Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 25%

12:20

20:12

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

Sun - Rise: 07:46, Set: 16:02, Transit: 11:54. Moon - Rise: 12:20, Set: 20:12. Civil Dark: 16:41 - 07:07. Nautical Dark: 17:24 - 06:24. Astro Dark: 18:04 - 05:43

Total Clouds (% Sky Obscured)

14
28
41
48
43
32
24
29
34
54
31
17
1
1
0
1
1
1
1
1
1
1
8
50

Low Clouds (% Sky Obscured)

14
28
41
44
41
32
24
29
34
54
31
17
0
0
0
0
0
0
0
0
0
0
8
0

Medium Clouds (% Sky Obscured)

14
26
15
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29

High Clouds (% Sky Obscured)

2
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
73
79
85
89
86
80
70
67
67
71
75
79
80
79
82
83
84
86
88
86
86
87

Pressure (mb)

1010
1010
1011
1012
1012
1014
1015
1015
1016
1016
1016
1016
1017
1018
1019
1019
1020
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

296
303
306
302
295
297
296
298
298
298
297
296
295
295
293
294
294
290
288
285
283
283
283
283

Wednesday 26

Waxing Crescent 34%

12:39

21:32

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

Sun - Rise: 07:47, Set: 16:01, Transit: 11:54. Moon - Rise: 12:39, Set: 21:32. Civil Dark: 16:40 - 07:08. Nautical Dark: 17:23 - 06:25. Astro Dark: 18:04 - 05:45

Total Clouds (% Sky Obscured)

30
35
41
26
82
77
71
72
87
80
98
99
92
94
96
95
92
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
15
23
13
0
0
0
0
0
53
90
70
56
72
72
84
96
100
100
97
76
65

Medium Clouds (% Sky Obscured)

5
13
15
7
29
21
35
31
45
47
71
84
65
80
94
92
73
79
59
76
74
93
56
45

High Clouds (% Sky Obscured)

30
35
40
7
49
63
71
65
49
52
80
95
35
35
26
7
61
47
98
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
5
9
9

Fog (%)

0
36
91
95
97
100
100
19
2
1
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
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
19
38
40
31
30
41
54
37
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

4
3
2
3
3
3
4
4
5
7
7
8
7
7
7
8
8
9
10
10
10
11
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
89
87
89
89
84
80
74
72
71
74
78
83
82
82
81
87
90
91
90
95
95
95

Pressure (mb)

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

Ozone (du)

284
285
284
282
279
277
278
276
275
274
275
274
274
272
270
268
267
264
263
263
264
264
263
262

Thursday 27

Waxing Crescent 44%

12:54

22:52

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:49, Set: 16:00, Transit: 11:54. Moon - Rise: 12:54, Set: 22:52. Civil Dark: 16:40 - 07:09. Nautical Dark: 17:22 - 06:27. Astro Dark: 18:03 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
99
85
82
95
100
100
100
100
100
100
100
100
100
100
100
96
96
98
99
100

Low Clouds (% Sky Obscured)

66
70
90
100
78
77
66
79
67
79
76
77
72
82
90
62
87
84
71
51
23
27
30
33

Medium Clouds (% Sky Obscured)

62
93
58
98
82
68
65
73
84
88
85
100
100
100
100
97
17
32
30
35
31
21
9
3

High Clouds (% Sky Obscured)

100
96
86
85
87
38
41
46
100
100
91
100
94
100
100
100
100
100
98
62
76
80
91
100

ISS Passover

Visibility (miles)

8
6
5
2
1
5
9
9
9
9
9
9
4
5
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
1
7
5
1
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
3
12
0
0
0
0
5
19
44
55
95
95
93
23
20
10
18
4
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.9
1
0.7
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
8
9
10
11
12
12
14
14
14
15
15
15
16
15
13
12
10
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
98
98
98
95
90
86
84
86
92
93
93
92
92
95
95
93
93
93
93
93
95

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

260
260
259
258
258
259
259
260
261
260
260
259
259
256
256
254
255
258
261
263
267
271
271
272

Friday 28

First Quarter 55%

13:06

00:12

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

Sun - Rise: 07:50, Set: 15:59, Transit: 11:55. Moon - Rise: 13:06, Set: 00:12. Civil Dark: 16:39 - 07:11. Nautical Dark: 17:22 - 06:28. Astro Dark: 18:03 - 05:47

Total Clouds (% Sky Obscured)

