Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 25

Waxing Crescent 45%

10:14

01:01

16 Bad
17 Bad
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

Sun - Rise: 07:39, Set: 16:33, Transit: 12:07. Moon - Rise: 10:14, Set: 01:01. Civil Dark: 17:10 - 07:02. Nautical Dark: 17:50 - 06:22. Astro Dark: 18:29 - 05:43

Total Clouds (% Sky Obscured)

92
94
88
93
93
96
98
79
72
77
82
85
82
100
95
85
92
89
92
99
86
99
99
95

Low Clouds (% Sky Obscured)

92
72
72
87
87
95
98
76
72
75
81
83
82
100
95
85
92
89
91
89
71
78
85
85

Medium Clouds (% Sky Obscured)

51
49
21
15
8
4
4
4
4
3
3
4
0
0
0
0
0
0
0
0
30
97
36
46

High Clouds (% Sky Obscured)

34
45
25
10
1
2
1
1
1
1
1
0
0
0
0
0
0
1
15
97
33
22
89
59

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 (%)

2
2
3
2
2
5
1
1
0
0
0
2
0
0
0
0
0
3
0
0
1
1
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)

10
9
8
7
7
7
7
7
7
7
6
6
6
5
5
3
3
3
6
7
8
7
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
89
83
83
83
85
83
83
83
85
83
83
88
88
89
89
86
80
76
75
75
78
79

Pressure (mb)

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

Ozone (du)

436
439
442
445
446
445
444
442
442
444
446
453
455
452
448
444
439
435
437
442
447
438
433
414

Monday 26

First Quarter 57%

10:38

02:29

16 Bad
17 Bad
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

Sun - Rise: 07:37, Set: 16:35, Transit: 12:07. Moon - Rise: 10:38, Set: 02:29. Civil Dark: 17:11 - 07:01. Nautical Dark: 17:52 - 06:21. Astro Dark: 18:31 - 05:42

Total Clouds (% Sky Obscured)

96
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
87
65
61
54
52
57
59
68
70
63
79
80
94
95
87
85
100
100
84
84
73
66
55

Medium Clouds (% Sky Obscured)

22
30
88
43
99
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

58
48
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
4
3
4
9
6
5
4
2
2
2
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
2
1
3
1
0
1
21
49
52
86
95
95
95
95
95
95
95
95
95
95
73
25
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
1.3
2.1
0.7
0.8
1.2
1.3
2.2
2.4
2.2
0.8
0.3
0
0

Wind Speed/Direction (mph)

8
8
11
9
9
13
15
15
16
18
20
21
23
22
24
22
22
21
21
21
20
21
12
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
88
86
82
88
85
86
88
88
90
88
91
91
93
91
91
96
94
94
96
96
96
87
87

Pressure (mb)

1001
1001
1001
1000
1000
999
998
997
997
995
994
992
991
990
988
988
987
986
985
986
985
985
985
986

Ozone (du)

402
394
387
380
375
370
369
367
365
365
363
362
360
359
359
359
360
362
360
360
360
360
360
362

Tuesday 27

Waxing Gibbous 68%

11:13

03:57

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Good
22 Good
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK

Sun - Rise: 07:36, Set: 16:37, Transit: 12:07. Moon - Rise: 11:13, Set: 03:57. Civil Dark: 17:13 - 07:00. Nautical Dark: 17:53 - 06:20. Astro Dark: 18:32 - 05:41

Total Clouds (% Sky Obscured)

84
47
56
15
9
0
6
45
47
55
65
53
55
31
59
60
57
36
51
36
36
38
41
45

Low Clouds (% Sky Obscured)

53
38
54
15
4
0
6
45
47
43
45
53
55
31
54
49
49
36
6
0
17
34
41
45

Medium Clouds (% Sky Obscured)

74
47
30
2
0
0
0
0
0
7
25
20
14
0
6
10
0
0
0
2
1
1
0
0

High Clouds (% Sky Obscured)

44
18
20
3
9
0
1
4
10
32
65
53
55
12
59
60
53
24
51
34
23
14
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 (%)

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

14
13
12
12
9
8
9
7
7
7
7
7
7
6
6
5
5
5
6
9
10
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
86
90
91
89
91
91
91
89
91
91
93
93
91
91
88
83
79
82
77
74
77

Pressure (mb)

987
988
988
990
990
991
992
992
993
993
994
994
994
995
995
995
996
996
996
996
996
996
996
996

Ozone (du)

365
366
373
379
386
389
394
396
408
436
448
452
454
454
455
459
466
471
479
480
480
474
473
472

Wednesday 28

Waxing Gibbous 79%

12:04

05:18

16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 07:35, Set: 16:38, Transit: 12:07. Moon - Rise: 12:04, Set: 05:18. Civil Dark: 17:15 - 06:59. Nautical Dark: 17:55 - 06:19. Astro Dark: 18:34 - 05:40

Total Clouds (% Sky Obscured)

48
50
46
39
32
37
42
46
47
48
51
66
78
84
89
77
82
77
88
80
89
94
100
99

Low Clouds (% Sky Obscured)

48
50
46
39
32
37
42
46
47
48
51
46
38
31
28
25
22
33
46
54
70
82
90
85

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
14
19
23
37
50
40
39
50
56
52
50
65

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
17
36
49
36
14
1
2
10
5
9
10
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
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 (%)

3
0
5
3
1
2
1
0
3
3
1
1
1
0
0
0
0
0
1
0
2
1
0
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)

