Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 4

Third Quarter 39%

22:57

17:01

21 Bad
22 OK
23 Bad
00 Bad
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

Sun - Rise: 06:38, Set: 19:53, Transit: 13:16. Moon - Rise: 22:57, Set: 17:01. Civil Dark: 20:27 - 06:05. Nautical Dark: 21:10 - 05:24. Astro Dark: 21:54 - 04:40

Total Clouds (% Sky Obscured)

62
36
85
93
92
86
100
66
90
85
77
98
94
69
90
91
81
96
79
90
74
79
69
78

Low Clouds (% Sky Obscured)

25
26
22
3
3
9
22
24
17
11
18
16
6
28
48
40
29
34
37
43
40
20
8
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
7
62
38
61
19
26
80
38
32
27
25
21
23
60
58
63

High Clouds (% Sky Obscured)

62
36
85
87
86
71
100
33
82
59
25
18
85
5
16
25
24
59
12
28
21
28
5
4

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
4
0
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
11
8
6
5
5
4
4
4
3
3
4
5
6
6
7
7
8
7
7
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
11
11
11
11
10
10
9
9
9
11
13
14
16
15
16
16
16
17
15
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

79
84
86
87
90
90
89
90
90
88
90
81
69
61
56
57
51
50
52
54
58
64
70
83

Pressure (mb)

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

Ozone (du)

315
314
311
308
307
307
305
305
305
301
298
296
294
292
291
289
288
286
284
284
285
284
284
286

Saturday 5

Waning Crescent 28%

00:03

17:49

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

Sun - Rise: 06:40, Set: 19:51, Transit: 13:15. Moon - Rise: 00:03, Set: 17:49. Civil Dark: 20:24 - 06:06. Nautical Dark: 21:07 - 05:26. Astro Dark: 21:51 - 04:42

Total Clouds (% Sky Obscured)

91
88
92
85
100
86
62
66
81
63
12
0
23
10
16
70
51
20
42
12
98
100
100
100

Low Clouds (% Sky Obscured)

7
39
26
2
18
16
34
44
31
12
0
0
4
0
0
0
0
0
0
0
10
24
37
65

Medium Clouds (% Sky Obscured)

91
88
92
85
94
82
62
66
81
60
10
0
1
1
5
1
0
0
0
0
0
100
100
77

High Clouds (% Sky Obscured)

0
1
21
30
95
55
15
0
0
0
0
0
23
10
16
58
51
20
42
11
96
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
0
1
7
0
0
0
0
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)

2
3
4
4
5
5
6
6
7
8
7
8
11
13
14
14
13
13
12
12
11
9
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
13
12
12
12
12
12
12
12
14
16
15
18
18
20
19
19
18
19
18
17
16

Dew Point (°C)

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

Relative Humidity (%)

86
83
78
78
78
83
86
78
75
74
84
82
73
66
61
58
54
51
50
50
50
55
65
74

Pressure (mb)

1025
1025
1025
1024
1024
1023
1023
1022
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1016
1016
1017

Ozone (du)

287
289
290
291
292
292
294
293
293
293
295
295
293
290
288
289
288
288
289
292
294
295
296
297

Sunday 6

Waning Crescent 18%

01:24

18:23

21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:41, Set: 19:49, Transit: 13:15. Moon - Rise: 01:24, Set: 18:23. Civil Dark: 20:22 - 06:08. Nautical Dark: 21:05 - 05:28. Astro Dark: 21:49 - 04:44

Total Clouds (% Sky Obscured)

100
97
99
90
66
71
90
99
100
100
83
100
100
99
100
100
99
98
96
98
99
100
100
100

Low Clouds (% Sky Obscured)

64
84
89
85
65
63
72
72
92
81
38
23
25
35
36
32
30
38
33
42
66
39
33
29

Medium Clouds (% Sky Obscured)

100
47
14
11
3
0
8
8
0
0
0
0
0
20
29
34
87
89
86
90
90
91
89
59

High Clouds (% Sky Obscured)

100
40
35
0
0
1
41
93
84
94
63
100
100
97
100
94
89
84
80
87
93
100
100
100

ISS Passover

Visibility (miles)

9
9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
6
13
9
9
5
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
5
16
10
6
9
14
14
6
7
3
2
0
2
4
7
15
21
29
24
31
37
28
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)

3
4
5
7
8
9
9
9
10
11
10
9
12
13
14
16
16
17
16
16
17
17
16
14

Chance of Frost

Temperature (°C)

16
16
16
16
17
16
16
16
15
15
15
15
16
16
17
17
17
17
17
17
17
16
15
15

Feels Like (°C)

16
17
16
16
17
17
17
16
14
14
13
13
13
13
14
14
13
13
13
14
12
12
12
12

Dew Point (°C)

13
14
15
16
17
16
15
14
14
14
13
12
10
9
8
7
7
8
8
8
9
9
11
11

Relative Humidity (%)

81
83
93
96
98
96
93
89
90
89
87
84
70
60
55
50
51
52
55
54
59
64
73
79

Pressure (mb)

1016
1016
1017
1017
1016
1017
1017
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017

Ozone (du)

297
298
302
304
302
301
301
301
299
299
299
298
297
297
297
297
296
296
297
297
297
297
297
298

Monday 7

Waning Crescent 9%

02:52

18:47

21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:43, Set: 19:46, Transit: 13:15. Moon - Rise: 02:52, Set: 18:47. Civil Dark: 20:20 - 06:10. Nautical Dark: 21:02 - 05:29. Astro Dark: 21:46 - 04:46

