Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 34%

09:50

22:24

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:52, Set: 16:37, Transit: 12:14. Moon - Rise: 09:50, Set: 22:24. Civil Dark: 17:15 - 07:14. Nautical Dark: 17:56 - 06:33. Astro Dark: 18:35 - 05:54

Total Clouds (% Sky Obscured)

72
73
76
79
80
72
82
80
77
71
72
65
75
80
87
76
95
87
78
67
92
91
89
88

Low Clouds (% Sky Obscured)

72
73
75
79
80
72
73
80
71
63
70
64
72
78
78
50
49
76
78
65
82
81
82
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
11
39
75
71
37
16
2
0
8
15
82
86
18
67
76
91
87
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
57
65
15
10
7
13
46
5
27
37
73
60
15
70

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
4
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
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
3
3
6
6
4
13
1
0
1
0
0
0
0
0
0
3
7
7
19
72
76
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
86
82
79
85
88
91
91
91
91
89
85
84
84
82
82
85
84
85
82
79
91
91

Pressure (mb)

988
989
989
990
991
991
991
992
992
993
993
994
994
994
994
993
993
993
993
993
993
993
993
992

Ozone (du)

398
401
404
407
407
408
408
408
406
403
402
403
405
407
411
413
415
417
417
417
420
421
421
424

Saturday 24

Waxing Crescent 45%

10:03

23:46

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:50, Set: 16:39, Transit: 12:15. Moon - Rise: 10:03, Set: 23:46. Civil Dark: 17:16 - 07:13. Nautical Dark: 17:57 - 06:32. Astro Dark: 18:37 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
96
97
97
93
92
94
94
96
100
86
100
81
85
87
91
77
84
81
73
88

Low Clouds (% Sky Obscured)

82
97
84
75
90
88
85
86
89
86
84
91
100
74
66
65
58
76
76
76
84
80
73
88

Medium Clouds (% Sky Obscured)

100
73
97
99
39
39
40
28
17
61
76
59
100
70
100
63
65
34
28
3
2
10
10
59

High Clouds (% Sky Obscured)

66
61
93
95
36
2
24
2
22
60
36
33
33
62
62
60
50
50
34
15
31
18
12
10

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
84
63
58
30
10
2
1
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 (%)

42
27
13
6
3
2
1
1
3
8
6
10
14
35
34
29
24
23
29
15
31
25
27
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)

17
13
11
10
9
8
8
8
9
9
10
11
12
12
12
11
11
11
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
96
93
96
96
96
98
98
96
96
98
96
90
88
85
84
87
85
88
91
93
93
93
91

Pressure (mb)

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

Ozone (du)

429
426
424
426
425
427
428
422
422
426
428
427
426
425
425
426
431
434
435
437
437
437
438
439

Sunday 25

Waxing Crescent 57%

10:20

01:12

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:49, Set: 16:41, Transit: 12:15. Moon - Rise: 10:20, Set: 01:12. Civil Dark: 17:18 - 07:12. Nautical Dark: 17:59 - 06:31. Astro Dark: 18:38 - 05:52

Total Clouds (% Sky Obscured)

100
84
100
97
98
100
100
100
100
100
93
66
71
68
88
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
84
100
96
98
100
100
100
100
100
90
66
71
68
63
68
78
74
86
83
88
87
88
91

Medium Clouds (% Sky Obscured)

60
65
3
3
3
2
0
0
0
0
0
0
0
11
15
20
20
100
100
82
100
100
100
99

High Clouds (% Sky Obscured)

17
2
3
1
2
0
0
0
0
0
0
0
7
40
71
100
100
100
100
100
100
98
98
100

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
5

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
Very Light Rain
Light Rain

Precipitation Probability (%)

10
19
21
33
24
11
18
10
21
17
3
13
3
0
0
1
6
3
4
13
13
39
72
95

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
0.3
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
94
94
96
96
96
96
94
96
94
93
83
79
75
76
76
80
85
89
91
93
93

Pressure (mb)

998
998
998
999
999
999
999
1000
1000
1000
1001
1001
1001
1000
1000
999
999
999
998
998
998
998
997
997

Ozone (du)

440
442
439
440
439
437
433
435
435
436
433
434
433
442
453
447
432
418
408
401
395
392
387
387

Monday 26

First Quarter 68%

10:43

02:41

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:47, Set: 16:43, Transit: 12:15. Moon - Rise: 10:43, Set: 02:41. Civil Dark: 17:20 - 07:11. Nautical Dark: 18:00 - 06:30. Astro Dark: 18:40 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

93
95
96
98
99
97
94
91
94
97
100
100
100
100
100
100
100
99
99
98
97
78
77
78

Medium Clouds (% Sky Obscured)

97
96
92
62
84
87
85
55
65
45
45
83
100
100
100
100
100
100
100
100
100
54
40
42

High Clouds (% Sky Obscured)

100
100
92
81
72
79
88
85
98
86
96
100
100
100
100
100
100
100
100
100
77
47
15
16

ISS Passover

Visibility (miles)

3
9
9
9
9
9
9
9
9
8
9
2
0
0
9
1
1
2
2
6
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