5
5
4
5
6
6
7
7
6
6
6
6
7
7
7
8
9
10
11
12
13
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
2
2
2
1
2
2
2
2
1
2
2
2
2
2
2
3
2
2
2
3
3

Relative Humidity (%)

81
82
83
85
86
88
88
89
89
89
91
89
91
91
93
93
91
88
86
82
78
76
76
76

Pressure (mb)

996
997
997
997
997
997
997
997
997
997
997
997
997
997
997
996
996
996
996
996
995
994
994
993

Ozone (du)

465
459
458
461
463
463
463
464
462
458
448
431
398
374
363
352
346
346
353
357
361
365
367
365

Thursday 29

Waxing Gibbous 88%

13:15

06:22

16 Bad
17 Bad
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

Sun - Rise: 07:33, Set: 16:40, Transit: 12:08. Moon - Rise: 13:15, Set: 06:22. Civil Dark: 17:16 - 06:57. Nautical Dark: 17:56 - 06:17. Astro Dark: 18:35 - 05:39

Total Clouds (% Sky Obscured)

97
95
97
98
100
100
100
100
97
95
93
95
98
100
100
100
100
100
100
100
96
93
90
79

Low Clouds (% Sky Obscured)

80
83
85
87
90
93
97
100
95
91
86
83
81
76
78
77
78
71
64
58
65
74
81
72

Medium Clouds (% Sky Obscured)

77
87
89
94
100
91
80
64
46
27
23
39
51
57
43
42
42
60
77
97
76
55
36
29

High Clouds (% Sky Obscured)

0
0
30
60
85
60
32
0
0
0
0
32
63
95
92
90
78
75
83
95
72
45
17
10

ISS Passover

Visibility (miles)

9
9
9
5
4
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

7
23
46
62
53
50
55
59
50
42
24
16
15
13
28
36
38
48
66
76
77
64
48
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
15
16
16
16
14
14
14
14
13
13
12
12
13
14
15
15
13
12
11
12
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
81
82
88
94
94
93
93
90
84
91
88
88
87
90
88
85
84
87
90
93
90
85
82

Pressure (mb)

993
992
992
991
991
990
990
990
989
989
989
989
990
990
990
987
987
988
988
988
988
988
989
989

Ozone (du)

362
361
363
365
367
370
374
377
380
379
379
379
378
375
376
381
387
392
396
400
403
403
402
401

Friday 30

Waxing Gibbous 95%

14:40

07:07

16 Bad
17 Bad
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

Sun - Rise: 07:32, Set: 16:42, Transit: 12:08. Moon - Rise: 14:40, Set: 07:07. Civil Dark: 17:18 - 06:56. Nautical Dark: 17:58 - 06:16. Astro Dark: 18:37 - 05:37

Total Clouds (% Sky Obscured)

70
59
71
83
97
97
97
97
95
92
89
83
77
73
80
85
91
93
96
99
99
99
99
98

Low Clouds (% Sky Obscured)

62
46
38
31
28
39
52
64
63
62
61
61
61
60
67
72
76
83
89
92
88
88
88
80

Medium Clouds (% Sky Obscured)

22
14
26
35
41
62
81
97
89
76
62
47
30
13
32
48
78
84
82
87
73
60
49
45

High Clouds (% Sky Obscured)

9
6
34
62
90
75
63
45
35
20
15
12
7
5
6
7
8
34
60
86
84
80
78
75

ISS Passover

Visibility (miles)

9
9
9
8
8
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

33
13
18
22
28
56
75
86
81
67
45
43
32
17
27
40
54
66
73
80
62
44
32
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
13
13
14
14
14
13
13
13
13
12
12
11
12
12
12
12
12
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
88
90
91
91
91
93
91
91
91
91
91
91
91
90
88
88
88
90
88
88
88

Pressure (mb)

990
990
991
991
991
991
990
990
989
989
989
989
989
989
989
990
990
991
991
991
992
993
993
994

Ozone (du)

405
409
413
415
417
419
418
416
415
417
420
422
423
424
425
426
427
428
429
431
432
432
431
431

Saturday 31

Waxing Gibbous 99%

No Rise

07:38

16 Bad
17 Bad
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: 07:30, Set: 16:44, Transit: 12:08. Moon - Rise: No Rise, Set: 07:38. Civil Dark: 17:20 - 06:55. Nautical Dark: 17:59 - 06:15. Astro Dark: 18:38 - 05:36

Total Clouds (% Sky Obscured)

97
98
94
89
84
62
46
30
63
68
71
79
87
96
97
98
99
98
99
99

Low Clouds (% Sky Obscured)

72
64
43
25
5
5
10
10
14
16
21
33
44
57
62
67
71
75
82
86

Medium Clouds (% Sky Obscured)

50
44
59
70
81
62
46
30
63
68
62
46
34
25
38
44
50
57
70
88

High Clouds (% Sky Obscured)

67
60
48
36
25
30
17
20
20
22
21
13
11
4
5
7
8
21
38
55

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
28
29
26
24
26
28
35
40
37
33
35
29
18
26
27
17
17
18
21

Precipitation Amount (mm)

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
10
9
9
9
9
9
9
9
8
7
7
6
6
5
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
84
84
85
87
87
90
91
91
91
93
89
88
86
85
84
84
81
78

Pressure (mb)

995
996
997
997
998
999
999
999
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1000

Ozone (du)

432
432
432
433
434
435
436
437
437
437
437
438
438
438
438
437
436
435
435
434

Forecast for Dover, Kent, United Kingdom (51.13,1.31)

Generated: 25/01/26 16:37:23. Forecast: 25/01/26 to 31/01/26. Timezone: UTC+0.00