Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

02:22

18:15

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
21 Bad

Sun - Rise: 06:45, Set: 19:11, Transit: 12:58. Moon - Rise: 02:22, Set: 18:15. Civil Dark: 19:44 - 06:12. Nautical Dark: 20:23 - 05:32. Astro Dark: 21:05 - 04:51

Total Clouds (% Sky Obscured)

98
99
99
96
75
92
87
98
95
65
82
95
89
96
100
100
100
100
99
67
54
83
100
100

Low Clouds (% Sky Obscured)

94
96
90
81
75
85
79
83
88
63
80
91
72
95
81
81
73
77
74
63
54
55
61
72

Medium Clouds (% Sky Obscured)

19
17
15
19
0
15
13
49
51
2
2
5
16
2
2
1
0
10
2
3
2
2
4
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
26
39
52
65
70
100
92
26
43
81
100
100

ISS Passover

Visibility (miles)

9
2
1
0
1
1
1
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
1
13
2
3
12
1
0
0
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
16
16
14
14
14
14
14
14
14
15
15
15
16

Relative Humidity (%)

95
96
96
96
95
96
95
95
95
95
92
88
83
73
69
67
67
67
68
69
76
83
90
95

Pressure (mb)

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

Ozone (du)

265
265
265
265
263
261
261
261
262
260
260
260
260
258
258
259
260
262
263
264
262
261
261
261

Thursday 18

Waning Crescent 6%

03:44

18:29

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 OK
12 OK
13 Good
14 OK
15 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 OK

Sun - Rise: 06:47, Set: 19:08, Transit: 12:57. Moon - Rise: 03:44, Set: 18:29. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:21 - 05:34. Astro Dark: 21:02 - 04:53

Total Clouds (% Sky Obscured)

100
100
89
75
64
54
65
61
66
65
63
54
87
35
26
9
24
31
17
26
4
4
1
22

Low Clouds (% Sky Obscured)

71
70
72
66
61
54
65
61
66
65
63
53
47
33
24
8
20
31
13
22
0
0
0
19

Medium Clouds (% Sky Obscured)

0
4
5
3
3
3
3
20
59
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
82
57
44
53
45
4
34
38
40
36
71
34
26
5
21
20
17
12
4
4
1
12

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
1
2

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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
15
15
15
15
16
17
19
20
21
23
23
23
23
22
21
18
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
96
96
96
96
96
96
93
85
76
68
60
51
45
43
44
48
56
66
69
68

Pressure (mb)

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

Ozone (du)

260
261
260
260
259
259
259
260
260
261
262
262
262
262
262
262
261
261
261
261
262
262
262
263

Friday 19

Waning Crescent 2%

05:01

18:41

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

Sun - Rise: 06:48, Set: 19:06, Transit: 12:57. Moon - Rise: 05:01, Set: 18:41. Civil Dark: 19:39 - 06:15. Nautical Dark: 20:18 - 05:36. Astro Dark: 20:59 - 04:55

Total Clouds (% Sky Obscured)

50
68
100
93
83
79
36
52
66
82
93
100
94
100
100
100
100
95
100
100
99
85
71
56

Low Clouds (% Sky Obscured)

36
30
23
30
32
29
33
33
40
46
43
45
46
63
62
62
61
62
59
52
62
56
52
47

Medium Clouds (% Sky Obscured)

13
15
17
15
20
23
11
38
66
76
84
88
88
90
93
84
87
40
91
17
31
3
35
53

High Clouds (% Sky Obscured)

18
37
91
82
28
35
33
33
25
25
52
100
60
100
100
100
96
93
88
100
94
66
38
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
9
9
9
9

Fog (%)

2
4
23
4
16
9
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
0
0
2
0
0
0
0
0
0
0
0
5
11
5
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)

5
4
4
3
4
3
3
3
3
3
3
5
8
9
9
10
12
13
15
13
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
64
64
64
65
68
69
70
68
67
62
57
61
62
68
58
56
50
55
63
72
79
92

Pressure (mb)

1016
1016
1015
1014
1014
1013
1013
1012
1011
1011
1011
1011
1010
1010
1010
1010
1009
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

262
262
262
262
262
263
263
263
263
262
263
262
261
261
261
261
261
260
261
262
263
264
265
266

Saturday 20

Waning Crescent 0%

06:16

18:51

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 OK
17 OK
18 Good
19 Good
20 OK
21 OK

Sun - Rise: 06:50, Set: 19:04, Transit: 12:57. Moon - Rise: 06:16, Set: 18:51. Civil Dark: 19:37 - 06:17. Nautical Dark: 20:16 - 05:37. Astro Dark: 20:57 - 04:57

Total Clouds (% Sky Obscured)

55
55
55
55
55
58
64
71
77
72
87
90
93
94
80
59
51
47
34
23
0
10
20
30

Low Clouds (% Sky Obscured)

48
49
52
51
52
52
54
59
64
63
74
79
82
83
74
51
41
35
25
23
0
6
13
20

Medium Clouds (% Sky Obscured)

23
5
1
0
0
0
9
18
23
25
23
25
22
20
20
21
16
9
7
3
0
5
9
11

High Clouds (% Sky Obscured)

10
9
15
10
10
10
10
3
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 (%)

