Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 30

Waxing Gibbous 92%

14:45

07:19

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:42, Set: 16:50, Transit: 12:16. Moon - Rise: 14:45, Set: 07:19. Civil Dark: 17:26 - 07:05. Nautical Dark: 18:07 - 06:25. Astro Dark: 18:46 - 05:46

Total Clouds (% Sky Obscured)

76
75
65
61
88
94
74
83
96
84
80
79
56
30
74
100
100
99
94
95
93
91
84
93

Low Clouds (% Sky Obscured)

63
55
52
59
66
73
74
77
76
77
80
79
54
26
70
38
61
55
61
80
73
81
76
77

Medium Clouds (% Sky Obscured)

14
0
1
61
85
42
4
18
34
14
1
4
6
30
67
100
100
99
94
81
43
30
20
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
1
0
1
36
56
30
50
26
45
45
3
0
0
0
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 (%)

0
0
0
0
0
0
0
0
0
0
0
2
4
2
3
5
4
18
14
5
3
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

987
988
989
990
991
992
992
993
994
996
997
997
998
998
998
999
999
1000
1001
1001
1002
1002
1003
1003

Ozone (du)

442
442
444
449
454
457
458
459
460
460
460
456
456
457
455
449
444
443
439
447
476
483
481
481

Saturday 31

Waxing Gibbous 99%

16:15

07:49

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
22 Bad

Sun - Rise: 07:40, Set: 16:52, Transit: 12:16. Moon - Rise: 16:15, Set: 07:49. Civil Dark: 17:28 - 07:04. Nautical Dark: 18:08 - 06:24. Astro Dark: 18:47 - 05:44

Total Clouds (% Sky Obscured)

92
93
99
100
100
100
100
100
100
100
98
95
96
99
95
99
96
96
100
97
98
94
89
100

Low Clouds (% Sky Obscured)

76
88
97
90
87
69
78
76
78
78
71
67
91
97
91
83
87
87
100
70
90
89
81
100

Medium Clouds (% Sky Obscured)

26
6
8
100
100
100
93
100
99
99
95
82
51
36
74
94
84
45
35
40
36
19
22
46

High Clouds (% Sky Obscured)

0
45
89
100
100
100
97
100
50
45
2
1
0
6
22
50
50
40
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
4
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
10
95
100
99
100
100
85
91
94
66
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
3
0
0
1
1
5
12
11
15
21
24
48
62
85
57
18
10
22
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
98
96
96
96
96
94
91
87
79
78
88
93
94
94
94
94
93
94
94

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002

Ozone (du)

438
420
414
409
404
399
393
391
392
390
385
384
383
385
386
383
379
377
377
378
378
381
380
380

Sunday 1

Full Moon 100%

17:43

08:09

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
22 Bad

Sun - Rise: 07:38, Set: 16:54, Transit: 12:16. Moon - Rise: 17:43, Set: 08:09. Civil Dark: 17:30 - 07:02. Nautical Dark: 18:10 - 06:22. Astro Dark: 18:49 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
78
70
100
100
96
100
81
67
66
72
95
96
100
100
100
100
100
100
99
97

Low Clouds (% Sky Obscured)

100
100
100
100
73
65
100
100
95
100
70
50
48
61
94
95
100
98
90
80
70
65
59
60

Medium Clouds (% Sky Obscured)

16
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
36
68
71
71
59

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
28
55
60
65
65
55
45
100
100
100
100
100
75
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
1
0
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
13
100
100
100
100
100
98
98
100
100
100
89
49
49
49
49
49
49
49
49
49
49
49

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 (%)

9
10
7
6
5
21
30
26
8
22
42
31
12
15
7
5
3
2
2
4
4
2
4
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
3
4
4
4
5
5
5
6
8
10
11
11
13
14
15
14
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
93
94
96
96
96
96
96
96
98
98
94
91
93
91
91
90
90
86
86
85
86

Pressure (mb)

1002
1002
1001
1000
1000
999
998
998
998
998
997
997
997
996
995
995
994
994
994
994
994
993
993
993

Ozone (du)

380
381
379
378
376
374
373
372
372
373
372
370
369
369
369
369
370
371
372
373
374
374
374
376

Monday 2

Waning Gibbous 98%

19:07

08:24

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
22 Bad

Sun - Rise: 07:37, Set: 16:55, Transit: 12:16. Moon - Rise: 19:07, Set: 08:24. Civil Dark: 17:31 - 07:01. Nautical Dark: 18:11 - 06:21. Astro Dark: 18:51 - 05:42

Total Clouds (% Sky Obscured)

95
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97
96

Low Clouds (% Sky Obscured)

70
96
98
100
100
100
100
100
100
100
100
100
100
100
100
93
97
82
77
69
69
69
69
74

Medium Clouds (% Sky Obscured)

57
55
50
46
39
35
35
9
42
55
69
77
84
88
91
95
95
94
94
94
94
95
93
87

High Clouds (% Sky Obscured)

25
24
18
17
21
28
38
54
78
100
95
89
86
74
59
45
40
35
31
30
20
15
15
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
7
9
7
4
1
3
9
9
9
7
9
9
9
9
9
9
9

Fog (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

Precipitation Type

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

Precipitation Probability (%)

