Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 83%

20:48

10:23

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

Sun - Rise: 06:27, Set: 20:01, Transit: 13:14. Moon - Rise: 20:48, Set: 10:23. Civil Dark: 20:35 - 05:54. Nautical Dark: 21:17 - 05:13. Astro Dark: 22:03 - 04:27

Total Clouds (% Sky Obscured)

19
17
18
43
74
75
81
72
100
94
100
88
79
100
82
72
47
74
60
45
71
45
76
40

Low Clouds (% Sky Obscured)

12
16
18
43
74
75
68
72
78
77
79
69
71
15
12
13
3
0
6
2
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
4
15
7
9
82
53
54
27
64
59
45
67
25
60
40

High Clouds (% Sky Obscured)

0
0
0
0
0
5
54
13
93
71
100
68
48
100
50
36
21
2
0
1
4
12
17
6

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 (%)

11
9
5
8
6
7
16
7
6
11
2
0
0
0
0
0
0
0
0
1
1
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)

9
10
12
15
17
17
16
16
15
15
15
14
11
10
7
4
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
13
12
13
14
14
12
12
13
12
11
10
10
10
11
11
11
10
10
10
10
10
9

Relative Humidity (%)

90
89
86
75
76
75
73
63
63
69
65
63
61
63
69
79
84
87
87
89
89
89
90
88

Pressure (mb)

1009
1010
1011
1012
1013
1014
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

336
334
331
329
328
325
322
320
318
315
315
315
316
317
317
316
314
315
315
316
314
314
314
315

Tuesday 1

Waning Gibbous 74%

21:06

11:45

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:28, Set: 19:58, Transit: 13:13. Moon - Rise: 21:06, Set: 11:45. Civil Dark: 20:33 - 05:56. Nautical Dark: 21:14 - 05:14. Astro Dark: 22:00 - 04:29

Total Clouds (% Sky Obscured)

39
45
41
22
72
77
90
90
100
95
100
78
71
100
100
100
100
89
96
100
98
100
100
100

Low Clouds (% Sky Obscured)

0
6
0
0
32
43
53
64
47
64
80
15
22
12
0
8
12
11
18
16
17
37
76
76

Medium Clouds (% Sky Obscured)

9
12
41
5
8
11
15
16
23
23
32
34
22
29
29
22
26
18
17
19
66
92
99
91

High Clouds (% Sky Obscured)

16
1
19
15
15
11
76
77
100
83
100
78
16
100
100
100
100
53
91
100
88
89
99
90

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
1
2
3
9
12
5
2
2
1
2
6
2
0
0
0
0
0
0
2
2
2
2
3

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)

2
1
1
3
5
8
8
9
9
10
10
10
9
7
4
3
2
2
2
2
2
3
3
3

Chance of Frost

Temperature (°C)

11
11
12
15
17
19
20
20
21
21
21
21
20
19
17
16
16
15
14
14
13
13
13
13

Feels Like (°C)

10
12
13
15
16
18
19
19
18
17
17
18
18
19
16
15
15
14
14
14
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

91
91
84
74
64
57
49
42
40
42
46
55
56
63
74
81
86
86
87
89
89
90
86
87

Pressure (mb)

1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

315
315
314
315
316
317
317
317
318
318
317
319
319
317
314
311
309
307
304
303
300
297
296
295

Wednesday 2

Waning Gibbous 63%

21:30

13:10

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
05 Bad

Sun - Rise: 06:30, Set: 19:56, Transit: 13:13. Moon - Rise: 21:30, Set: 13:10. Civil Dark: 20:30 - 05:58. Nautical Dark: 21:12 - 05:16. Astro Dark: 21:57 - 04:31

Total Clouds (% Sky Obscured)

99
100
100
96
98
92
100
96
95
98
97
82
92
95
90
93
98
99
98
97
93
89
86
83

Low Clouds (% Sky Obscured)

50
38
73
74
80
86
90
90
93
51
89
50
46
37
83
90
97
99
94
97
93
89
86
83

Medium Clouds (% Sky Obscured)

87
100
100
96
71
77
54
50
13
15
53
13
44
95
49
15
14
14
17
56
76
4
8
11

High Clouds (% Sky Obscured)

66
72
89
14
40
32
8
14
11
13
6
29
15
52
26
26
3
9
7
21
5
9
32
28

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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
55
66
48
16
17
17
15
22
18
15
8
16
7
3
5
7
4
6
10
11
10
10
11

Precipitation Amount (mm)

0
0
0.4
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
5
6
8
10
14
15
13
14
15
15
13
11
9
7
7
6
6
7
8
8
7
7
6

Chance of Frost

Temperature (°C)

14
14
15
16
18
19
19
19
20
20
21
21
21
20
20
19
19
18
19
19
19
19
19
19

Feels Like (°C)

13
13
14
14
15
15
17
17
17
19
18
17
18
18
18
17
17
17
18
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

89
93
85
83
67
67
77
86
82
82
62
56
59
68
76
76
77
80
84
89
88
91
92
93

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

292
291
291
291
290
291
291
291
291
291
290
290
289
289
290
291
290
289
288
287
286
286
286
287

Thursday 3

Waning Gibbous 63%

22:04

14:35

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
05 Bad

Sun - Rise: 06:31, Set: 19:54, Transit: 13:13. Moon - Rise: 22:04, Set: 14:35. Civil Dark: 20:28 - 05:59. Nautical Dark: 21:09 - 05:18. Astro Dark: 21:54 - 04:34

Total Clouds (% Sky Obscured)

78
80
82
84
87
86
94
95
79
83
88
95
95
85
84
88
82
75
83
91
94
97
96
96

Low Clouds (% Sky Obscured)

