Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Crescent 15%

09:36

21:02

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:51, Set: 16:32, Transit: 12:12. Moon - Rise: 09:36, Set: 21:02. Civil Dark: 17:09 - 07:14. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:30 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
98
90
97
99
94
92
91
63
76
80
76
71
85
94
97
100
99
100
100
99
100

Low Clouds (% Sky Obscured)

90
88
75
84
84
92
88
89
89
81
63
76
79
75
70
78
85
71
73
69
100
78
89
88

Medium Clouds (% Sky Obscured)

46
39
33
32
46
14
21
21
21
12
0
0
0
61
4
79
92
56
100
99
97
100
95
100

High Clouds (% Sky Obscured)

16
3
5
0
1
2
50
5
14
0
0
3
37
45
34
57
22
87
70
58
87
73
55
60

ISS Passover

Visibility (miles)

9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
7
7
9
9
9
5
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
Very Light Rain

Precipitation Probability (%)

11
30
44
45
51
37
24
38
31
9
2
1
0
0
0
0
3
1
9
41
38
39
41
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
0.2

Wind Speed/Direction (mph)

11
11
11
13
13
14
12
10
10
11
11
8
7
7
7
9
11
14
15
16
17
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
90
91
93
88
93
94
94
88
90
94
96
98
98
94
91
86
86
86
91
86
84

Pressure (mb)

988
988
988
987
986
986
986
986
986
986
987
987
988
988
988
987
987
987
987
987
987
987
987
987

Ozone (du)

364
366
367
369
369
370
372
371
377
382
384
384
382
379
379
378
376
376
376
374
374
376
378
381

Friday 23

Waxing Crescent 23%

09:48

22:22

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:50, Set: 16:33, Transit: 12:13. Moon - Rise: 09:48, Set: 22:22. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:32 - 05:52

Total Clouds (% Sky Obscured)

100
87
100
97
97
66
75
79
70
66
75
74
69
64
77
67
72
68
89
69
85
90
68
50

Low Clouds (% Sky Obscured)

94
87
70
70
62
66
75
79
69
64
74
72
67
60
74
63
67
64
88
69
75
63
54
50

Medium Clouds (% Sky Obscured)

82
45
96
68
38
3
0
0
3
3
0
25
43
55
55
55
55
31
28
12
28
51
21
0

High Clouds (% Sky Obscured)

50
0
0
0
0
0
0
0
2
2
0
0
5
43
50
50
40
35
30
1
2
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
1
2
5
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

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

Precipitation Probability (%)

57
26
15
21
7
0
1
0
1
7
29
41
62
88
42
7
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
78
81
83
82
80
82
82
80
79
86
94
94
94
85
83
86
85
86
88
85
81
76

Pressure (mb)

987
987
988
988
988
989
989
990
990
991
991
991
992
992
992
993
993
993
994
995
995
996
996
996

Ozone (du)

381
384
383
384
386
390
393
394
392
390
391
392
391
391
392
394
397
398
400
403
406
408
410
411

Saturday 24

Waxing Crescent 34%

10:01

23:44

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:49, Set: 16:35, Transit: 12:13. Moon - Rise: 10:01, Set: 23:44. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:33 - 05:51

Total Clouds (% Sky Obscured)

77
67
90
100
98
94
97
88
81
82
100
100
100
96
97
95
82
84
89
93
86
85
79
82

Low Clouds (% Sky Obscured)

68
35
51
50
40
49
70
67
71
68
67
73
83
82
86
80
64
68
72
71
75
76
70
65

Medium Clouds (% Sky Obscured)

0
28
2
100
98
79
91
84
72
11
33
75
100
83
89
82
3
9
11
21
17
12
5
29

High Clouds (% Sky Obscured)

55
60
75
52
81
81
84
15
4
43
68
100
100
74
74
55
42
30
22
10
4
4
5
35

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
1
5
11
21
23
25
6
7
8
10
22
22
20
28
11
6
4
0
0
0
0
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
77
81
81
79
79
78
79
78
79
84
88
90
91
93
94
96
96
94
94
90
83
79

Pressure (mb)

995
995
995
995
995
995
996
996
996
995
995
995
995
995
995
995
995
995
995
995
995
995
995
994

Ozone (du)

408
406
405
406
404
403
401
404
405
404
403
405
410
410
407
408
407
409
410
411
414
415
415
415

Sunday 25

Waxing Crescent 45%

10:17

01:10

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:47, Set: 16:37, Transit: 12:13. Moon - Rise: 10:17, Set: 01:10. Civil Dark: 17:14 - 07:10. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:35 - 05:50

Total Clouds (% Sky Obscured)

95
93
84
79
60
57
59
75
53
49
47
55
60
63
71
70
74
88
88
88
92
97
100
100

Low Clouds (% Sky Obscured)

70
59
55
59
58
57
59
75
53
49
47
55
60
63
71
70
74
87
87
88
88
89
87
82

Medium Clouds (% Sky Obscured)

52
75
75
75
60
57
43
23
12
6
7
3
0
3
0
0
0
0
0
0
9
18
39
46

High Clouds (% Sky Obscured)

