Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 7

Waning Crescent 17%

02:34

18:13

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:29, Set: 19:36, Transit: 13:02. Moon - Rise: 02:34, Set: 18:13. Civil Dark: 20:10 - 05:55. Nautical Dark: 20:51 - 05:14. Astro Dark: 21:36 - 04:30

Total Clouds (% Sky Obscured)

52
63
69
77
97
100
100
99
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
63
45
77
30
38
26
23
19
17
17
0
1
2
19
30
48
60
71
84
80
86
87
90

Medium Clouds (% Sky Obscured)

22
16
7
27
97
34
68
75
67
71
67
81
100
100
100
100
98
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

52
63
69
77
39
100
100
98
98
97
100
100
97
100
100
100
100
100
100
100
100
100
100
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
3
4
3
3

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
2
0
0
0
0
0
0
0
0
1
21
34
35
46
78
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1
1.5
1.3
1.5
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
22
23
23
23
22
21
20
19
17
16
16
15
15
15
14
14
14
14
14
14
15
15

Feels Like (°C)

19
19
21
20
20
19
18
18
17
17
15
14
14
13
14
13
13
12
13
13
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

76
76
72
55
51
45
46
44
49
54
60
65
70
70
73
73
70
78
89
92
95
95
95
96

Pressure (mb)

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

Ozone (du)

300
298
296
297
297
295
294
295
296
296
296
296
296
297
297
296
295
296
296
296
297
296
297
297

Tuesday 8

Waning Crescent 10%

04:03

18:36

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

Sun - Rise: 06:30, Set: 19:34, Transit: 13:01. Moon - Rise: 04:03, Set: 18:36. Civil Dark: 20:08 - 05:57. Nautical Dark: 20:49 - 05:16. Astro Dark: 21:33 - 04:32

Total Clouds (% Sky Obscured)

100
100
100
73
56
66
23
18
12
0
0
0
0
0
0
0
19
27
21
35
14
14
19
51

Low Clouds (% Sky Obscured)

89
92
88
73
56
51
16
18
11
0
0
0
0
0
0
0
19
20
15
11
9
10
16
46

Medium Clouds (% Sky Obscured)

100
100
100
73
56
51
5
0
0
0
0
0
0
0
0
0
0
6
2
4
0
0
0
1

High Clouds (% Sky Obscured)

100
100
25
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
3
5
5
2
4
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

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

Precipitation Probability (%)

95
95
95
95
95
44
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.3
1.1
0.4
1.3
1.2
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
7
9
14
13
15
14
15
12
10
9
9
9
9
9
8
8
8
8
7
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
15
16
16
14
11
9
8
8
8
8
8
8
8
8
8
8
8
8
9
8
7

Relative Humidity (%)

95
95
93
93
92
89
76
63
57
58
66
69
72
75
77
81
83
84
87
87
87
88
77
65

Pressure (mb)

1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1011
1012
1012
1013
1013
1013
1014
1014
1014
1015
1016
1016
1017
1017

Ozone (du)

299
302
308
313
327
335
333
332
333
335
335
336
336
336
337
339
340
340
339
338
337
335
335
334

Wednesday 9

Waning Crescent 4%

05:29

18:53

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

Sun - Rise: 06:32, Set: 19:32, Transit: 13:01. Moon - Rise: 05:29, Set: 18:53. Civil Dark: 20:05 - 05:58. Nautical Dark: 20:46 - 05:18. Astro Dark: 21:30 - 04:34

Total Clouds (% Sky Obscured)

60
47
38
46
59
47
45
57
42
35
31
21
69
94
88
100
100
78
98
100
100
88
75
63

Low Clouds (% Sky Obscured)

55
39
23
15
21
12
12
11
15
20
24
17
11
23
21
40
47
61
46
18
21
14
8
3

Medium Clouds (% Sky Obscured)

5
5
5
3
4
3
2
6
2
0
0
0
0
0
0
0
0
0
24
0
20
13
58
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
61
94
76
100
100
34
91
100
100
74
47
21

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
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)

13
12
12
11
10
10
9
9
8
7
5
5
5
5
5
4
4
3
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

15
16
17
18
19
19
19
19
18
17
15
13
12
10
9
9
9
9
9
8
8
7
10
12

Feels Like (°C)

12
13
15
16
17
17
17
18
18
17
14
12
11
10
9
7
7
7
7
7
6
6
8
11

Dew Point (°C)

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

Relative Humidity (%)

56
53
49
46
44
42
42
43
46
57
61
70
79
80
82
84
84
84
82
81
82
84
76
70

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1020
1020
1020

Ozone (du)

332
331
330
330
331
330
328
329
329
325
322
319
318
316
315
313
311
310
309
309
308
308
307
308

Thursday 10

Waning Crescent 1%

06:51

19:07

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:34, Set: 19:29, Transit: 13:01. Moon - Rise: 06:51, Set: 19:07. Civil Dark: 20:03 - 06:00. Nautical Dark: 20:44 - 05:19. Astro Dark: 21:27 - 04:36

Total Clouds (% Sky Obscured)

64
60
63
57
64
85
92
100
100
100
100
100
100
100
98
84
100
94
95
90
86
82
79
74

Low Clouds (% Sky Obscured)

5
8
16
16
14
46
32
75
17
19
61
61
67
74
78
59
93
94
91
83
77
78
79
74

Medium Clouds (% Sky Obscured)

