
93
91
91
93
96
94
94
94
93
91
91
90
90
91
91
93
88
84
82
85
86

Pressure (mb)

988
989
989
989
989
989
989
989
989
988
988
988
988
988
988
988
988
988
988
988
988
988
988
989

Ozone (du)

371
372
376
381
379
375
372
371
371
368
365
364
365
370
370
369
370
370
374
375
374
375
377
378

Friday 23

Waxing Crescent 34%

09:50

22:27

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: 16:35, Transit: 12:16. Moon - Rise: 09:50, Set: 22:27. Civil Dark: 17:13 - 07:20. Nautical Dark: 17:56 - 06:37. Astro Dark: 18:35 - 05:57

Total Clouds (% Sky Obscured)

100
82
81
84
85
86
92
96
97
97
98
97
98
99
85
89
93
100
99
97
96
91
85
76

Low Clouds (% Sky Obscured)

76
75
71
73
78
80
86
93
94
91
90
88
89
91
77
84
62
100
95
91
85
78
73
68

Medium Clouds (% Sky Obscured)

100
55
55
46
25
7
7
6
5
16
24
73
48
41
47
42
46
26
25
27
25
16
8
0

High Clouds (% Sky Obscured)

4
2
0
0
0
0
1
3
4
2
1
0
8
17
22
16
43
2
3
6
8
6
3
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 (%)

24
29
30
28
23
11
11
10
8
10
14
9
8
6
1
2
2
2
3
3
2
7
6
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
89
89
91
91
93
86
88
89
88
88
88
86
86
88
86
82
81
81
79
74
76

Pressure (mb)

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

Ozone (du)

379
382
384
385
386
389
390
390
393
396
397
395
395
394
392
393
394
394
393
395
396
399
398
396

Saturday 24

Waxing Crescent 45%

10:02

23:51

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: 16:36, Transit: 12:17. Moon - Rise: 10:02, Set: 23:51. Civil Dark: 17:15 - 07:19. Nautical Dark: 17:57 - 06:36. Astro Dark: 18:36 - 05:56

Total Clouds (% Sky Obscured)

82
86
90
91
90
90
93
94
80
92
99
100
100
100
100
100
100
100
100
100
100
98
97
96

Low Clouds (% Sky Obscured)

69
77
86
86
85
85
88
91
80
92
98
100
100
100
100
100
100
100
100
100
100
96
92
87

Medium Clouds (% Sky Obscured)

0
0
6
21
6
2
2
0
0
22
70
56
40
42
48
49
50
56
62
69
58
62
66
76

High Clouds (% Sky Obscured)

50
50
50
55
55
45
35
34
0
4
19
2
3
3
3
4
3
2
13
23
32
27
23
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
2
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 (%)

6
9
10
12
11
6
6
5
1
1
2
1
16
21
24
21
17
11
18
19
10
21
24
23

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
91
93
93
88
82
85
86
89
94
94
91
91
88
86
85
82
80
77
77
77
79
79
77

Pressure (mb)

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

Ozone (du)

394
392
390
391
392
392
392
394
396
397
399
399
399
400
401
401
401
400
399
399
398
397
397
396

Sunday 25

Waxing Crescent 42%

10:17

01:19

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: 07:56, Set: 16:38, Transit: 12:17. Moon - Rise: 10:17, Set: 01:19. Civil Dark: 17:17 - 07:17. Nautical Dark: 17:59 - 06:35. Astro Dark: 18:38 - 05:55

Total Clouds (% Sky Obscured)

97
98
99
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
99
97
95
97
98
100

Low Clouds (% Sky Obscured)

89
91
93
91
90
88
92
95
98
99
100
100
100
100
100
100
100
100
94
88
81
87
94
99

Medium Clouds (% Sky Obscured)

79
83
85
68
52
50
55
55
52
49
53
43
33
27
27
32
39
47
48
56
57
66
77
89

High Clouds (% Sky Obscured)

23
15
4
3
2
1
1
0
0
0
0
0
0
0
0
0
0
0
11
23
38
43
45
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
None
None
None
None
None
None

Precipitation Probability (%)

20
19
19
24
28
32
30
31
35
29
26
22
22
19
9
10
9
5
9
8
2
5
5
5

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)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
73
70
72
72
74
76
77
79
77
74
73
73
72
72
69
64
61
63
67
68
70
74

Pressure (mb)

1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1003
1003
1002
1001
1001
1000
999
998

Ozone (du)

396
395
395
395
394
393
392
393
394
395
396
398
399
399
398
398
401
405
409
409
409
409
416
422

Monday 26

First Quarter 57%

10:38

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: 07:54, Set: 16:40, Transit: 12:17. Moon - Rise: 10:38, Set: 02:50. Civil Dark: 17:18 - 07:16. Nautical Dark: N/A - 06:34. Astro Dark: 18:39 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
94
91
89
91
93
94
96
98
100
98
96
94

Low Clouds (% Sky Obscured)

100
100
100
91
83
77
70
69
74
87
93
94
96
98
99
98
96
94

Medium Clouds (% Sky Obscured)

89
87
86
86
87
88
85
83
80
83
88
93
96
98
100
98
96
94

High Clouds (% Sky Obscured)

45
45
45
40
40
40
35
30
25
20
15
20
15
15
10
15
15
15

ISS Passover

Visibility (miles)

9
7
5
3
2
1
0
0
0
0
0
0
0
0
1
1
1
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Sleet
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
Snow

Precipitation Probability (%)

13
20
28
64
84
95
95
95
94
87
77
60
52
41
19
32
37
41

Precipitation Amount (mm)

0
0
0
0.3
0.5
0.7
0.7
0.7
0.6
0.5
0.4
0.2
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

8
9
11
13
13
15
16
14
13
12
9
7
6
5
5
4
4
5

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
81
83
88
93
98
98
98
100
98
100
100
100
98
98
98
98

Pressure (mb)

998
997
996
995
994
993
992
992
992
991
991
991
991
991
991
992
992
992

Ozone (du)

428
432
437
441
430
419
408
408
409
409
410
412
413
414
416
418
415
412

Forecast for Basford, Nottinghamshire, United Kingdom (52.94,-1.19)

Generated: 20/01/26 18:17:32. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00