Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 3

Waning Gibbous 80%

22:16

11:11

01 OK
02 OK
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

Sun - Rise: 05:31, Set: 20:54, Transit: 13:13. Moon - Rise: 22:16, Set: 11:11. Civil Dark: 21:35 - 04:51. Nautical Dark: 22:30 - 03:55. Astro Dark: 23:48 - 02:38

Total Clouds (% Sky Obscured)

39
43
50
77
96
86
94
79
61
67
78
98
91
99
96
99
96
96
91
80
58
54
75
64

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
45
45
9
0
0
0
0

Medium Clouds (% Sky Obscured)

39
43
44
26
2
2
4
2
12
25
28
44
42
49
56
46
30
56
91
52
38
49
48
36

High Clouds (% Sky Obscured)

37
43
7
62
93
79
94
75
52
42
58
92
76
93
83
98
90
86
44
35
16
1
32
30

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
0
0
0
0
0
0
0
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

18
17
15
16
15
14
15
17
20
22
25
27
29
30
30
31
31
31
30
29
27
25
22
21

Feels Like (°C)

14
14
13
16
14
13
14
15
18
20
22
25
27
28
28
30
30
30
28
25
24
23
23
20

Dew Point (°C)

7
7
9
12
13
13
11
10
10
10
11
11
9
8
7
7
7
7
9
15
17
17
17
16

Relative Humidity (%)

49
53
64
75
85
89
78
64
53
44
40
35
29
25
23
22
21
21
26
43
53
62
72
74

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1011
1011
1010
1009
1009
1008
1007
1006
1006
1007
1007
1007
1008
1008

Ozone (du)

334
336
332
330
330
329
328
328
327
326
326
325
325
326
326
325
325
327
329
330
332
334
332
328

Tuesday 4

Waning Gibbous 71%

22:29

12:32

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
20 OK
21 Good
22 Good
23 Bad
00 Bad

Sun - Rise: 05:33, Set: 20:52, Transit: 13:13. Moon - Rise: 22:29, Set: 12:32. Civil Dark: 21:33 - 04:52. Nautical Dark: 22:28 - 03:58. Astro Dark: 23:43 - 02:42

Total Clouds (% Sky Obscured)

62
96
100
100
100
100
90
93
96
92
82
70
91
68
79
81
84
65
71
23
0
6
54
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
50
26
65
60
38
32
35
51
54
62
70
35
66
23
0
6
52
71

Medium Clouds (% Sky Obscured)

34
24
20
14
36
55
38
62
60
79
64
51
76
57
33
29
31
36
19
2
0
0
14
12

High Clouds (% Sky Obscured)

19
94
100
100
100
100
44
43
58
70
49
25
63
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 (%)

0
0
0
0
2
18
22
4
1
5
8
6
6
3
2
2
0
4
5
15
13
2
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)

3
5
5
4
5
5
6
9
12
14
15
16
16
16
17
17
17
17
16
14
12
11
10
11

Chance of Frost

Temperature (°C)

20
19
18
17
17
17
18
19
21
23
24
25
26
26
26
26
26
25
24
23
21
19
18
17

Feels Like (°C)

19
18
17
16
16
16
17
16
18
21
22
23
24
22
22
23
22
21
22
20
20
19
18
16

Dew Point (°C)

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

Relative Humidity (%)

66
60
67
74
72
67
56
51
54
55
49
43
38
32
38
43
37
52
51
56
68
75
77
76

Pressure (mb)

1008
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009

Ozone (du)

327
326
323
323
321
320
320
319
318
317
316
317
317
317
316
316
314
313
313
314
313
314
315
316

Wednesday 5

Waning Gibbous 60%

22:46

13:57

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

Sun - Rise: 05:35, Set: 20:51, Transit: 13:13. Moon - Rise: 22:46, Set: 13:57. Civil Dark: 21:31 - 04:54. Nautical Dark: 22:25 - 04:00. Astro Dark: 23:39 - 02:47

Total Clouds (% Sky Obscured)

68
48
55
72
69
23
55
70
57
44
37
51
66
71
60
65
69
77
47
16
1
0
0
1

Low Clouds (% Sky Obscured)

68
38
55
72
69
22
55
70
57
44
34
41
66
71
60
60
69
77
45
10
1
0
0
1

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
9
0
5
8
16
15
16
10
5
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
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 (%)

0
1
2
5
12
3
0
0
4
5
1
0
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)

11
11
10
11
11
14
14
16
17
17
18
19
20
20
19
18
18
17
17
16
14
11
10
9

Chance of Frost

Temperature (°C)

17
17
17
16
16
16
16
17
18
19
21
22
23
23
23
23
22
22
21
19
18
16
15
14

Feels Like (°C)

15
15
16
14
14
13
13
13
14
15
16
17
18
17
17
18
17
17
16
15
15
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

78
81
93
87
86
85
77
66
65
64
44
36
35
40
40
39
39
40
39
47
58
65
72
79

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1016
1017
1017
1017

Ozone (du)

317
319
319
320
321
321
324
324
325
327
329
331
333
332
333
334
337
341
342
346
352
354
355
356

Thursday 6

Third Quarter 48%

23:10

15:25

01 Good
02 OK
03 OK
04 OK
05 OK
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 OK
21 Good
22 OK
23 Bad
00 Bad

Sun - Rise: 05:36, Set: 20:49, Transit: 13:12. Moon - Rise: 23:10, Set: 15:25. Civil Dark: 21:29 - 04:56. Nautical Dark: 22:22 - 04:03. Astro Dark: 23:34 - 02:51