90
70
48
37
39
36
26
37
52
55
75
95
95
95
95
95
95
95
95
92
95
95
95
89

Precipitation Amount (mm)

0.6
0.3
0
0
0
0
0
0
0
0
0.5
0.8
1.3
1.9
1.5
1.3
1.3
1.6
1.1
0.5
0.6
0.6
0.6
0.5

Wind Speed/Direction (mph)

13
13
14
14
13
13
14
17
15
16
17
18
18
18
18
18
18
18
17
16
14
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

94
94
96
96
94
94
94
96
93
93
96
96
98
96
91
96
96
94
94
94
93
91
90
90

Pressure (mb)

997
996
995
995
994
993
992
990
990
989
988
987
986
985
984
983
982
981
981
981
980
980
981
981

Ozone (du)

386
386
384
386
384
384
385
386
379
379
375
374
372
371
371
373
373
371
370
376
384
396
405
410

Tuesday 27

Waxing Gibbous 79%

11:17

04:10

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:46, Set: 16:45, Transit: 12:15. Moon - Rise: 11:17, Set: 04:10. Civil Dark: 17:21 - 07:09. Nautical Dark: 18:02 - 06:29. Astro Dark: 18:41 - 05:49

Total Clouds (% Sky Obscured)

89
89
98
99
100
100
100
100
86
72
55
63
73
84
72
61
50
66
83
100
99
98
98
95

Low Clouds (% Sky Obscured)

62
67
73
64
53
51
50
48
48
45
46
57
70
84
69
54
39
44
50
55
60
65
70
67

Medium Clouds (% Sky Obscured)

45
40
52
59
76
88
62
63
43
23
26
45
11
2
16
31
49
61
71
81
84
90
97
85

High Clouds (% Sky Obscured)

13
4
29
58
85
58
31
3
5
7
2
27
1
1
6
11
19
40
64
86
61
44
24
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
50
38
31
28
29
34
26
16
8
1
0
3
16
23
27
31
29
28
25
27
26
20
30

Precipitation Amount (mm)

0.3
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
12
13
13
14
13
13
13
13
12
11
11
11
12
12
12
11
11
10
10
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
82
82
83
94
89
89
89
88
88
82
83
82
82
84
84
85
87
90
93
94
94
96

Pressure (mb)

981
981
981
981
981
982
982
983
983
984
985
985
986
987
987
987
988
988
988
989
989
989
990
990

Ozone (du)

418
427
434
437
433
440
449
456
458
461
464
465
470
474
481
489
496
503
503
503
502
501
499
497

Wednesday 28

Waxing Gibbous 88%

12:08

05:31

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:45, Set: 16:46, Transit: 12:15. Moon - Rise: 12:08, Set: 05:31. Civil Dark: 17:23 - 07:08. Nautical Dark: 18:04 - 06:27. Astro Dark: 18:43 - 05:48

Total Clouds (% Sky Obscured)

93
90
93
97
100
100
100
98
99
98
98
97
97
97
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
59
59
59
60
70
79
86
88
88
89
91
93
96
89
82
75
74
72
70
72
74
76
81

Medium Clouds (% Sky Obscured)

74
62
70
80
90
90
90
90
83
76
68
49
29
19
46
63
80
88
96
100
100
100
100
99

High Clouds (% Sky Obscured)

24
23
47
72
94
93
92
94
63
31
0
2
5
7
38
69
100
100
100
97
90
83
73
69

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

Precipitation Probability (%)

31
29
24
19
10
11
11
4
18
21
18
17
15
10
19
20
22
23
21
17
70
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
1.1
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

494
491
488
474
460
446
425
405
385
384
383
383
381
380
379
375
372
369
367
366
364
373
381
389

Thursday 29

Waxing Gibbous 85%

13:19

06:34

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: 07:43, Set: 16:48, Transit: 12:16. Moon - Rise: 13:19, Set: 06:34. Civil Dark: 17:25 - 07:07. Nautical Dark: 18:05 - 06:26. Astro Dark: 18:44 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
96
94
90
92
91
87
91
97
100

Low Clouds (% Sky Obscured)

85
91
87
83
79
83
89
94
93
91
89
84
84
87
74
56
38
42
46
48

Medium Clouds (% Sky Obscured)

98
98
93
85
74
80
91
99
84
69
45
35
31
26
39
55
73
84
93
100

High Clouds (% Sky Obscured)

65
59
61
64
64
80
89
98
90
81
72
48
24
0
29
60
87
91
97
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
89
71
61
50
34
44
49
50
46
41
34
33
36
42
38
33
24

Precipitation Amount (mm)

1.3
0.9
0.7
0.6
0.4
0.2
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
20
21
19
19
16
14
12
11
9
8
8
9
11
11
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
80
79
76
78
78
79
81
82
83
84
82
82
82
84
85
87
88

Pressure (mb)

984
983
982
983
983
983
983
984
984
985
985
986
986
987
987
987
987
987
987
987

Ozone (du)

391
393
396
395
393
392
392
391
391
392
394
396
393
391
388
387
386
385
387
389

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 23/01/26 22:06:44. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+0.00