5
10
21
27
30
65
55
47
41
21
12
16
7
14
16
27
28
23
25
33
33
28
32
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
15
16
17
18
17
17
17
16
16
15
14
12
11
12
11
11
11
11
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

88
89
89
91
93
93
94
96
96
96
98
98
96
93
88
88
86
88
93
94
94
94
94
96

Pressure (mb)

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

Ozone (du)

377
375
375
374
373
373
375
378
380
382
384
386
386
388
390
393
393
397
399
400
400
401
404
406

Tuesday 3

Waning Gibbous 94%

20:27

08:36

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
22 Bad

Sun - Rise: 07:35, Set: 16:57, Transit: 12:16. Moon - Rise: 20:27, Set: 08:36. Civil Dark: 17:33 - 06:59. Nautical Dark: 18:13 - 06:19. Astro Dark: 18:52 - 05:40

Total Clouds (% Sky Obscured)

93
96
97
98
99
99
100
100
100
100
100
100
100
100
100
100
97
94
91
85
79
74
81
88

Low Clouds (% Sky Obscured)

79
86
93
94
96
98
100
100
100
100
100
100
100
100
100
100
95
90
84
80
75
70
79
87

Medium Clouds (% Sky Obscured)

66
64
60
55
60
59
60
57
49
50
50
58
55
53
58
65
69
70
74
77
78
74
76
75

High Clouds (% Sky Obscured)

12
20
15
9
1
1
0
1
0
0
0
0
0
0
0
0
8
15
27
42
48
44
45
45

ISS Passover

Visibility (miles)

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

Fog (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

Precipitation Type

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

Precipitation Probability (%)

33
48
55
60
69
75
81
79
75
71
59
48
38
56
50
39
33
31
30
29
22
9
10
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
10
10
10
10
11
11
11
11
10
8
9
8
7
7
6
6
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
94
93
93
91
88
88
85
85
86
86
82
82
83
83
86
88
91
89
91
89
91

Pressure (mb)

996
996
996
996
996
996
996
996
996
997
997
997
997
997
997
997
997
997
997
997
998
998
998
998

Ozone (du)

406
408
410
410
411
415
422
442
461
476
484
483
473
466
460
454
449
449
449
450
454
459
464
456

Wednesday 4

Waning Gibbous 88%

21:43

08:47

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 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 07:33, Set: 16:59, Transit: 12:16. Moon - Rise: 21:43, Set: 08:47. Civil Dark: 17:35 - 06:58. Nautical Dark: 18:15 - 06:18. Astro Dark: 18:54 - 05:39

Total Clouds (% Sky Obscured)

96
91
87
83
86
89
93
92
92
92
91
88
83
80
79
78
67
54
42
38
32
25
32
42

Low Clouds (% Sky Obscured)

96
91
87
79
77
79
77
81
81
81
78
75
80
74
68
62
50
37
25
24
23
23
27
32

Medium Clouds (% Sky Obscured)

75
75
65
55
60
60
60
80
90
90
80
76
59
37
28
21
21
17
31
29
28
21
18
10

High Clouds (% Sky Obscured)

45
40
30
30
15
10
5
5
4
4
4
5
5
15
25
35
25
18
10
6
3
1
5
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 (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

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
8
9
0
0
0
0
0
0
0
0
0
0
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)

3
3
3
4
5
5
5
5
6
6
7
8
9
11
11
10
10
9
9
8
9
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
0
0
0
1
1
1
0
1
1
1
1
1
4
4
4
5
5
5
1
1
2
1

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
93
94
93
91
91
88
84
81
82
82
81
87
90
94
94
96
94
96

Pressure (mb)

998
998
998
998
998
998
998
998
998
998
998
998
998
998
997
997
997
997
997
997
997
998
998
998

Ozone (du)

448
440
439
437
436
438
440
442
443
443
443
436
428
420
420
419
419
419
420
420
418
416
414
412

Thursday 5

Waning Gibbous 81%

22:58

08:58

23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
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: 07:32, Set: 17:01, Transit: 12:16. Moon - Rise: 22:58, Set: 08:58. Civil Dark: 17:37 - 06:56. Nautical Dark: 18:16 - 06:16. Astro Dark: 18:55 - 05:37

Total Clouds (% Sky Obscured)

51
44
37
30
32
34
36
46
56
67
65
60
58
69
80
81
78
81
82

Low Clouds (% Sky Obscured)

37
33
29
25
29
34
36
46
56
67
65
60
57
53
54
55
64
73
72

Medium Clouds (% Sky Obscured)

0
1
2
4
3
4
3
4
4
4
5
5
4
12
23
37
49
53
52

High Clouds (% Sky Obscured)

13
12
10
7
10
14
21
18
17
15
15
14
10
6
4
2
8
13
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
9
9
9
10
10
11
12
13
13
14
15
15
15
15
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
93
89
86
85
82
79
77
76
73
73
75
75
77
82

Pressure (mb)

998
998
998
998
997
997
997
997
998
998
998
998
998
998
998
998
998
998
999

Ozone (du)

410
408
408
408
408
410
411
412
414
416
418
419
420
421
422
424
425
425
424

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

Generated: 30/01/26 23:57:44. Forecast: 30/01/26 to 05/02/26. Timezone: UTC+0.00