Total Clouds (% Sky Obscured)

5
10
13
17
20
24
50
65
73
94
86
77
61
57
93
95
97
82
76
34
14
43
63
77

Low Clouds (% Sky Obscured)

4
10
13
12
9
8
43
54
43
59
51
51
53
51
44
51
54
57
37
22
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
6
8
14
24
31
34
32
30
28
26
20
26
30
30
20
12
1
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
51
34
29
17
10
50
50
50
17
28
8
12
40
63
77

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
1
3
5
6
13
16
14
18
15
7
6
3
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)

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

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
14
16
17
18
18
18
19
20
20
20
19
19
17
16
14
13
12

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
10
9
6
6
4
3
1
-0
-1
-1
-1
-1
-0
1
3
5
5
5

Relative Humidity (%)

84
89
90
93
93
95
86
70
54
46
40
35
32
27
25
24
25
25
27
32
43
53
60
63

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023

Ozone (du)

357
359
360
360
361
359
348
346
342
337
335
334
333
332
331
331
331
331
331
330
331
333
334
335

Friday 7

Waning Crescent 37%

23:47

16:52

01 Bad
02 Bad
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 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:38, Set: 20:47, Transit: 13:12. Moon - Rise: 23:47, Set: 16:52. Civil Dark: 21:27 - 04:58. Nautical Dark: 22:20 - 04:05. Astro Dark: 23:30 - 02:55

Total Clouds (% Sky Obscured)

75
79
97
94
90
73
63
46
35
62
81
100
95
90
86
91
96
100
100
99
98
98
98
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
20
33
37
42
52
64
69
75
68
61
45
38
24
11

Medium Clouds (% Sky Obscured)

2
4
7
15
24
33
27
21
17
22
57
78
65
51
38
47
55
65
58
47
30
27
25
24

High Clouds (% Sky Obscured)

75
77
95
72
48
2
1
2
8
50
59
74
58
50
40
58
75
98
96
97
98
98
98
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
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
1
0
1
2
0
0
0
0
0
0
0
1
2
2

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
3
3
2
3
3
3
4
6
8
8
8
8
9
10
11
10
9
7
7
7
6
6
5

Chance of Frost

Temperature (°C)

11
10
10
9
10
10
10
13
16
18
20
21
22
22
23
23
22
22
21
20
18
17
16
15

Feels Like (°C)

11
11
11
8
8
8
10
13
15
17
17
18
19
19
20
19
20
20
21
17
17
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

66
69
73
77
76
78
68
58
49
44
39
34
31
31
30
30
33
37
41
45
50
56
63
71

Pressure (mb)

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

Ozone (du)

336
337
336
338
340
341
340
342
343
344
346
347
347
348
348
349
350
352
353
352
351
350
349
348

Saturday 8

Waning Crescent 25%

00:41

18:10

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:39, Set: 20:45, Transit: 13:12. Moon - Rise: 00:41, Set: 18:10. Civil Dark: 21:25 - 05:00. Nautical Dark: 22:17 - 04:07. Astro Dark: 23:26 - 02:59

Total Clouds (% Sky Obscured)

98
99
100
99
98
98
96
95
94
94
94
94
90
85
79
73
62
55
53
53
60
74
84
89

Low Clouds (% Sky Obscured)

11
12
13
15
20
23
37
50
63
66
68
72
67
62
57
56
58
55
53
53
60
53
33
13

Medium Clouds (% Sky Obscured)

34
45
60
69
74
76
79
82
90
77
66
53
64
75
79
73
62
55
53
53
48
54
54
54

High Clouds (% Sky Obscured)

98
99
100
96
88
81
53
27
0
0
0
7
9
11
13
16
22
24
18
12
7
31
45
30

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 (%)

5
6
0
0
0
0
10
12
11
10
10
10
14
13
6
16
25
34
35
32
26
26
21
4

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
5
5
5
6
7
8
10
12
15
14
13
12
10
7
4
4
3
2
2
2

Chance of Frost

Temperature (°C)

14
14
13
13
13
14
14
15
16
17
18
19
21
21
20
20
20
19
19
19
17
16
16
15

Feels Like (°C)

17
11
12
12
12
11
11
13
14
14
14
15
15
19
18
16
17
18
19
16
16
17
17
16

Dew Point (°C)

11
11
11
11
11
11
11
11
11
12
11
11
10
11
11
12
14
16
18
17
16
15
14
13

Relative Humidity (%)

80
83
86
89
86
82
79
76
74
73
63
56
50
53
56
59
68
78
89
89
90
90
90
89

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

347
348
349
349
350
351
352
354
357
359
358
357
356
357
357
358
359
359
360
356
353
349
348
347

Sunday 9

Waning Crescent 16%

No Rise

19:10

Sun - Rise: 05:41, Set: 20:43, Transit: 13:12. Moon - Rise: No Rise, Set: 19:10. Civil Dark: 21:23 - 05:02. Nautical Dark: 22:15 - 04:10. Astro Dark: 23:22 - 03:02

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: 03/08/26 01:26:46. Forecast: 03/08/26 to 09/08/26. Timezone: UTC+1.00