64
60
63
8
8
8
7
92
6
9
97
100
100
60
30
29
27
20
19
21
20
13
7
0

High Clouds (% Sky Obscured)

17
4
0
30
60
85
92
100
100
99
98
97
70
47
2
2
1
0
0
0
0
0
9
5

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

Precipitation Probability (%)

0
0
0
0
0
1
2
0
0
0
14
28
22
40
67
71
71
59
46
23
19
9
27
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
6
7
8
7
8
10
11
11
12
12
12
12
12
12
13
13
13
14
14
13
13
14
14

Relative Humidity (%)

62
52
51
50
46
45
55
61
66
71
79
77
82
82
83
87
93
89
93
92
87
87
87
83

Pressure (mb)

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

Ozone (du)

309
315
314
310
307
305
303
301
298
298
301
307
312
315
319
319
315
313
312
309
309
308
312
313

Friday 11

New Moon 0%

08:12

19:20

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 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:35, Set: 19:27, Transit: 13:00. Moon - Rise: 08:12, Set: 19:20. Civil Dark: 20:01 - 06:02. Nautical Dark: 20:41 - 05:21. Astro Dark: 21:24 - 04:38

Total Clouds (% Sky Obscured)

74
78
81
88
84
99
90
80
72
66
62
58
31
29
30
39
45
53
53
54
60
71
81
91

Low Clouds (% Sky Obscured)

61
60
55
53
53
64
66
69
72
62
22
17
12
12
10
12
9
5
6
3
3
2
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
28
5
5
5
5
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
38
56
73
59
72
47
36
30
25
25
20
1
0
0
11
21
33
33
37
39
40
42
43

ISS Passover

Visibility (miles)

9
9
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 (%)

16
35
44
32
26
10
9
19
3
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)

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

Chance of Frost

Temperature (°C)

18
19
20
21
22
22
21
20
20
19
17
16
14
13
12
11
11
10
9
9
8
8
10
13

Feels Like (°C)

16
18
19
19
20
20
19
18
18
18
17
15
13
13
13
12
11
11
11
10
9
8
8
10

Dew Point (°C)

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

Relative Humidity (%)

79
70
67
62
53
49
53
64
67
69
71
75
79
83
83
84
84
84
84
82
82
82
74
68

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1021
1021
1022
1023
1023
1024
1024
1025
1025
1025
1024
1024
1024
1024
1025
1024
1024

Ozone (du)

311
311
312
314
313
313
312
312
310
309
308
310
308
307
304
303
301
298
296
295
294
293
293
293

Saturday 12

Waxing Crescent 2%

09:30

19:32

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:37, Set: 19:25, Transit: 13:00. Moon - Rise: 09:30, Set: 19:32. Civil Dark: 19:58 - 06:03. Nautical Dark: 20:39 - 05:23. Astro Dark: 21:22 - 04:40

Total Clouds (% Sky Obscured)

84
78
71
64
58
54
68
76
85
91
95
100
99
99
98
97
97
96
95
95
94
90
86
81

Low Clouds (% Sky Obscured)

0
0
0
0
3
4
8
15
17
36
56
75
71
65
59
68
77
85
87
88
89
84
79
74

Medium Clouds (% Sky Obscured)

0
1
1
2
2
3
12
18
24
41
59
75
80
85
89
83
78
73
62
49
26
17
10
5

High Clouds (% Sky Obscured)

40
45
53
56
58
54
68
76
85
91
95
100
87
80
80
76
70
60
44
28
10
7
4
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
6
4
25
41
55
54
52
45
43
40
42
41
40
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
7
9
10
11
11
12
10
9
8
9
10
11
11
12
13
13
13
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
56
50
45
42
38
35
40
45
52
58
63
69
77
82
90
90
92
92
92
90
89
82
77

Pressure (mb)

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

Ozone (du)

293
293
293
293
294
294
294
295
296
298
298
298
298
299
300
301
303
304
306
305
304
303
301
299

Sunday 13

Waxing Crescent 7%

No Rise

19:46

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 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:38, Set: 19:23, Transit: 13:00. Moon - Rise: No Rise, Set: 19:46. Civil Dark: 19:56 - 06:05. Nautical Dark: 20:36 - 05:25. Astro Dark: 21:19 - 04:42

Total Clouds (% Sky Obscured)

85
90
95
91
86
78
72
69
63
64
70
74
74
74
74
61
46
37
45
59
67

Low Clouds (% Sky Obscured)

77
78
80
86
86
78
72
69
63
64
59
41
30
16
4
3
3
3
3
6
10

Medium Clouds (% Sky Obscured)

5
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
2
1
20
39
57

High Clouds (% Sky Obscured)

10
18
27
29
27
25
48
68
63
64
69
62
60
59
57
33
18
6
12
20
29

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

Fog (%)

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

Precipitation Probability (%)

30
23
13
11
7
0
2
2
0
2
2
2
0
0
0
0
0
0
1
1
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

Wind Speed/Direction (mph)

14
14
14
15
14
13
12
11
9
8
8
7
7
6
5
4
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
66
64
63
61
60
61
63
63
70
79
87
89
90
92
93
93
93
90
90

Pressure (mb)

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

Ozone (du)

297
296
294
292
291
289
287
287
286
286
284
283
281
280
279
278
277
276
275
276
278

Forecast for Basingstoke, Hampshire, United Kingdom (51.26,-1.09)

Generated: 07/09/26 10:56:30. Forecast: 07/09/26 to 13/09/26. Timezone: UTC+1.00