78
80
82
84
69
74
56
51
37
60
74
93
95
68
74
83
75
66
83
87
83
79
80
81

Medium Clouds (% Sky Obscured)

8
6
10
16
17
17
16
16
9
4
6
7
6
10
6
6
5
5
4
2
0
22
69
96

High Clouds (% Sky Obscured)

35
35
30
35
29
6
40
58
41
46
40
36
34
26
12
1
0
1
2
64
70
81
36
25

ISS Passover

Visibility (miles)

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

19
10
21
26
26
20
14
11
18
15
12
19
6
9
8
11
13
23
21
25
31
29
11
7

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
5
6
8
10
13
14
16
17
17
17
15
13
12
11
10
11
11
12
12
12
11
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
20
21
21
20
21
20
20
21
21
21
21
20
20
19
18
18
18
18
18
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
92
91
81
69
58
55
56
60
63
74
85
89
89
86
86
88
91
89
92
90
88

Pressure (mb)

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

Ozone (du)

286
286
286
286
287
289
288
287
287
287
286
286
286
286
285
285
285
285
285
284
285
287
287
289

Friday 4

Third Quarter 51%

22:52

15:54

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:33, Set: 19:52, Transit: 13:12. Moon - Rise: 22:52, Set: 15:54. Civil Dark: 20:26 - N/A. Nautical Dark: 21:07 - 05:20. Astro Dark: 21:51 - 04:36

Total Clouds (% Sky Obscured)

94
96
98
100
99
97
92
95
98
93
100
100
100
96
98
98
75
51
32
50
67
86
82
77

Low Clouds (% Sky Obscured)

81
67
42
48
65
61
40
38
35
29
29
28
31
13
9
6
5
4
5
7
10
12
12
11

Medium Clouds (% Sky Obscured)

94
96
98
100
99
68
77
10
14
11
16
20
74
57
45
33
23
14
4
4
4
0
0
0

High Clouds (% Sky Obscured)

27
34
92
100
84
57
10
20
13
10
33
51
69
44
53
69
46
26
1
25
56
79
67
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
None
None
None
None
None

Precipitation Probability (%)

5
6
13
8
21
17
13
13
11
3
15
21
19
2
2
1
3
5
0
1
2
0
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)

11
11
11
13
14
15
15
15
14
14
14
12
11
10
11
9
8
7
6
4
4
4
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
17
17
15
15
14
11
8
7
8
7
8
10
11
12
12
13
13
12
12
12
12
11
11

Relative Humidity (%)

86
88
84
74
68
64
54
44
42
43
43
48
54
64
71
77
85
86
89
90
90
90
90
90

Pressure (mb)

1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023

Ozone (du)

290
292
293
293
294
296
297
299
301
303
303
304
307
309
313
316
320
318
317
315
314
312
311
310

Saturday 5

Waning Crescent 39%

23:58

16:59

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 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:35, Set: 19:50, Transit: 13:12. Moon - Rise: 23:58, Set: 16:59. Civil Dark: 20:23 - 06:01. Nautical Dark: 21:04 - 05:22. Astro Dark: 21:49 - 04:38

Total Clouds (% Sky Obscured)

72
74
76
79
73
68
63
67
74
83
79
74
69
53
36
19
38
58
73
69
69
73
69
69

Low Clouds (% Sky Obscured)

9
7
4
2
3
3
10
14
25
28
25
17
10
5
2
0
0
0
0
1
2
2
3
4

Medium Clouds (% Sky Obscured)

0
0
4
4
2
3
1
2
3
4
4
2
2
2
0
0
1
0
0
10
23
35
35
31

High Clouds (% Sky Obscured)

49
52
52
55
50
45
37
44
56
73
58
41
21
16
10
6
24
41
59
59
63
73
69
69

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
1
1
0
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

13
12
14
16
17
18
19
20
20
21
21
20
19
18
16
14
12
12
11
11
11
10
10
10

Feels Like (°C)

13
12
11
12
12
13
14
14
19
18
18
18
19
19
15
15
15
14
13
12
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

90
90
76
64
53
47
42
37
37
36
36
40
44
50
56
67
77
77
79
77
77
76
74
76

Pressure (mb)

1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

309
307
306
305
304
303
301
300
299
298
297
296
296
295
294
293
293
291
290
289
288
287
287
287

Sunday 6

Waning Crescent 28%

01:19

17:47

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: 06:36, Set: 19:47, Transit: 13:12. Moon - Rise: 01:19, Set: 17:47. Civil Dark: 20:21 - 06:03. Nautical Dark: 21:02 - 05:24. Astro Dark: 21:46 - 04:40

Total Clouds (% Sky Obscured)

64
75
85
98
99
99
100
93
86
78
82
86
92
81
70
61
64
62
62

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

27
33
45
61
70
79
88
75
62
50
43
37
30
20
13
5
5
4
4

High Clouds (% Sky Obscured)

64
75
81
83
89
95
100
72
40
13
42
68
92
70
46
22
26
31
36

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
10
10
9
10
10
6
11
9
1
1
1
0
2
4
4
11
10
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
4
6
8
10
11
12
12
11
11
10
9
8
6
4
2
2
2

Chance of Frost

Temperature (°C)

11
11
14
16
19
19
20
20
20
20
20
19
19
18
17
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
69
64
61
58
55
52
51
49
49
54
59
65
72
79
86
86
84

Pressure (mb)

1026
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

287
287
288
289
289
290
291
292
292
293
293
293
292
292
291
290
289
288
288

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 31/08/26 06:21:18. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+1.00