65
93
84
79
60
56
38
28
14
9
1
2
4
2
0
0
0
2
1
1
31
58
82
98

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
2
4
4
3
5
7
6
6
4
1
2
2
0
0
0
0
0
0
0
0
0
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)

13
12
12
12
11
10
9
8
8
8
7
7
7
6
6
6
6
6
6
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
86
86
82
85
91
93
93
94
94
94
96
94
94
94
89
80
77
74
72
71
69

Pressure (mb)

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

Ozone (du)

416
420
423
421
421
421
421
424
426
426
424
421
420
418
420
422
420
415
428
442
451
452
443
434

Monday 26

First Quarter 57%

10:40

02:39

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:46, Set: 16:39, Transit: 12:13. Moon - Rise: 10:40, Set: 02:39. Civil Dark: 17:16 - 07:09. Nautical Dark: 17:57 - 06:28. Astro Dark: 18:36 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
96
96
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
72
76
81
86
82
78
74
80
86
92
88
83
79
86
93
96
96
97
96
97
99
100
100

Medium Clouds (% Sky Obscured)

45
86
92
95
100
100
100
100
97
93
44
44
38
35
35
40
41
57
77
100
100
100
100
82

High Clouds (% Sky Obscured)

97
95
96
98
100
100
100
100
100
100
85
83
82
75
75
77
74
82
89
100
100
100
100
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
2
0
6
3
5
7
9
9
9
9
9
9
9
7
5
2

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

Precipitation Probability (%)

0
0
1
2
2
10
37
62
86
90
86
95
95
86
71
55
37
47
58
69
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0.6
0.6
1.2
1
0.7
0.4
0.2
0
0
0.3
0.4
0.8
1.2
1.7
1.4

Wind Speed/Direction (mph)

9
9
10
10
10
11
11
11
12
12
12
12
9
8
9
8
9
9
10
11
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
72
75
75
76
77
85
89
94
96
96
94
94
94
94
94
94
94
94
94
96
96
98

Pressure (mb)

1002
1002
1001
1001
1000
1000
999
998
997
996
995
994
993
992
991
990
990
989
988
986
985
984
983
981

Ozone (du)

423
409
400
394
388
385
382
378
377
379
387
397
392
388
383
380
376
373
373
373
372
375
377
379

Tuesday 27

Waxing Gibbous 68%

11:14

04:08

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:44, Set: 16:40, Transit: 12:13. Moon - Rise: 11:14, Set: 04:08. Civil Dark: 17:17 - 07:08. Nautical Dark: 17:58 - 06:27. Astro Dark: 18:38 - 05:47

Total Clouds (% Sky Obscured)

100
100
99
97
90
90
94
91
92
96
100
100
100
100
100
100
100
100
100
100
99
98
98
98

Low Clouds (% Sky Obscured)

100
100
93
83
64
70
80
84
86
87
88
89
92
94
94
95
95
93
91
89
90
89
90
93

Medium Clouds (% Sky Obscured)

64
57
65
70
73
60
48
40
30
16
15
38
63
70
73
77
76
75
75
64
52
42
31
30

High Clouds (% Sky Obscured)

92
87
85
85
85
61
32
4
33
62
91
94
97
100
100
100
100
98
94
88
82
72
65
55

ISS Passover

Visibility (miles)

5
7
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

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

Precipitation Probability (%)

95
95
95
87
80
72
58
32
34
32
18
54
68
63
55
72
80
62
50
47
46
46
46
56

Precipitation Amount (mm)

1.1
0.8
0.6
0.5
0.4
0.3
0
0
0
0
0
0.2
0.4
0.3
0
0.4
0.6
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
82
75
78
80
82
83
83
84
81
78
75
76
76
76
76
79
80
80
80
82
80
78
78

Pressure (mb)

981
980
979
979
979
978
978
978
978
977
977
977
977
977
977
977
977
978
978
978
979
979
980
980

Ozone (du)

389
399
408
413
418
423
425
428
431
436
442
447
450
454
457
460
463
465
467
468
470
473
475
478

Wednesday 28

Waxing Gibbous 79%

12:05

05:29

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: 07:43, Set: 16:42, Transit: 12:14. Moon - Rise: 12:05, Set: 05:29. Civil Dark: 17:19 - 07:06. Nautical Dark: 18:00 - 06:26. Astro Dark: 18:39 - 05:46

Total Clouds (% Sky Obscured)

98
100
100
100
99
97
94
91
91
93
96
84
71
49
44
52
59

Low Clouds (% Sky Obscured)

95
100
95
91
86
77
72
66
63
63
64
66
71
49
44
52
59

Medium Clouds (% Sky Obscured)

28
28
40
40
41
46
52
53
63
80
96
67
43
23
23
19
7

High Clouds (% Sky Obscured)

48
37
51
73
93
72
51
29
29
28
31
18
9
0
4
9
12

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

58
57
56
53
47
51
48
39
41
42
43
38
32
28
23
19
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
82
83
86
88
91
93
93
91
89
91
89
89
89
89

Pressure (mb)

980
980
981
981
981
982
982
983
984
984
985
986
986
987
987
988
988

Ozone (du)

482
486
490
493
495
497
491
485
478
479
480
481
466
452
438
411
385

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 22/01/26 13:56:30. Forecast: 22/01/26 to 28/01/26. Timezone: UTC+0.00