Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:55

18:24

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: 06:56, Set: 19:20, Transit: 13:08. Moon - Rise: 03:55, Set: 18:24. Civil Dark: 19:53 - 06:23. Nautical Dark: 20:33 - 05:44. Astro Dark: 21:14 - 05:03

Total Clouds (% Sky Obscured)

97
96
93
98
100
86
66
100
81
81
91
93
97
85
88
87
86
84
77
79
97
96
91
88

Low Clouds (% Sky Obscured)

93
85
65
84
70
63
58
71
81
71
79
79
91
83
83
79
72
68
70
79
89
85
75
79

Medium Clouds (% Sky Obscured)

1
2
1
1
0
0
0
62
28
21
7
0
20
26
26
23
22
19
13
18
11
10
44
60

High Clouds (% Sky Obscured)

17
70
39
32
99
86
66
100
33
43
56
76
79
18
20
50
73
39
29
22
50
50
30
30

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 (%)

9
31
0
3
1
0
0
0
0
0
1
0
0
0
0
0
0
72
0
1
0
70
32
1

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 (%)

2
0
0
5
17
3
7
4
2
2
2
1
1
1
1
1
0
1
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
16
16
18
17
17
17
15
13
11
9
9
8
8
8
8
7
7
6
6
5
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
80
76
76
72
73
80
83
90
96
98
98
98
96
98
98
100
100
100
96
100
98
93

Pressure (mb)

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

Ozone (du)

266
266
265
265
265
264
262
261
261
259
259
257
257
257
258
258
258
259
259
259
261
262
262
264

Friday 19

Waning Crescent 6%

05:12

18:38

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: 06:58, Set: 19:18, Transit: 13:07. Moon - Rise: 05:12, Set: 18:38. Civil Dark: 19:51 - 06:25. Nautical Dark: 20:30 - 05:46. Astro Dark: 21:11 - 05:05

Total Clouds (% Sky Obscured)

89
88
100
81
58
75
78
99
93
92
77
80
80
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

81
81
81
79
58
75
73
50
36
44
50
58
62
67
72
84
82
69
67
80
76
89
79
87

Medium Clouds (% Sky Obscured)

60
40
3
12
4
10
6
0
0
0
0
0
49
62
51
26
49
84
74
48
79
88
53
55

High Clouds (% Sky Obscured)

35
30
99
24
7
4
20
98
84
86
72
65
65
100
100
100
100
100
100
100
100
99
38
97

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
2
100
100
100
100
100
94
100
49
3

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
1
0
1
3
6
5
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
79
72
67
63
58
56
63
73
83
90
92
93
93
95
93
93
93
92
92
92
92
92
92

Pressure (mb)

1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

265
266
268
269
269
269
268
268
268
268
269
268
270
270
270
272
272
271
269
269
267
268
268
269

Saturday 20

Waning Crescent 2%

06:27

18:50

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 07:00, Set: 19:16, Transit: 13:07. Moon - Rise: 06:27, Set: 18:50. Civil Dark: 19:49 - 06:27. Nautical Dark: 20:28 - 05:48. Astro Dark: 21:09 - 05:07

Total Clouds (% Sky Obscured)

100
100
98
98
97
99
87
39
30
83
85
74
87
80
63
86
88
95
85
70
64
73
69
65

Low Clouds (% Sky Obscured)

64
69
78
83
81
91
87
39
30
79
82
74
85
78
62
86
88
90
72
60
51
63
62
63

Medium Clouds (% Sky Obscured)

71
82
87
81
90
55
18
2
0
0
0
0
0
0
0
0
0
8
30
21
23
14
7
0

High Clouds (% Sky Obscured)

26
100
91
77
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

3
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

Very Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

58
95
95
51
54
60
32
20
2
3
16
11
25
10
6
12
27
15
26
11
22
20
6
19

Precipitation Amount (mm)

0.2
1
0.6
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
14
14
15
15
17
19
20
18
18
18
22
21
20
19
19
18
16
14
15
16
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
13
13
12
10
9
8
6
6
4
4
4
5
5
4
4
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

86
77
69
67
71
77
79
83
80
81
83
81
81
81
81
84
76
76
76
81
84
85
88
84

Pressure (mb)

1009
1009
1008
1007
1006
1005
1004
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1008
1009
1010

Ozone (du)

270
270
270
271
271
273
278
286
286
287
289
291
293
296
299
301
304
305
305
308
308
308
310
314

Sunday 21

New Moon 0%

07:39

19:01

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: 07:01, Set: 19:13, Transit: 13:07. Moon - Rise: 07:39, Set: 19:01. Civil Dark: 19:46 - 06:28. Nautical Dark: 20:25 - 05:49. Astro Dark: 21:06 - 05:09

Total Clouds (% Sky Obscured)

55
59
73
94
95
96
93
90
81
86
73
84
78
72
65
65
65
65
66
67
64
61
61
55

Low Clouds (% Sky Obscured)

53
53
63
77
80
81
74
65
57
64
59
66
62
55
47
49
51
53
54
57
58
61
58
55

Medium Clouds (% Sky Obscured)

14
28
46
77
61
61
65
38
31
52
33
70
64
56
11
38
43
40
7
3
4
37
10
30

High Clouds (% Sky Obscured)

0
0
0
24
5
25
30
27
2
23
1
34
12
29
50
3
2
47
3
34
28
33
45
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
6
6
7
6
7
3
6
5

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

Precipitation Probability (%)

