Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waxing Crescent 13%

10:55

20:00

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

Sun - Rise: 06:40, Set: 19:24, Transit: 13:02. Moon - Rise: 10:55, Set: 20:00. Civil Dark: 19:58 - 06:06. Nautical Dark: 20:39 - 05:25. Astro Dark: 21:23 - 04:43

Total Clouds (% Sky Obscured)

46
50
68
65
62
86
85
85
80
59
48
34
31
24
4
19
34
32
60
83
100
100
100
100

Low Clouds (% Sky Obscured)

46
50
48
65
62
69
66
67
63
57
48
34
31
24
4
19
34
32
60
62
57
72
87
91

Medium Clouds (% Sky Obscured)

0
17
17
19
18
14
14
16
25
0
0
0
0
0
0
0
0
0
0
3
29
25
23
19

High Clouds (% Sky Obscured)

46
40
2
2
0
0
0
0
0
0
0
1
2
0
0
0
0
0
0
43
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
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
4
0
0
1
3
4
12
7
9
0
0
0
0
0
0
0
0
0
0
0
3
5
20

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)

4
4
4
6
9
10
11
11
14
15
15
16
13
12
10
8
8
9
9
10
10
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
18
20
21
21
20
22
22
22
22
22
22
22
21
20
18
18
18
17
17
17
17
17

Dew Point (°C)

16
16
16
17
17
16
17
19
19
18
17
17
15
15
16
15
15
16
17
17
16
17
16
16

Relative Humidity (%)

95
95
93
93
85
76
76
83
77
71
65
65
60
62
68
75
80
86
93
90
89
92
88
86

Pressure (mb)

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

Ozone (du)

285
284
284
283
284
285
289
290
292
292
292
293
291
288
288
288
287
287
288
290
289
288
288
290

Tuesday 15

Waxing Crescent 21%

12:13

20:18

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

Sun - Rise: 06:42, Set: 19:21, Transit: 13:02. Moon - Rise: 12:13, Set: 20:18. Civil Dark: 19:55 - 06:08. Nautical Dark: 20:36 - 05:27. Astro Dark: 21:20 - 04:45

Total Clouds (% Sky Obscured)

100
96
90
55
34
60
55
73
40
40
42
32
21
0
37
19
8
0
0
9
5
27
37
72

Low Clouds (% Sky Obscured)

87
94
86
55
30
45
50
68
28
29
39
29
20
0
24
0
7
0
0
7
4
18
26
61

Medium Clouds (% Sky Obscured)

75
96
3
0
0
0
0
10
0
0
0
0
0
0
14
7
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
40
11
1
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
8
7
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 (%)

28
36
41
20
2
2
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8

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)

13
13
13
12
14
14
14
16
15
16
16
16
14
12
10
8
7
7
7
6
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
15
11
12
12
10
7
6
6
6
7
7
7
8
9
10
10
9
9
9
9

Relative Humidity (%)

86
89
92
90
83
68
66
63
54
44
44
46
47
51
54
61
70
76
84
86
84
84
86
87

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

291
292
295
301
309
320
324
325
327
331
335
337
339
341
342
343
343
344
343
341
341
339
340
340

Wednesday 16

Waxing Crescent 30%

13:30

20:43

05 OK
06 Bad
07 OK
08 OK
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
03 Bad
04 Bad

Sun - Rise: 06:44, Set: 19:19, Transit: 13:01. Moon - Rise: 13:30, Set: 20:43. Civil Dark: 19:53 - 06:10. Nautical Dark: 20:34 - 05:29. Astro Dark: 21:17 - 04:48

Total Clouds (% Sky Obscured)

30
59
41
33
72
84
79
68
93
84
80
70
88
83
98
96
100
100
84
98
99
99
100
100

Low Clouds (% Sky Obscured)

30
59
27
24
68
83
70
64
46
65
67
56
55
33
20
18
0
32
20
64
56
54
37
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
5
11
8
14
2
10
26
21
31
35
100
84
69
79
69
94
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
39
19
2
41
67
28
94
59
100
100
32
89
93
96
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
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 (%)

9
1
0
1
1
1
3
8
8
9
7
9
6
1
0
0
6
2
0
0
0
1
1
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
80
75
71
69
64
62
59
58
54
58
61
65
65
62
68
70
69
69
65
72
79
84

Pressure (mb)

1018
1019
1019
1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1015
1014
1013
1012

Ozone (du)

340
342
343
342
340
342
342
338
332
327
322
320
314
311
308
306
305
303
302
302
303
304
303
305

Thursday 17

Waxing Crescent 39%

14:40

21:16

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 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 06:45, Set: 19:17, Transit: 13:01. Moon - Rise: 14:40, Set: 21:16. Civil Dark: 19:51 - 06:11. Nautical Dark: 20:31 - 05:31. Astro Dark: 21:14 - 04:50

Total Clouds (% Sky Obscured)

100
100
96
93
89
68
64
61
70
64
55
50
61
62
54
37
38
41
27
28
26
22
19
36

Low Clouds (% Sky Obscured)

81
100
92
84
76
64
53
35
26
16
5
13
27
30
17
9
0
11
20
28
26
22
19
26

Medium Clouds (% Sky Obscured)

