Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 10

Third Quarter 44%

01:17

10:52

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

Sun - Rise: 08:05, Set: 16:15, Transit: 12:10. Moon - Rise: 01:17, Set: 10:52. Civil Dark: 16:54 - 07:25. Nautical Dark: 17:36 - 06:43. Astro Dark: 18:17 - 06:03

Total Clouds (% Sky Obscured)

25
31
34
36
52
48
53
44
34
33
25
17
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
31
34
36
52
48
49
37
34
33
0
0
0
34
39
38
35
42
36
35
44
51
76
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
26
41
99
100
100
100
100
100
80
95
100
92

High Clouds (% Sky Obscured)

0
0
0
0
0
2
33
44
26
7
25
17
100
100
94
99
100
100
92
52
100
100
99
80

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
77
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
0
0
0
0
0
0
0
0
0
0
0
2
11

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)

8
8
7
8
9
9
8
6
4
3
2
0
1
2
3
4
5
6
8
9
9
10
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
89
86
86
81
78
80
88
91
91
91
92
91
91
89
89
89
86
84
87
84
83
83

Pressure (mb)

1014
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023
1023
1022
1022
1022
1022
1021
1020
1020
1019
1018

Ozone (du)

367
366
366
363
363
363
362
355
351
348
345
345
342
342
338
328
315
313
311
315
310
310
314
313

Sunday 11

Waning Crescent 35%

02:31

11:04

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

Sun - Rise: 08:04, Set: 16:16, Transit: 12:10. Moon - Rise: 02:31, Set: 11:04. Civil Dark: 16:55 - 07:25. Nautical Dark: 17:38 - 06:43. Astro Dark: 18:18 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
84
77
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
76
83
91
100
100
100
100
100
100
100
100
91
71
74
75
71
75
76
70
75
80
69
78

Medium Clouds (% Sky Obscured)

94
100
100
100
97
100
100
95
100
73
94
100
100
63
22
3
41
51
83
72
6
14
0
31

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
100
100
91
64
100
40
20
92
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
1
0
1
9
3
3
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
1
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

24
34
48
46
40
95
79
18
25
46
70
58
83
63
56
28
1
0
1
17
2
3
1
4

Precipitation Amount (mm)

0
0
0.2
0
0
0.9
0.5
0
0
0
0.3
0
0.5
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
17
19
19
20
19
20
21
21
20
21
21
21
20
18
16
16
16
17
16
15
15
14

Chance of Frost

Temperature (°C)

1
1
2
3
4
4
5
5
6
6
7
8
8
9
10
10
10
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

-2
-1
-1
-0
0
2
3
4
5
6
6
7
7
8
9
8
9
8
8
7
7
7
7
7

Relative Humidity (%)

84
84
83
79
79
85
91
94
96
96
98
96
96
95
95
91
93
93
93
88
85
85
85
87

Pressure (mb)

1017
1017
1015
1014
1012
1011
1010
1009
1007
1006
1005
1004
1003
1002
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

313
314
311
313
315
317
318
315
312
311
312
315
320
324
324
321
318
317
317
318
318
319
316
314

Monday 12

Waning Crescent 26%

03:44

11:18

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

Sun - Rise: 08:04, Set: 16:18, Transit: 12:11. Moon - Rise: 03:44, Set: 11:18. Civil Dark: 16:57 - 07:24. Nautical Dark: 17:39 - 06:42. Astro Dark: 18:19 - 06:02

Total Clouds (% Sky Obscured)

83
85
93
86
92
100
96
88
86
74
62
78
75
86
96
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
75
79
71
60
53
58
70
59
64
61
69
62
78
78
75
81
84
84
77
96
93
99
97

Medium Clouds (% Sky Obscured)

31
22
62
62
84
69
37
32
32
20
0
0
0
0
0
0
2
46
21
100
100
100
100
100

High Clouds (% Sky Obscured)

25
35
39
37
57
100
73
62
70
18
2
2
0
0
73
50
100
100
100
100
100
100
100
99

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
0
0

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
1
1
1
14
14
13
3
1
14
0
2
14
0
1
0
0
0
0
0
2
21
52
60

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
13
15
14
15
15
14
14
13
13
13
12
14
11
11
10
8
7
7
10
10
10
10
10

Chance of Frost

Temperature (°C)

9
9
9
10
10
11
10
10
10
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
85
84
85
90
88
88
90
93
93
95
88
88
85
82
93
95
98
95
93
95
98
98

Pressure (mb)

1002
1002
1003
1003
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1004
1004
1003
1003

Ozone (du)

312
312
312
314
314
317
321
325
330
327
327
326
327
330
329
330
329
328
329
330
329
331
332
334

Tuesday 13

Waning Crescent 24%

04:56

11:37

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

Sun - Rise: 08:03, Set: 16:19, Transit: 12:11. Moon - Rise: 04:56, Set: 11:37. Civil Dark: 16:58 - 07:24. Nautical Dark: 17:40 - 06:41. Astro Dark: 18:20 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
81
81
99
85
80
77
84
88

Low Clouds (% Sky Obscured)

96
95
93
91
91
92
91
91
91
91
87
83
76
78
77
76
70
69
83
64
62
56
61
67

Medium Clouds (% Sky Obscured)

100
99
98
97
78
85
97
100
93
100
100
100
100
100
100
45
45
50
80
50
40
25
33
41

High Clouds (% Sky Obscured)

99
97
99
100
100
100
100
100
100
100
100
100
100
86
71
27
34
44
55
40
22
0
0
0

ISS Passover

Visibility (miles)

3
5
4
4
7
9
5
9
6
3
6
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
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