4
4
7
16
28
14
42
30
25
25
26
12
22
29
26
35
46
45
44
43
58
60
45
42

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0.3
0.4
0
0

Wind Speed/Direction (mph)

17
19
21
20
19
17
14
12
11
11
10
9
10
9
10
9
10
10
11
15
16
17
19
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
6
6
6
8
9
8
8
7
7
6
6
5
5
5
6
5
3
2
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

80
66
64
69
75
84
87
90
88
88
88
88
87
85
88
93
95
96
95
96
95
96
95
95

Pressure (mb)

1010
1010
1010
1011
1011
1011
1010
1011
1012
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018

Ozone (du)

318
318
316
313
313
311
310
311
312
314
316
315
316
318
318
317
317
317
317
316
316
316
318
318

Monday 22

Waxing Crescent 1%

08:51

19:11

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

Sun - Rise: 07:03, Set: 19:11, Transit: 13:06. Moon - Rise: 08:51, Set: 19:11. Civil Dark: 19:44 - 06:30. Nautical Dark: 20:23 - 05:51. Astro Dark: 21:03 - 05:11

Total Clouds (% Sky Obscured)

54
51
50
54
53
47
38
40
45
41
29
29
42
26
21
20
16
16
15
16
16
18
20
22

Low Clouds (% Sky Obscured)

54
51
50
48
39
33
34
35
33
32
20
16
26
24
21
20
16
16
15
16
16
18
20
22

Medium Clouds (% Sky Obscured)

25
25
25
6
2
0
1
3
4
2
1
0
0
0
0
0
0
0
0
1
2
3
4
5

High Clouds (% Sky Obscured)

40
4
1
0
0
0
0
0
0
0
0
0
0
0
2
2
3
4
4
3
3
4
8
15

ISS Passover

Visibility (miles)

2
2
1
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 (%)

33
32
17
9
10
8
5
5
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)

21
21
20
21
20
19
18
16
15
14
13
12
11
11
9
9
8
7
6
6
5
5
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
95
93
88
83
77
72
71
69
71
71
68
72
77
79
81
85
84
84
82
75
69

Pressure (mb)

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

Ozone (du)

319
319
317
316
316
315
313
312
312
311
310
309
307
306
305
304
303
302
301
301
301
301
301
301

Tuesday 23

Waxing Crescent 3%

10:03

19:22

10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 OK
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: 07:04, Set: 19:09, Transit: 13:06. Moon - Rise: 10:03, Set: 19:22. Civil Dark: 19:42 - 06:31. Nautical Dark: 20:21 - 05:53. Astro Dark: 21:01 - 05:13

Total Clouds (% Sky Obscured)

28
34
45
54
42
38
50
59
71
78
85
93
84
76
70
69
72
73
78
83
96
96
100
100

Low Clouds (% Sky Obscured)

28
34
45
54
42
38
38
37
37
52
66
79
78
76
70
69
72
73
67
60
57
53
52
53

Medium Clouds (% Sky Obscured)

13
28
45
41
35
26
32
36
44
35
25
23
28
36
59
58
61
56
58
55
47
32
26
20

High Clouds (% Sky Obscured)

14
11
7
6
5
4
23
42
67
45
23
0
29
57
70
69
69
53
66
78
90
90
90
95

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
Very Light Rain

Precipitation Probability (%)

0
1
0
3
5
5
9
12
13
16
16
14
15
13
7
28
36
40
41
42
42
41
44
50

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
0.2

Wind Speed/Direction (mph)

10
10
11
12
12
11
11
9
7
5
5
5
5
5
6
7
7
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
63
63
63
62
62
68
73
80
81
80
81
82
84
84
87
88
90
90
90
90
81
74

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

302
301
301
300
301
301
302
301
301
300
299
299
299
298
298
298
298
298
299
299
299
299
299
299

Wednesday 24

Waxing Crescent 7%

10:03

19:35

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

Sun - Rise: 07:06, Set: 19:07, Transit: 13:05. Moon - Rise: 10:03, Set: 19:35. Civil Dark: 19:39 - 06:33. Nautical Dark: 20:18 - 05:54. Astro Dark: 20:58 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
77
72
68
69
65
62
75
72
77

Low Clouds (% Sky Obscured)

67
79
90
94
97
95
83
60
42
42
47
48
48
48
65
69
65
62
75
72
77

Medium Clouds (% Sky Obscured)

23
21
18
19
21
17
18
24
30
30
30
35
50
50
60
65
60
40
40
35
30

High Clouds (% Sky Obscured)

64
33
0
33
67
100
95
95
91
67
47
32
33
43
67
69
65
62
75
72
77

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
Very Light Rain

Precipitation Probability (%)

45
41
35
29
24
19
23
23
14
22
30
13
21
25
17
26
30
36
42
50
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
13
15
15
15
15
13
12
10
10
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

8
8
9
10
16
15
14
14
15
14
9
9
9
9
9
9
9
9
10
10
10

Dew Point (°C)

5
5
5
5
6
6
6
5
5
5
5
5
5
6
6
7
7
6
6
6
6

Relative Humidity (%)

67
62
57
52
53
53
53
58
64
71
73
76
77
81
84
88
87
84
82
82
81

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

299
299
298
298
298
298
298
297
295
294
294
294
294
293
293
293
293
294
294
294
294

Forecast for Dulverton, Somerset, United Kingdom (51.04,-3.55)

Generated: 18/09/25 10:10:59. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00