Total Clouds (% Sky Obscured)

100
94
89
83
85
87
89
85
78
71
72
57
67
66
66
55
39
42
43
41
43
45
47
60

Low Clouds (% Sky Obscured)

14
11
24
47
28
17
21
82
78
71
72
18
24
30
45
20
7
14
14
12
16
18
24
38

Medium Clouds (% Sky Obscured)

73
0
27
31
9
13
19
15
6
0
3
6
11
10
7
24
4
4
5
2
0
0
0
0

High Clouds (% Sky Obscured)

100
94
88
81
72
57
45
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
6
5
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
25
32
28
14
12
11
27
26
28
44
46
61
68
71
48
28
27
31
34
28
34
42
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
11
10
11
9
10
11
13
11
11
14
16
17
18
18
19
19
19
18
17
15
14

Chance of Frost

Temperature (°C)

14
14
13
13
13
12
12
12
12
13
13
13
14
14
14
15
15
16
15
15
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
10
10
9
9
7
4
6
6
7
8
9
10
8
6
5
6
6
7
7
9

Relative Humidity (%)

86
84
89
90
83
83
84
83
71
54
64
63
62
63
68
73
60
52
50
53
58
62
66
77

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

301
302
303
304
310
314
313
315
317
322
325
328
326
326
332
332
334
335
335
331
332
333
339
341

Tuesday 8

Waning Crescent 4%

04:19

19:05

21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:44, Set: 19:44, Transit: 13:14. Moon - Rise: 04:19, Set: 19:05. Civil Dark: 20:17 - 06:11. Nautical Dark: 20:58 - 05:31. Astro Dark: 21:43 - 04:48

Total Clouds (% Sky Obscured)

60
61
62
62
60
60
60
52
52
83
89
88
85
90
93
97
97
97
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

35
29
29
30
27
29
40
33
31
25
11
7
7
15
26
33
37
38
40
39
40
41
54
67

Medium Clouds (% Sky Obscured)

0
0
0
4
3
1
0
0
0
0
0
0
0
0
0
0
24
47
68
74
84
93
95
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
40
40
56
59
74
85
92
94
97
98
99
99
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 (%)

43
26
22
21
17
23
12
17
22
11
15
17
14
13
15
10
12
10
5
13
16
18
30
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
89
90
92
88
87
90
90
90
88
90
81
71
64
59
54
50
54
57
61
66
70
76
82

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017

Ozone (du)

339
337
333
334
334
331
331
330
326
323
319
316
312
309
306
303
300
298
295
292
291
290
288
287

Wednesday 9

Waning Crescent 1%

05:44

19:20

21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:46, Set: 19:42, Transit: 13:14. Moon - Rise: 05:44, Set: 19:20. Civil Dark: 20:15 - 06:13. Nautical Dark: 20:55 - 05:33. Astro Dark: 21:40 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
94
88
82
79
76
76
79
82
85
91
96

Low Clouds (% Sky Obscured)

80
85
88
92
95
97
100
100
100
100
100
99
99
94
88
82
79
76
76
69
57
42
51
60

Medium Clouds (% Sky Obscured)

99
92
86
80
56
34
7
17
23
29
21
12
8
28
45
56
52
50
45
45
52
56
64
69

High Clouds (% Sky Obscured)

100
93
82
68
63
62
52
43
34
35
35
35
35
35
35
35
41
41
37
39
40
41
59
77

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

49
56
58
61
56
45
27
29
31
29
36
42
39
39
36
35
30
28
23
18
15
6
12
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
12
13
13
13
14
14
15
15
16
17
17
18
19
19
19
20
19
18
17
17

Feels Like (°C)

11
12
12
11
11
10
10
9
10
9
9
13
13
14
15
15
15
19
18
18
18
17
18
14

Dew Point (°C)

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

Relative Humidity (%)

87
93
93
93
93
93
95
95
96
96
98
98
96
98
92
89
85
82
78
75
76
78
82
85

Pressure (mb)

1017
1017
1016
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015

Ozone (du)

286
285
285
285
285
285
284
284
284
283
283
281
280
279
278
278
277
276
276
275
274
274
273
273

Thursday 10

Waning Crescent 0%

07:06

19:33

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:48, Set: 19:40, Transit: 13:14. Moon - Rise: 07:06, Set: 19:33. Civil Dark: 20:13 - 06:14. Nautical Dark: 20:53 - 05:35. Astro Dark: 21:38 - 04:52

Total Clouds (% Sky Obscured)

100
99
99
99
98
97
96
82
69
68
74
77
80
85
85
83

Low Clouds (% Sky Obscured)

69
60
52
45
41
35
26
27
28
29
27
28
29
24
22
16

Medium Clouds (% Sky Obscured)

73
73
73
72
74
76
78
55
30
5
2
1
4
3
2
2

High Clouds (% Sky Obscured)

95
89
84
79
74
71
67
45
23
2
19
35
52
43
35
30

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
19
18
17
19
17
9
15
14
13
13
11
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
14
13
13
13
13
13
13
13
12
12
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

89
92
92
90
89
92
92
92
90
89
86
76
67
59
56
53

Pressure (mb)

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

Ozone (du)

273
274
274
275
276
277
279
280
283
286
289
291
292
294
293
293

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 04/09/26 21:15:03. Forecast: 04/09/26 to 10/09/26. Timezone: UTC+1.00