82
95
95
72
83
83
62
63
87
95
70
60
72
65
50
28
23
25
26
56
68
72
52
52

Precipitation Amount (mm)

0.4
0.8
0.7
0.3
0.5
0.4
0
0.3
0.6
0.8
0.3
0
0.4
0.3
0
0
0
0
0
0.2
0.3
0.5
0
0

Wind Speed/Direction (mph)

12
13
15
17
16
17
17
16
14
14
14
13
13
12
12
12
12
12
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
95
96
96
95
95
95
93
93
93
91
88
87
87
85
85
88
90
90
88
90
88
90
90

Pressure (mb)

1002
1002
1001
1001
1001
1000
999
999
999
999
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1002

Ozone (du)

333
331
334
339
341
342
345
350
352
354
352
347
347
359
369
372
378
383
387
392
389
371
362
353

Wednesday 14

Waning Crescent 18%

06:04

12:03

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

Sun - Rise: 08:02, Set: 16:21, Transit: 12:12. Moon - Rise: 06:04, Set: 12:03. Civil Dark: 16:59 - 07:23. Nautical Dark: 17:42 - 06:41. Astro Dark: 18:22 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
96
96
95
83
70
59
71
80
89
91
92
94
89
83
77
77
78
78
85
92

Low Clouds (% Sky Obscured)

72
71
76
97
80
77
77
62
47
32
37
36
41
56
71
85
82
80
77
77
78
78
71
64

Medium Clouds (% Sky Obscured)

100
94
86
77
69
71
90
72
56
40
56
74
87
69
57
54
30
14
1
1
2
2
11
17

High Clouds (% Sky Obscured)

12
15
19
1
6
15
15
25
35
44
39
34
13
4
0
0
0
0
0
0
0
0
11
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

74
71
72
59
23
14
33
17
49
47
15
1
0
6
12
16
31
30
24
18
14
7
6
4

Precipitation Amount (mm)

0.7
0.4
0.5
0.4
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
13
14
15
16
16
17
17
15
14
13
10
10
10
11
11
12
12
13
14
13
13
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
85
83
82
81
84
88
88
91
86
86
89
88
89
89
89
88
86
85
85
85
83
86

Pressure (mb)

1003
1004
1004
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006

Ozone (du)

346
339
333
329
329
334
339
342
350
350
348
347
352
356
360
360
361
365
369
372
374
377
379
380

Thursday 15

Waning Crescent 11%

07:01

12:40

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

Sun - Rise: 08:01, Set: 16:22, Transit: 12:12. Moon - Rise: 07:01, Set: 12:40. Civil Dark: 17:01 - 07:22. Nautical Dark: 17:43 - 06:40. Astro Dark: 18:23 - 06:00

Total Clouds (% Sky Obscured)

99
96
92
89
92
96
100
99
98
98
99
100
100
100
100
100
100
100
100
100
100
100
99
97

Low Clouds (% Sky Obscured)

57
52
48
43
40
38
34
44
55
63
66
64
62
63
63
68
69
69
70
77
85
92
91
89

Medium Clouds (% Sky Obscured)

24
22
21
19
13
10
1
29
57
85
87
93
100
100
100
100
100
100
100
96
91
89
87
84

High Clouds (% Sky Obscured)

32
21
11
0
28
59
88
95
98
98
99
100
100
100
100
100
100
100
100
100
100
97
63
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
4
4
4
3

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
2
3
1
1
0
0
0
1
10
13
16
36
46
51
75
95
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
0.4
0.8
1.2
1.3
1.4

Wind Speed/Direction (mph)

10
9
9
9
10
8
7
6
6
6
7
8
9
10
11
13
14
16
18
20
20
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
86
85
82
82
85
87
88
90
91
91
89
89
91
91
93
93
93
93
93
94
96
94

Pressure (mb)

1006
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1003
1002
1001
1000
998
997
995
994
993
991
991

Ozone (du)

381
382
380
379
377
375
372
369
367
365
363
362
360
359
357
356
354
357
360
364
369
374
379
387

Friday 16

Waning Crescent 6%

07:47

13:30

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

Sun - Rise: 07:59, Set: 16:24, Transit: 12:12. Moon - Rise: 07:47, Set: 13:30. Civil Dark: 17:02 - 07:21. Nautical Dark: 17:44 - 06:39. Astro Dark: 18:24 - 05:59

Total Clouds (% Sky Obscured)

95
94
94
93
77
60
44
52
59
67
70
74
79
80
80
79
78
75
62
64
70
74

Low Clouds (% Sky Obscured)

88
88
87
88
74
60
44
52
59
67
70
74
79
80
80
79
78
75
62
64
70
68

Medium Clouds (% Sky Obscured)

80
67
57
47
32
17
3
2
1
0
0
0
0
0
0
0
0
0
0
6
11
17

High Clouds (% Sky Obscured)

16
13
9
4
19
31
44
27
19
14
8
5
0
1
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
5
7
8
6
3
0
0
0
0
0
0
0
3
6
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

Precipitation Type

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
None
None
None

Precipitation Probability (%)

95
95
95
95
92
70
34
32
29
25
22
17
3
6
8
7
10
9
2
10
11
5

Precipitation Amount (mm)

1.5
1.2
0.9
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
20
18
17
17
16
18
20
18
17
15
14
13
11
10
9
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

990
989
988
988
988
989
991
992
994
995
996
997
998
999
1000
1000
1001
1001
1002
1002
1002
1003

Ozone (du)

395
403
404
404
405
404
403
402
400
399
398
402
406
410
410
410
410
413
415
418
419
420

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

Generated: 10/01/26 08:33:21. Forecast: 10/01/26 to 16/01/26. Timezone: UTC+0.00