Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Crescent 17%

11:48

17:53

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:40, Set: 16:07, Transit: 11:53. Moon - Rise: 11:48, Set: 17:53. Civil Dark: 16:45 - 07:02. Nautical Dark: 17:26 - 06:21. Astro Dark: 18:07 - 05:41

Total Clouds (% Sky Obscured)

48
51
51
64
69
55
57
73
100
97
100
86
78
89
96
88
91
84
80
100
100
96
87
82

Low Clouds (% Sky Obscured)

48
51
51
64
69
55
57
58
100
96
90
80
77
78
92
78
85
82
74
100
100
84
79
71

Medium Clouds (% Sky Obscured)

0
2
30
24
10
1
1
27
82
75
90
70
13
52
57
52
71
30
32
0
0
41
16
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
0
21
55
46
50
55
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
7
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
17
13
4
1
0
3
19
37
56
78
51
54
48
38
36
24
17
6
8
17
15
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.7
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
88
89
91
89
89
86
86
86
85
90
93
94
94
91
90
93
94
93
93
90
85
90

Pressure (mb)

998
998
998
997
996
996
995
994
993
993
991
990
990
989
989
989
990
991
991
992
994
995
996
998

Ozone (du)

287
286
288
289
288
291
297
303
299
299
298
299
302
304
302
300
300
306
310
314
312
309
309
315

Monday 24

Waxing Crescent 25%

12:15

19:01

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
13 Bad
14 Bad
15 OK
16 Good
17 Good

Sun - Rise: 07:42, Set: 16:06, Transit: 11:54. Moon - Rise: 12:15, Set: 19:01. Civil Dark: 16:44 - 07:04. Nautical Dark: 17:25 - 06:22. Astro Dark: 18:06 - 05:42

Total Clouds (% Sky Obscured)

70
55
57
48
54
71
72
85
82
75
72
88
90
71
68
61
72
61
54
66
45
31
9
0

Low Clouds (% Sky Obscured)

70
55
57
48
54
62
58
58
61
57
58
58
58
58
54
61
72
61
54
66
45
31
9
0

Medium Clouds (% Sky Obscured)

0
0
0
0
14
10
24
41
38
32
24
40
42
16
17
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

1
13
3
3
2
2
0
11
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
82
82
83
88
89
89
91
89
88
89
88
89
91
91
91
86
83
80
80
80
82
86
89

Pressure (mb)

1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1012
1013
1014
1015
1016
1016
1016
1017
1018
1018
1019

Ozone (du)

311
303
300
302
300
301
301
300
295
297
299
302
303
303
298
299
302
305
303
300
298
297
297
298

Tuesday 25

Waxing Crescent 34%

12:36

20:17

18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 Bad
04 Bad
05 OK
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: 16:05, Transit: 11:54. Moon - Rise: 12:36, Set: 20:17. Civil Dark: 16:43 - 07:05. Nautical Dark: 17:25 - 06:23. Astro Dark: 18:05 - 05:43

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
33
88
49
48
99
100
100
100
100
100
100
100
100
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
6
22
39
55
70
89
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
4
58
5
10
20
25
30
30
54
100
100
100
100
81
86
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
33
86
49
48
99
100
100
100
100
100
100
100
100
98
100
97

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
13
14
24
65
81
81
81
81
81
81
81
81
81
81
81
81

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
16
25
39
50
75

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
89
91
91
91
89
89
88
88
86
86
86
83
78
76
71
67
68
76
82
86
88

Pressure (mb)

1020
1021
1021
1022
1022
1022
1022
1022
1023
1022
1022
1022
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019

Ozone (du)

295
290
289
288
286
285
284
285
286
283
283
283
284
284
284
284
283
280
279
277
278
278
277
276

Wednesday 26

Waxing Crescent 44%

12:51

21:35

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:45, Set: 16:04, Transit: 11:54. Moon - Rise: 12:51, Set: 21:35. Civil Dark: 16:42 - 07:06. Nautical Dark: 17:24 - 06:24. Astro Dark: 18:05 - 05:44

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
99
97
96
93
90
88
86
85
82
82
83
83
88
94
100
95
89
83

Medium Clouds (% Sky Obscured)

88
99
100
81
79
39
33
26
17
35
44
84
96
78
85
87
80
76
70
68
68
80
80
91

High Clouds (% Sky Obscured)

91
94
92
96
100
100
96
92
88
68
47
34
56
78
100
77
51
22
29
41
49
36
22
2

ISS Passover

Visibility (miles)

9
8
9
1
3
9
6
0
0
0
0
0
0
0
1
1
0
1
9
9
5
2
1
1

Fog (%)

81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81

Precipitation Type

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
None
None
None

Precipitation Probability (%)

83
93
88
79
71
42
31
22
5
4
5
2
7
11
15
5
5
2
23
36
43
38
34
31

Precipitation Amount (mm)

0.5
0.6
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
6
7
7
8
9
9
9
9
10
10
10
10
10
10
11
11
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

3
4
5
6
7
7
8
9
9
9
9
10
10
10
10
10
11
11
11
11
11
11
12
11

Relative Humidity (%)

