Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

Waxing Gibbous 61%

11:03

04:27

20 OK
21 OK
22 OK
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

Sun - Rise: 06:53, Set: 17:38, Transit: 12:15. Moon - Rise: 11:03, Set: 04:27. Civil Dark: 18:11 - 06:19. Nautical Dark: 18:50 - 05:40. Astro Dark: 19:29 - 05:01

Total Clouds (% Sky Obscured)

21
21
23
52
65
81
70
68
74
74
97
75
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
21
23
52
65
81
70
68
74
74
67
74
83
71
61
64
70
99
100
70
87
58
61
74

Medium Clouds (% Sky Obscured)

0
4
3
2
1
0
0
0
0
0
0
4
71
80
100
97
99
88
100
100
100
97
100
100

High Clouds (% Sky Obscured)

20
2
2
8
1
0
0
0
0
0
79
66
99
100
96
75
100
100
100
100
95
100
100
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
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
14
100
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
0
0
0
0
0
1
12
6
22
24
35
29
32

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)

6
6
6
9
10
11
11
10
11
11
11
12
14
15
15
16
16
17
17
17
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
91
91
90
90
91
95
95
95
96
95
95
85
83
84
85
84
83
83
84
87
87
88

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1014
1014
1013

Ozone (du)

358
363
370
375
380
386
396
394
386
377
372
365
364
361
360
357
351
347
344
342
341
339
336
332

Thursday 26

Waxing Gibbous 76%

12:22

05:17

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:50, Set: 17:39, Transit: 12:15. Moon - Rise: 12:22, Set: 05:17. Civil Dark: 18:13 - 06:17. Nautical Dark: 18:52 - 05:38. Astro Dark: 19:31 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
86
88
82
87
89
91
86
93

Low Clouds (% Sky Obscured)

86
87
89
87
100
100
100
100
100
100
100
100
100
100
100
92
67
76
69
71
77
85
72
87

Medium Clouds (% Sky Obscured)

100
95
100
100
99
98
70
68
100
93
95
97
97
93
47
60
24
23
21
23
23
18
17
15

High Clouds (% Sky Obscured)

100
100
100
100
100
81
75
100
100
68
65
50
64
40
40
57
52
5
7
7
4
21
34
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
0
3
0
0
7
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
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

58
56
46
61
75
68
56
57
74
49
18
49
32
9
17
34
54
59
59
67
65
60
51
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
16
17
17
18
19
18
17
17
15
15
14
13
14
12
12
12
11
11
10
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
91
91
91
91
91
93
95
96
96
96
96
98
95
92
89
93
90
90
91
91
91

Pressure (mb)

1013
1013
1012
1012
1011
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1011
1012

Ozone (du)

331
333
335
335
335
334
334
333
332
332
332
332
335
336
339
342
344
346
345
343
341
342
346
349

Friday 27

Waxing Gibbous 85%

13:49

05:50

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
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK

Sun - Rise: 06:48, Set: 17:41, Transit: 12:15. Moon - Rise: 13:49, Set: 05:50. Civil Dark: 18:15 - 06:15. Nautical Dark: 18:53 - 05:36. Astro Dark: 19:32 - 04:57

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
94
99
100
100
98
87
94
90
84
98
91
78
56
34
29
29

Low Clouds (% Sky Obscured)

92
96
100
100
100
100
100
100
90
85
78
74
60
52
59
52
58
88
68
56
39
34
29
29

Medium Clouds (% Sky Obscured)

19
4
22
22
15
22
32
37
32
79
54
44
64
87
27
17
27
18
14
9
8
0
0
29

High Clouds (% Sky Obscured)

28
100
100
35
55
55
55
0
0
0
0
0
0
31
4
0
1
0
0
0
0
0
1
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

41
35
31
28
18
16
20
30
50
59
69
75
84
78
52
33
43
30
27
24
3
2
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
95
95
94
93
93
94
94
93
94
94
94
94
94
93
90
90
90
90
87
82
78
81

Pressure (mb)

1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021

Ozone (du)

352
356
358
362
366
374
379
385
391
395
397
401
401
401
404
413
417
419
421
425
422
418
417
415

Saturday 28

Waxing Gibbous 92%

15:17

06:13

20 OK
21 OK
22 Good
23 OK
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

Sun - Rise: 06:46, Set: 17:43, Transit: 12:15. Moon - Rise: 15:17, Set: 06:13. Civil Dark: 18:16 - 06:13. Nautical Dark: 18:55 - 05:34. Astro Dark: 19:34 - 04:55

Total Clouds (% Sky Obscured)

30
21
9
33
56
77
95
84
99
95
96
98
99
99
99
100
99
85
95
99
100
100
100
100

Low Clouds (% Sky Obscured)

30
21
2
4
34
58
72
57
79
78
82
87
92
90
90
89
84
65
73
72
72
69
69
68

Medium Clouds (% Sky Obscured)

17
3
3
33
56
77
85
61
93
76
55
44
40
41
42
48
50
55
56
57
62
55
53
67

High Clouds (% Sky Obscured)

6
3
7
10
7
6
3
4
5
5
22
39
53
83
90
71
96
57
59
77
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
1
4
24
24
33
24
42
34
23
19
18
16
9
7
4
0
0
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)

