Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 55%

13:06

00:12

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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)

91
92
95
96
44
39
33
46
69
72
89
90
82
34
55
100
100
84
97
92
99
100
100
100

Low Clouds (% Sky Obscured)

44
35
34
31
44
39
33
37
56
61
79
69
51
4
18
7
0
0
0
7
57
78
100
100

Medium Clouds (% Sky Obscured)

91
92
81
18
3
0
1
32
16
25
33
25
22
34
55
83
100
84
65
86
98
74
72
95

High Clouds (% Sky Obscured)

74
92
95
80
0
0
0
0
0
3
23
18
11
34
52
100
100
50
55
64
60
30
42
98

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
3
6
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
Very Light Rain
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
13
38
70
46
2
1
0
0
0
1
7
58
86
78
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0.4
0.8
0.4
1.6

Wind Speed/Direction (mph)

9
10
11
11
12
13
15
17
19
21
23
22
22
17
16
14
14
13
13
10
6
2
4
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
85
84
87
85
84
82
80
75
73
79
77
76
78
81
79
79
79
81
85
91
94
93

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1009
1009
1008
1007
1006
1006
1007
1008
1008
1008
1008
1008
1008
1007
1007
1005
1005

Ozone (du)

267
268
268
266
267
268
269
273
276
278
279
279
280
282
284
285
286
287
290
293
293
294
294
296

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
100
100
100
100
100
99
98
97
93
96
100
100
100
100
100
69

Low Clouds (% Sky Obscured)

95
99
95
92
91
79
79
100
100
100
88
88
100
86
74
64
72
67
69
97
93
94
74
54

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
75
66
87
91
92
100
100
83
62
88
18

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
65
32
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
2
2
6
2
3
9
9
9
9
9
9
9
9
9
9
9
5
0
8
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

95
95
95
95
95
95
76
85
95
95
82
54
45
56
49
48
41
62
68
81
84
78
56
16

Precipitation Amount (mm)

2.4
1.4
1.2
1.1
1.2
0.7
0.2
0.5
1.1
1.1
0.7
0.2
0
0.4
0.2
0
0
0
0
0.3
0.5
0.5
0.2
0

Wind Speed/Direction (mph)

1
2
4
7
5
6
6
5
6
7
7
7
7
7
9
9
9
11
11
10
12
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
96
94
93
91
90
85
81
81
82
87
88
90
86
90
96
91
88
83
80
80

Pressure (mb)

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

Ozone (du)

297
299
302
306
311
316
320
323
324
327
327
330
334
339
342
346
346
344
339
342
344
340
340
341

Sunday 30

Waxing Gibbous 77%

13:28

03:01

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

45
45
38
39
49
51
43
36
67
59
55
26
5
10
30
89
81
96
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
45
37
39
46
51
42
36
66
59
49
19
1
1
0
0
0
0
19
6
55
65
77
88

Medium Clouds (% Sky Obscured)

3
21
38
1
0
0
0
0
0
0
0
0
0
0
9
38
81
92
89
74
86
41
64
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
5
7
53
55
87
90
55
100
100
100
100

ISS Passover

Visibility (miles)

9
6
0
0
0
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
44
31
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
21
21
30
49

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
93
96
96
89
85
82
79
78
76
75
80
86
86
84
84
86
86
88
89
83
83
83

Pressure (mb)

1008
1009
1010
1011
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1012
1011
1010
1009
1007

Ozone (du)

339
339
340
345
351
345
340
336
333
327
323
319
316
313
308
307
306
302
299
297
295
292
287
285

Monday 1

Waxing Gibbous 86%

13:41

03:01

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: 07:55, 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
71
56
52
48
44
60
79
82

Low Clouds (% Sky Obscured)

90
91
92
93
95
95
91
86
81
75
66
60
64
68
73
67
60
56
52
48
44
50
57
52

Medium Clouds (% Sky Obscured)

100
100
100
99
98
98
98
99
100
100
100
100
100
100
100
76
28
1
14
16
30
49
38
52

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
97
95
97
99
100
82
63
45
45
45
5
36
1
2

ISS Passover

Visibility (miles)

8
5
5
6
4
8
4
3
5
9
9
9
9
9
9
8
5
6
7
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