3
3
2
22
15
21
7
13
7
6
3
1
2
1
1
2
3
2
1
9
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)

15
14
15
15
18
18
19
17
17
16
14
14
13
13
13
14
14
13
12
10
8
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
10
11
12
11
10
9
9
7
7
6
5
5
5
5
4
3
5
5
6
6
7
8
8

Relative Humidity (%)

87
78
83
90
90
87
84
87
77
75
73
64
62
60
58
50
48
52
52
58
63
75
83
87

Pressure (mb)

1006
1006
1007
1007
1007
1006
1007
1007
1008
1009
1010
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1016

Ozone (du)

267
269
270
272
272
275
276
276
278
279
280
280
281
283
282
284
286
288
289
291
294
295
295
294

Sunday 21

New Moon 1%

07:29

19:01

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

Sun - Rise: 06:51, Set: 19:01, Transit: 12:56. Moon - Rise: 07:29, Set: 19:01. Civil Dark: 19:34 - 06:18. Nautical Dark: 20:14 - 05:39. Astro Dark: 20:54 - 04:58

Total Clouds (% Sky Obscured)

44
40
40
33
34
27
20
12
5
14
21
29
36
43
50
44
38
34
52
67
74
66
58
42

Low Clouds (% Sky Obscured)

13
13
25
5
5
5
0
0
0
10
20
29
36
43
50
42
34
26
17
9
0
6
11
17

Medium Clouds (% Sky Obscured)

14
18
23
21
17
15
10
5
0
0
0
0
0
0
1
5
9
10
18
29
39
29
18
9

High Clouds (% Sky Obscured)

10
15
15
0
0
0
0
0
0
0
0
0
0
5
15
11
17
26
30
27
12
6
3
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
1
1
2
2
1
2
3
3
6
7
6
13
14
14
27
34
33
28
21
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)

3
4
4
4
4
4
5
6
6
6
7
8
9
10
11
11
12
12
13
12
10
9
8
7

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
8
8
8
8
9
11
12
14
15
16
16
16
16
15
14
13
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
81
80
80
81
79
75
74
70
64
57
52
49
47
50
53
57
64
71
79
77
75

Pressure (mb)

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

Ozone (du)

296
299
300
302
305
307
307
308
308
307
309
312
314
313
313
312
312
311
311
311
312
312
312
312

Monday 22

Waxing Crescent 3%

08:41

19:12

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
21 Bad

Sun - Rise: 06:53, Set: 18:59, Transit: 12:56. Moon - Rise: 08:41, Set: 19:12. Civil Dark: 19:32 - 06:20. Nautical Dark: 20:11 - 05:41. Astro Dark: 20:52 - 05:00

Total Clouds (% Sky Obscured)

41
44
48
48
49
50
65
80
91
82
74
71
77
79
86
91
95
98
99
99
100
95
93
97

Low Clouds (% Sky Obscured)

24
31
42
40
48
50
60
64
66
58
51
43
52
57
63
69
78
80
71
62
53
55
57
59

Medium Clouds (% Sky Obscured)

6
4
1
2
3
5
11
18
20
10
10
5
5
5
5
10
54
63
69
64
60
40
20
15

High Clouds (% Sky Obscured)

4
6
8
12
13
13
35
64
91
82
74
71
77
79
86
91
95
90
90
90
85
75
70
51

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
9
7
8
5
0
12
10
6
24
32
36
38
40
41
45
47
45
41
36
30
34
36
38

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
4
4
4
3
4
3
2
2
2
2
2
2
2
2
1
1
1
2
3

Relative Humidity (%)

74
74
76
76
74
72
70
73
74
77
69
62
56
53
49
46
44
44
44
45
45
46
52
59

Pressure (mb)

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

Ozone (du)

312
311
310
309
310
310
311
311
312
312
313
313
314
313
313
313
313
313
314
313
313
313
312
310

Tuesday 23

Waxing Crescent 7%

09:54

19:25

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

Sun - Rise: 06:54, Set: 18:57, Transit: 12:56. Moon - Rise: 09:54, Set: 19:25. Civil Dark: 19:30 - 06:21. Nautical Dark: 20:09 - 05:43. Astro Dark: 20:49 - 05:02

Total Clouds (% Sky Obscured)

97
96
96
96
96
96
96
95
95
95
90
85
73
62
56
61
69
78
83
89
95

Low Clouds (% Sky Obscured)

61
64
66
69
73
76
73
71
69
69
49
38
41
44
47
56
65
72
56
33
5

Medium Clouds (% Sky Obscured)

10
5
10
10
15
15
15
10
10
5
1
1
1
0
2
5
12
18
27
45
44

High Clouds (% Sky Obscured)

34
18
1
18
36
54
57
52
41
29
17
5
4
2
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

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

Precipitation Probability (%)

44
49
46
45
48
51
44
50
61
47
37
35
26
15
4
5
4
2
5
6
6

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
6
8
7
7
7
7
7
6
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

66
73
80
88
90
90
91
93
93
91
82
74
67
61
55
50
50
50
51
54
56

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1022

Ozone (du)

309
309
308
308
307
306
306
305
304
303
302
301
299
299
298
298
298
298
298
298
297

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

Generated: 17/09/25 22:21:57. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00