Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 1%

08:59

17:10

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:53, Set: 16:33, Transit: 12:13. Moon - Rise: 08:59, Set: 17:10. Civil Dark: 17:10 - 07:16. Nautical Dark: 17:50 - 06:36. Astro Dark: 18:30 - 05:57

Total Clouds (% Sky Obscured)

99
98
98
90
84
95
97
97
100
95
99
90
94
94
94
75
73
69
60
56
75
78
70
58

Low Clouds (% Sky Obscured)

89
83
82
73
71
81
80
88
91
91
90
78
69
6
49
67
73
69
60
56
75
78
63
56

Medium Clouds (% Sky Obscured)

19
18
19
22
38
50
97
96
100
89
97
75
56
50
82
62
55
55
50
9
0
0
0
0

High Clouds (% Sky Obscured)

2
3
2
3
40
15
55
81
70
67
76
58
84
93
81
60
55
55
3
13
3
3
13
2

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
8
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
7
18
11
4
8
21
27
35
58
63
43
6
1
0
1
15
10
14
17
21
14
13
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
8
9
10
10
10
10
8
10
11
12
11
10
10
10
11
12
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
96
95
95
96
96
96
98
96
95
93
93
94
95
95
96
93
93
93
94

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

397
400
398
396
393
392
393
390
391
391
393
396
400
403
403
401
401
401
402
405
401
398
400
398

Tuesday 20

Waxing Crescent 3%

08:59

18:29

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

Sun - Rise: 07:52, Set: 16:34, Transit: 12:14. Moon - Rise: 08:59, Set: 18:29. Civil Dark: 17:11 - 07:15. Nautical Dark: 17:52 - 06:35. Astro Dark: 18:31 - 05:56

Total Clouds (% Sky Obscured)

50
47
61
56
67
72
50
28
27
24
65
82
87
100
100
100
100
99
94
96
97
100
89
69

Low Clouds (% Sky Obscured)

48
47
61
56
66
72
50
28
27
24
54
68
55
53
57
60
64
90
74
84
90
100
73
52

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
22
65
30
100
100
100
100
97
91
90
60
74
73
60

High Clouds (% Sky Obscured)

0
0
1
2
29
3
2
0
27
24
40
30
64
81
100
20
20
20
0
0
0
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
3
3
4
6
3
2
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

2
0
2
0
0
2
1
0
1
9
45
95
95
95
95
95
95
95
73
58
64
48
40
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.8
0.9
0.5
0.5
0.4
1.5
1.4
0
0.2
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
84
85
87
87
85
85
87
84
84
82
90
91
91
91
91
95
93
93
91
88
91
93

Pressure (mb)

1012
1011
1011
1010
1010
1009
1008
1007
1006
1006
1005
1005
1004
1003
1002
1001
1000
999
997
997
996
996
995
995

Ozone (du)

395
392
388
383
378
372
367
359
358
356
357
356
354
349
342
341
349
358
366
371
365
366
374
379

Wednesday 21

Waxing Crescent 8%

09:14

19:47

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:51, Set: 16:36, Transit: 12:14. Moon - Rise: 09:14, Set: 19:47. Civil Dark: 17:13 - 07:14. Nautical Dark: 17:53 - 06:34. Astro Dark: 18:32 - 05:55

Total Clouds (% Sky Obscured)

69
92
100
100
100
100
100
91
99
87
99
95
95
86
90
93
100
96
96
100
100
96
94
91

Low Clouds (% Sky Obscured)

56
61
27
98
100
100
100
82
92
79
78
84
85
66
59
83
54
71
67
58
86
78
74
81

Medium Clouds (% Sky Obscured)

62
84
100
100
99
88
59
61
99
86
98
95
94
86
90
93
96
73
87
100
99
95
94
91

High Clouds (% Sky Obscured)

4
3
1
1
8
90
38
22
15
13
15
15
17
23
19
30
30
52
82
100
96
63
30
0

ISS Passover

Visibility (miles)

9
8
2
6
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

72
95
95
95
92
94
81
36
59
54
56
36
17
16
5
18
6
10
33
32
22
18
25
42

Precipitation Amount (mm)

0.3
0.9
1.2
0.7
0.6
0.7
0.5
0
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
17
22
23
22
22
22
22
21
21
20
20
19
18
17
15
13
12
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
94
96
94
91
91
90
91
95
91
93
93
90
90
91
90
90
91
95
93
93
91
95

Pressure (mb)

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

Ozone (du)

384
383
385
384
383
380
376
371
364
361
362
364
367
369
368
368
369
367
367
366
367
368
371
373

Thursday 22

Waxing Crescent 15%

09:27

21:05

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:50, Set: 16:38, Transit: 12:14. Moon - Rise: 09:27, Set: 21:05. Civil Dark: 17:14 - 07:13. Nautical Dark: 17:55 - 06:33. Astro Dark: 18:34 - 05:54

Total Clouds (% Sky Obscured)

93
96
99
100
100
100
100
100
100
100
100
64
87
93
85
50
97
100
100
100
100
96
91
82

Low Clouds (% Sky Obscured)

80
81
82
89
94
100
93
87
85
83
83
56
76
85
81
50
54
35
48
70
73
71
77
60

Medium Clouds (% Sky Obscured)