81
90
90
95
95
95
95
95
72
59
70
76
84
84
74
73
74
69
67
42
23
6
10
8

Precipitation Amount (mm)

0.5
0.7
0.5
1.3
0.9
0.8
0.9
0.8
0.2
0
0.3
0.3
0.4
0.4
0.3
0.4
0.4
0.3
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
17
19
19
20
21
22
21
21
21
20
19
18
17
16
17
18
19
20
19
22
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
90
90
93
90
90
91
92
92
92
87
87
86
86
87
87
88
90
87
84
77
77
75

Pressure (mb)

1006
1004
1003
1002
1000
999
998
997
996
995
995
994
993
993
992
992
992
992
991
991
992
992
992
991

Ozone (du)

281
276
272
270
269
267
266
265
266
267
268
269
269
269
270
270
270
270
271
270
274
282
290
299

Tuesday 2

Waxing Gibbous 94%

13:57

04:32

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: 07:56, Set: 15:57, Transit: 11:56. Moon - Rise: 13:57, Set: 04:32. Civil Dark: 16:37 - 07:16. Nautical Dark: 17:20 - 06:33. Astro Dark: 18:01 - 05:52

Total Clouds (% Sky Obscured)

94
82
93
95
95
85
85
92
96
82
67
37
59
57
66
73
68
59
63
62
61
55
49
42

Low Clouds (% Sky Obscured)

55
47
52
53
49
41
42
42
45
42
39
36
36
37
41
51
55
59
57
51
48
46
43
40

Medium Clouds (% Sky Obscured)

52
52
67
90
65
65
66
70
87
77
56
4
46
25
36
25
13
5
9
13
18
22
22
22

High Clouds (% Sky Obscured)

6
10
16
73
47
65
60
75
75
47
20
0
6
14
21
16
10
1
2
3
4
6
7
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
7
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 (%)

39
9
1
0
0
0
3
3
14
16
40
28
2
0
0
44
27
9
6
2
0
1
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)

21
19
23
17
16
14
13
12
12
12
12
13
12
10
9
9
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
81
82
74
78
84
84
81
80
80
81
85
87
88
86
86
86
85
85
88
88
89
89

Pressure (mb)

990
991
993
995
997
998
999
1000
1000
1000
1000
1001
1001
1002
1003
1003
1003
1004
1005
1005
1005
1006
1006
1007

Ozone (du)

307
310
309
309
311
315
315
315
312
309
311
311
312
312
310
309
311
313
316
317
319
321
323
324

Wednesday 3

Waxing Gibbous 98%

14:19

06:08

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: 07:57, Set: 15:56, Transit: 11:57. Moon - Rise: 14:19, Set: 06:08. Civil Dark: 16:36 - 07:17. Nautical Dark: 17:20 - 06:34. Astro Dark: 18:01 - 05:53

Total Clouds (% Sky Obscured)

59
76
93
95
97
99
85
80
75
76
76
67
64
61
60
68
78
87
87
84
87
90
95
100

Low Clouds (% Sky Obscured)

48
54
60
67
74
81
74
67
69
60
50
38
32
26
18
31
43
52
60
69
75
77
78
79

Medium Clouds (% Sky Obscured)

40
57
73
61
46
30
20
11
0
15
37
55
37
16
1
15
32
47
54
57
52
68
84
100

High Clouds (% Sky Obscured)

27
45
64
42
21
0
5
11
16
37
59
67
56
36
21
28
31
34
26
23
33
59
80
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
8

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 (%)

12
10
5
4
2
5
5
4
0
2
1
0
0
0
0
0
0
0
1
2
3
14
21
28

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
89
89
89
88
86
84
84
84
85
85
88
89
88
88
86
86
86
85
85
85

Pressure (mb)

1007
1007
1008
1008
1008
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1007
1006
1005
1004
1003
1002

Ozone (du)

325
323
321
319
319
319
319
318
317
315
313
310
307
307
306
305
305
304
303
302
301
299
301
303

Thursday 4

Full Moon 100%

14:53

07:45

Sun - Rise: 07:59, Set: 15:56, Transit: 11:57. Moon - Rise: 14:53, Set: 07:45. Civil Dark: 16:36 - 07:18. Nautical Dark: 17:19 - 06:35. Astro Dark: 18:00 - 05:54

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: 28/11/25 03:59:17. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+0.00