96
92
89
88
85
82
37
41
43
95
97
41
31
31
34
29
20
9
37
70
100
100
100
100

Low Clouds (% Sky Obscured)

26
22
16
11
7
3
11
20
30
56
77
41
31
31
34
29
19
6
4
6
3
10
15
10

Medium Clouds (% Sky Obscured)

33
60
60
20
33
78
33
31
33
38
47
41
31
16
0
0
1
9
3
24
30
53
68
88

High Clouds (% Sky Obscured)

89
79
68
58
48
40
22
10
1
1
0
0
0
0
3
3
10
9
26
70
59
100
59
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
6
33
38
48
75
86
80
57
32
0
0
0
2
15
19
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
6
7
8
10
12
14
17
17
18
17
15
12
10
10
9
10
9
10
12
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
93
94
93
90
85
82
80
82
73
76
77
79
81
82
83
85
88
86
87
87
84

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1010
1009
1009
1008
1008
1009
1009
1009
1010
1010
1010
1009
1008
1008
1006
1006

Ozone (du)

270
270
271
271
274
276
278
279
280
284
291
296
299
300
299
299
299
297
297
298
299
301
301
302

Saturday 29

Waxing Gibbous 66%

13:17

01:35

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:52, Set: 15:59, Transit: 11:55. Moon - Rise: 13:17, Set: 01:35. Civil Dark: 16:38 - 07:12. Nautical Dark: 17:21 - 06:29. Astro Dark: 18:02 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
85
81
84
76
69
57
80
85
85
96
96
97
97
100
100

Low Clouds (% Sky Obscured)

40
70
100
98
97
95
97
91
92
85
81
77
68
60
54
45
53
61
60
58
58
55
51
48

Medium Clouds (% Sky Obscured)

69
100
100
100
100
100
93
55
49
53
54
54
47
33
22
35
30
30
35
40
45
50
60
60

High Clouds (% Sky Obscured)

79
100
100
100
100
100
100
100
79
48
24
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
5
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

Very Light Rain
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
None
None

Precipitation Probability (%)

56
89
95
95
95
95
95
78
58
46
40
33
23
13
1
50
36
25
36
27
9
32
28
11

Precipitation Amount (mm)

0.2
0.6
0.9
1
0.9
0.8
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
17
17
11
9
8
7
7
7
7
8
10
9
9
8
6
7
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
87
88
85
88
82
81
78
74
71
74
78
85
88
89
91
91
93
93
91
91
89
89

Pressure (mb)

1005
1004
1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
1000
1001
1001
1002
1005
1005
1006
1007
1007
1007
1008
1008

Ozone (du)

303
307
311
316
320
326
331
335
337
337
336
338
342
344
343
344
341
338
334
335
336
336
337
338

Sunday 30

Waxing Gibbous 77%

13:28

03:01

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

Sun - Rise: 07:53, Set: 15:58, Transit: 11:56. Moon - Rise: 13:28, Set: 03:01. Civil Dark: 16:38 - 07:13. Nautical Dark: 17:21 - 06:30. Astro Dark: 18:02 - 05:49

Total Clouds (% Sky Obscured)

87
75
62
63
62
64
60
62
63
44
23
5
13
22
33
42
56
66
62
44
45
43
54
61

Low Clouds (% Sky Obscured)

43
36
30
39
47
55
56
58
55
36
18
1
1
2
3
3
3
3
2
1
1
4
6
9

Medium Clouds (% Sky Obscured)

41
26
14
7
5
3
5
9
18
14
9
1
1
2
3
3
3
2
22
41
45
43
54
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
5
7
14
23
30
36
33
34
45
43
54
61

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
8
7

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 (%)

20
17
5
7
4
1
10
8
2
4
2
3
1
0
0
0
0
0
0
0
0
7
19
33

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
89
89
88
88
82
78
71
75
78
79
82
85
88
88
88
86
85
83
82
83
85

Pressure (mb)

1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1014
1014
1014
1013
1012
1012

Ozone (du)

338
338
337
336
336
335
335
333
330
328
326
323
320
317
314
311
309
307
304
303
301
299
295
291

Monday 1

Waxing Gibbous 86%

13:41

03:01

Sun - Rise: 07:55, Set: 15:57, Transit: 11:56. Moon - Rise: 13:41, Set: 03:01. Civil Dark: 16:37 - 07:15. Nautical Dark: 17:20 - 06:32. Astro Dark: 18:01 - 05:51

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 25/11/25 03:59:14. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00