93
45
32
56
57
59
60
62
82
90
73
46
27
16
0
2
35
40
57
77
100
78
60
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
33
64
97
90
85
64
47
25
1
31
69
100
100
86
100
59
25
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

37
27
26
43
55
72
64
70
68
72
70
72
56
38
16
21
21
17
42
56
53
46
33
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
12
14
15
13
14
13
12
13
12
12
13
13
15
13
12
14
15
16
18
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
5
5
5
4
4
5
4
4
4
4
4
3
4
4
2
2
1
0
-0
1
2

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
90
84
87
90
90
90
93
95
93
93
93
93
84
88
91
91
88
88
88
87
88

Pressure (mb)

986
986
986
986
985
985
985
985
984
984
984
984
984
984
985
985
985
985
985
985
984
984
984
984

Ozone (du)

374
376
381
385
387
388
387
389
385
387
387
384
386
385
382
380
378
376
377
379
382
385
386
387

Friday 23

Waxing Crescent 23%

09:39

22:24

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:49, Set: 16:39, Transit: 12:15. Moon - Rise: 09:39, Set: 22:24. Civil Dark: 17:16 - 07:12. Nautical Dark: 17:56 - 06:32. Astro Dark: 18:35 - 05:53

Total Clouds (% Sky Obscured)

88
91
91
73
55
69
52
64
59
56
56
81
87
93
100
100
100
100
100
99
97
92
87
83

Low Clouds (% Sky Obscured)

59
55
52
49
47
41
52
64
59
56
56
66
67
67
68
72
77
82
85
88
91
88
85
81

Medium Clouds (% Sky Obscured)

52
66
80
60
45
56
20
25
5
4
9
22
67
82
100
99
98
95
84
74
55
36
20
3

High Clouds (% Sky Obscured)

0
15
22
0
1
0
0
0
0
0
0
15
31
70
100
85
71
59
43
28
14
31
39
43

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

33
27
24
37
31
24
34
38
21
35
28
16
33
47
60
95
90
57
69
71
65
59
56
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
0.5
0
0.3
0.4
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

18
19
19
20
20
19
17
17
17
17
17
19
20
22
22
23
22
21
19
18
17
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
82
81
79
75
74
74
78
81
82
82
82
82
82
81
79
82
83
86
88
88
88
88
90

Pressure (mb)

984
985
985
986
986
986
986
986
986
987
987
987
987
987
987
986
987
987
987
988
988
988
989
990

Ozone (du)

385
386
390
394
393
396
396
399
400
403
408
407
404
404
405
403
403
404
405
407
409
411
411
411

Saturday 24

Waxing Crescent 34%

09:51

23:45

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:47, Set: 16:41, Transit: 12:15. Moon - Rise: 09:51, Set: 23:45. Civil Dark: 17:17 - 07:11. Nautical Dark: 17:58 - 06:31. Astro Dark: 18:36 - 05:52

Total Clouds (% Sky Obscured)

86
88
88
83
80
78
80
83
86
90
93
89
87
90
92
80
68
59
62
66
72
82
86
89

Low Clouds (% Sky Obscured)

82
83
85
82
80
78
74
71
69
60
51
45
48
50
54
60
65
59
57
45
33
46
61
77

Medium Clouds (% Sky Obscured)

25
46
66
67
58
61
61
62
71
67
58
50
64
77
91
68
46
32
35
42
40
49
53
58

High Clouds (% Sky Obscured)

44
37
34
28
19
14
21
29
42
59
80
89
67
33
5
4
2
0
19
37
55
39
25
15

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

52
65
61
52
61
64
66
60
41
31
28
20
38
43
43
37
30
23
26
25
24
34
45
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
17
17
17
16
15
13
11
9
8
8
7
5
3
3
3
4
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
87
87
88
87
87
87
90
90
90
91
93
93
93
93
93
93
93
93
93
91
89

Pressure (mb)

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

Ozone (du)

411
412
414
415
418
422
425
426
427
428
431
433
436
436
437
437
439
440
442
440
439
437
437
437

Sunday 25

Waxing Crescent 45%

10:06

01:09

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

Sun - Rise: 07:46, Set: 16:43, Transit: 12:15. Moon - Rise: 10:06, Set: 01:09. Civil Dark: 17:19 - 07:10. Nautical Dark: 17:59 - 06:30. Astro Dark: 18:38 - 05:51

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

79
84
89
87
84
83
85
83
75
77
78
89
79
71
68
76
79
83
85
86
85

Medium Clouds (% Sky Obscured)

65
75
85
90
95
100
72
51
32
31
31
30
22
14
11
19
28
40
39
42
39

High Clouds (% Sky Obscured)

32
43
55
66
77
92
93
91
91
90
87
83
69
60
63
73
73
75
56
34
17

ISS Passover

Visibility (miles)

4
5
6
6
6
5
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

57
56
60
56
50
47
45
44
46
49
53
58
56
53
50
46
42
38
34
29
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
10
10
10
10
10
10
11
11
11
12
12
12
11
12
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
93
90
88
88
86
88
88
89
88
88
90
90
90
91
94
94
94
93

Pressure (mb)

1000
1001
1001
1001
1001
1002
1002
1002
1003
1003
1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1011

Ozone (du)

437
437
437
437
437
438
439
440
441
443
441
440
439
441
443
445
444
443
442
439
435

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 19/01/26 08:44:07. Forecast: 19/01/26 to 25/01/26. Timezone: UTC+0.00