3
4
5
5
5
6
6
7
7
8
9
10
12
13
13
15
14
14
14
14
12
11
11
11

Chance of Frost

Temperature (°C)

6
5
5
4
4
5
5
5
5
5
6
6
7
7
8
9
9
10
10
10
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
85
89
93
94
96
96
96
93
94
94
94
93
94
85
87
76
74
82
91
95
96
95

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

417
417
418
419
419
420
419
407
404
403
399
399
398
395
393
392
391
390
389
388
386
385
386
384

Sunday 1

Waxing Gibbous 97%

16:41

06:30

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 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:44, Set: 17:45, Transit: 12:14. Moon - Rise: 16:41, Set: 06:30. Civil Dark: 18:18 - 06:10. Nautical Dark: 18:57 - 05:32. Astro Dark: 19:36 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
100
86
73
59
55
50
47
64
76
91
69
49
28
42
55
69
59
49
39
51
64

Low Clouds (% Sky Obscured)

68
64
57
53
50
47
45
42
39
37
40
36
39
38
34
28
37
45
52
46
39
33
27
21

Medium Clouds (% Sky Obscured)

60
28
43
46
40
40
34
30
26
36
40
36
39
40
30
28
42
55
69
59
48
39
51
59

High Clouds (% Sky Obscured)

100
100
84
100
80
56
35
34
34
33
37
46
75
40
26
5
10
15
25
16
11
7
11
13

ISS Passover

Visibility (miles)

0
9
9
0
0
0
0
6
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
0
7
19
2
0
0
1
0
0
0
0
0
0
0
2
8
18
27
34
33
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
96
98
98
96
98
96
94
93
90
85
84
85
84
82
77
77
79
79
83
88
93
95

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1019

Ozone (du)

388
387
389
387
389
388
389
390
390
390
390
388
387
387
389
389
390
390
390
389
389
389
389
390

Monday 2

Waxing Gibbous 100%

18:02

06:43

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:42, Set: 17:46, Transit: 12:14. Moon - Rise: 18:02, Set: 06:43. Civil Dark: 18:20 - 06:08. Nautical Dark: 18:59 - 05:30. Astro Dark: 19:38 - 04:50

Total Clouds (% Sky Obscured)

76
76
75
74
76
78
80
79
76
64
74
76
78
67
69
85
90
86
76
79
86
88
91
95

Low Clouds (% Sky Obscured)

15
16
17
18
21
24
26
31
38
43
47
49
50
54
58
69
65
62
58
63
68
72
68
64

Medium Clouds (% Sky Obscured)

64
49
34
18
18
24
30
26
26
25
13
7
8
13
14
30
41
36
29
41
58
55
52
44

High Clouds (% Sky Obscured)

11
23
34
45
32
18
12
4
1
0
3
5
8
37
66
85
90
86
76
79
86
88
65
44

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

Precipitation Probability (%)

3
0
0
0
0
0
0
0
0
0
4
6
6
16
41
51
35
34
37
30
26
33
44
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
7
7
7
6
6
6
6
5
5
6
7
8
8
9
10
10
11
11
11
11
10
9

Feels Like (°C)

5
6
6
5
6
4
4
4
4
4
4
5
5
5
5
5
5
10
11
10
12
12
13
8

Dew Point (°C)

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

Relative Humidity (%)

95
94
93
93
91
93
93
93
93
93
93
91
87
85
79
76
72
68
67
65
71
77
84
85

Pressure (mb)

1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1024
1024
1024
1024

Ozone (du)

391
391
395
399
402
408
415
421
434
447
460
449
437
426
419
413
407
403
400
397
396
394
393
391

Tuesday 3

Full Moon 100%

19:20

06:54

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Good
03 OK
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 OK

Sun - Rise: 06:40, Set: 17:48, Transit: 12:14. Moon - Rise: 19:20, Set: 06:54. Civil Dark: 18:22 - 06:06. Nautical Dark: 19:00 - 05:27. Astro Dark: 19:40 - 04:48

Total Clouds (% Sky Obscured)

99
100
100
99
67
35
2
32
62
92
94
97
98
98
99
100
93
88
87
73
51
30

Low Clouds (% Sky Obscured)

60
66
73
76
48
23
0
10
19
26
20
14
8
26
41
52
56
66
75
54
32
24

Medium Clouds (% Sky Obscured)

45
30
20
20
13
8
0
11
18
32
28
29
15
6
6
11
14
9
0
0
0
0

High Clouds (% Sky Obscured)

36
39
42
50
39
29
2
15
10
8
17
30
45
49
47
35
25
19
14
15
15
20

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

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

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

Precipitation Probability (%)

55
52
44
29
17
9
1
1
0
0
0
1
1
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
6
5
4
3
2
2
1
2
2
3
3
4
5
6
6
7
7
6

Relative Humidity (%)

87
87
90
91
93
93
94
93
93
93
93
89
86
83
81
81
79
78
80
80
82
84

Pressure (mb)

1024
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

390
388
388
388
388
387
385
384
382
380
378
377
375
374
372
370
368
366
365
363
362
360

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

Generated: 25/02/26 20:30:30. Forecast: 25/02/26 to 03/03/26. Timezone: UTC+0.00