91
99
91
82
8
2
1
0
3
8
15
17
61
62
54
22
38
12
3
0
0
0
0
6

High Clouds (% Sky Obscured)

100
100
73
47
25
2
11
19
30
30
16
0
30
30
22
1
16
34
0
0
2
2
3
18

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 (%)

18
30
41
52
35
27
20
1
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
13
13
14
13
10
8
7
6
6
6
6
7
8
8
9
9
9
9
9
10
10
9

Relative Humidity (%)

90
90
92
92
95
81
66
55
50
45
44
45
48
54
61
69
77
80
86
88
90
93
93
93

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

306
305
306
306
307
308
309
310
310
311
312
313
312
312
312
312
312
315
318
313
310
308
306
305

Friday 18

First Quarter 49%

15:40

22:03

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
03 Bad
04 Bad

Sun - Rise: 06:47, Set: 19:14, Transit: 13:01. Moon - Rise: 15:40, Set: 22:03. Civil Dark: 19:48 - 06:13. Nautical Dark: 20:29 - 05:32. Astro Dark: 21:12 - 04:52

Total Clouds (% Sky Obscured)

50
68
87
87
82
79
89
100
100
100
100
94
89
84
98
99
100
100
100
100
96
93
90
93

Low Clouds (% Sky Obscured)

30
33
23
10
0
10
25
54
68
85
100
90
79
71
85
77
70
82
91
98
92
86
84
77

Medium Clouds (% Sky Obscured)

9
14
8
12
8
20
73
10
84
67
28
25
50
84
78
62
42
29
23
21
17
15
10
21

High Clouds (% Sky Obscured)

33
57
74
63
44
49
52
87
91
85
90
68
37
5
53
75
100
96
93
89
72
55
38
59

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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
6
13
19
26
31
26
18
19
1
26
20
6
23
33
41
37
39
33
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
90
79
69
62
57
56
59
58
56
59
63
72
73
75
77
80
83
87
89
87
89

Pressure (mb)

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

Ozone (du)

304
302
302
302
302
300
298
296
297
303
300
300
300
302
302
302
302
302
301
300
299
297
296
294

Saturday 19

Waxing Gibbous 59%

16:27

23:02

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
03 Bad
04 Bad

Sun - Rise: 06:49, Set: 19:12, Transit: 13:00. Moon - Rise: 16:27, Set: 23:02. Civil Dark: 19:46 - 06:15. Nautical Dark: 20:26 - 05:34. Astro Dark: 21:09 - 04:54

Total Clouds (% Sky Obscured)

97
100
100
100
100
92
84
79
87
94
100
96
92
88
90
91
93
95
96
97
97
98
98
99

Low Clouds (% Sky Obscured)

73
69
57
45
33
24
15
7
25
43
61
65
68
69
48
27
6
3
2
0
7
14
25
41

Medium Clouds (% Sky Obscured)

33
47
59
68
76
57
39
22
18
13
8
9
9
11
11
11
11
20
32
44
61
71
82
75

High Clouds (% Sky Obscured)

79
100
100
100
100
91
80
65
80
91
100
91
80
68
73
81
87
84
82
81
83
86
88
88

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 (%)

21
7
8
6
0
1
2
3
5
7
7
15
15
14
13
11
3
6
4
0
3
4
5
5

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)

12
12
12
13
14
16
17
17
17
17
16
16
15
13
12
10
9
8
8
8
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
84
80
78
73
64
55
48
50
52
54
59
64
72
74
78
82
83
86
89
87
86
84

Pressure (mb)

1008
1009
1009
1010
1011
1011
1012
1012
1013
1013
1013
1014
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1020
1020

Ozone (du)

294
293
293
294
295
297
295
294
292
290
289
287
285
284
282
281
279
277
277
276
275
275
274
273

Sunday 20

Waxing Gibbous 68%

17:01

00:11

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: 06:50, Set: 19:10, Transit: 13:00. Moon - Rise: 17:01, Set: 00:11. Civil Dark: 19:43 - 06:16. Nautical Dark: 20:24 - 05:36. Astro Dark: 21:06 - 04:56

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
99
98
95
92
89
87
77
68
59

Low Clouds (% Sky Obscured)

58
74
70
68
68
75
84
93
95
96
96
90
83
76
78
79
79
76
68
59

Medium Clouds (% Sky Obscured)

68
57
53
49
45
60
76
92
77
64
50
45
40
31
20
12
5
2
1
0

High Clouds (% Sky Obscured)

90
94
88
77
66
76
88
100
100
100
100
67
35
3
3
3
5
7
11
15

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

7
10
30
42
52
63
70
78
80
88
95
80
59
24
20
14
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.4
0.4
0.5
0.7
0.5
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
14
14
14
14
14
15
15
15
15
15
15
15
14
14
14
13
13

Feels Like (°C)

11
11
11
12
12
12
13
13
13
13
13
13
13
14
14
14
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
78
74
70
68
67
66
62
57
53
56
61
66
69
73
78
80
84

Pressure (mb)

1021
1021
1021
1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1024
1025
1025
1025

Ozone (du)

274
274
274
275
276
276
277
278
278
279
280
281
282
283
284
284
284
284
283
282

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

Generated: 14/09/26 05:10:04. Forecast: 14/09/26 to 20/09/26. Timezone: UTC+1.00