86
93
96
96
96
96
96
98
98
100
98
100
98
100
98
96
98
96
95
95
95
96
98
96

Pressure (mb)

1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

273
273
273
272
272
271
270
269
268
267
266
265
263
263
263
262
262
261
260
260
260
261
260
261

Thursday 27

Waxing Crescent 42%

13:04

22:54

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:46, Set: 16:03, Transit: 11:55. Moon - Rise: 13:04, Set: 22:54. Civil Dark: 16:42 - 07:08. Nautical Dark: 17:24 - 06:26. Astro Dark: 18:04 - 05:46

Total Clouds (% Sky Obscured)

98
99
100
76
53
29
50
71
91
94
97
98
75
72
71
85
79
69
72
76
80
75
70
66

Low Clouds (% Sky Obscured)

78
75
68
54
38
29
25
24
24
26
29
32
60
46
32
30
29
27
35
43
49
49
52
50

Medium Clouds (% Sky Obscured)

68
49
35
30
35
29
11
29
23
39
85
59
5
5
4
3
3
0
5
13
19
18
19
17

High Clouds (% Sky Obscured)

40
72
79
65
40
10
42
58
67
81
63
61
49
71
71
74
59
43
29
14
0
5
18
27

ISS Passover

Visibility (miles)

2
2
1
7
9
0
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81

Precipitation Type

None
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

Precipitation Probability (%)

47
58
34
30
36
38
30
23
0
2
1
0
0
0
0
0
0
0
1
3
1
8
10
8

Precipitation Amount (mm)

0
0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
98
93
90
91
90
90
88
87
88
88
90
87
84
81
82
82
82
85
87

Pressure (mb)

1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

260
259
260
260
260
261
262
262
264
266
270
276
282
282
282
282
284
286
287
287
287
288
289
291

Friday 28

First Quarter 55%

13:16

00:13

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:48, Set: 16:02, Transit: 11:55. Moon - Rise: 13:16, Set: 00:13. Civil Dark: 16:41 - 07:09. Nautical Dark: 17:23 - 06:27. Astro Dark: 18:04 - 05:47

Total Clouds (% Sky Obscured)

70
73
77
75
72
71
82
92
100
99
99
98
93
84
80
75
84
84
84
85
91
91
88
81

Low Clouds (% Sky Obscured)

58
63
66
57
57
58
59
63
67
67
67
69
53
34
13
18
33
50
63
76
90
86
82
78

Medium Clouds (% Sky Obscured)

11
6
3
17
32
47
50
52
53
71
85
98
88
76
64
46
28
10
15
15
15
14
12
7

High Clouds (% Sky Obscured)

20
12
6
8
4
0
33
67
100
70
41
20
58
73
80
70
62
50
59
74
91
91
88
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
2
5
7
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81

Precipitation Type

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
None
None

Precipitation Probability (%)

19
20
9
13
12
0
36
59
82
95
95
94
73
50
7
5
3
5
26
42
56
55
55
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
0.7
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
14
14
14
14
13
12
13
10
6
5
6
6
6
7
9
10
11
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
4
3
4
4
3
3
3
3
2
2
3
3
0
2
2
3
3
3
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
88
85
82
81
84
87
90
88
85
83
85
86
90
85
81
78
78
79
79
82
88

Pressure (mb)

1016
1015
1015
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008

Ozone (du)

292
292
292
292
295
297
299
301
303
304
307
311
314
321
329
337
335
332
329
330
330
331
332
333

Saturday 29

Waxing Gibbous 66%

13:29

01:34

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

Sun - Rise: 07:49, Set: 16:02, Transit: 11:55. Moon - Rise: 13:29, Set: 01:34. Civil Dark: 16:40 - 07:10. Nautical Dark: 17:23 - 06:28. Astro Dark: 18:03 - 05:48

Total Clouds (% Sky Obscured)

81
89
96
87
75
65
54
50
47
56
62
73
80
89
96
96
96
97

Low Clouds (% Sky Obscured)

80
81
86
84
75
65
54
50
47
56
56
57
45
28
12
15
19
21

Medium Clouds (% Sky Obscured)

9
10
16
25
24
27
28
34
35
27
19
10
9
6
3
17
29
45

High Clouds (% Sky Obscured)

81
88
96
86
75
65
54
50
47
56
62
73
68
42
23
25
27
30

ISS Passover

Visibility (miles)

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

Fog (%)

81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81
81

Precipitation Type

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

Precipitation Probability (%)

46
46
41
46
49
44
37
26
12
10
7
2
4
3
1
1
1
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
1
2
2
2
2
3
2
2
3
3
2
3
1
2
1
1
1

Dew Point (°C)

4
4
4
4
3
3
4
4
4
4
4
4
4
3
4
3
4
4

Relative Humidity (%)

93
91
91
91
89
89
91
90
91
91
91
93
94
93
94
93
90
85

Pressure (mb)

1008
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013

Ozone (du)

333
335
336
338
338
339
339
337
334
331
328
325
321
319
317
315
313
311

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 23/11/25 18:10:38. Forecast: 23/11/25 to 29/11/25. Timezone: UTC+0.00