Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

02:29

18:16

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

Sun - Rise: 06:49, Set: 19:14, Transit: 13:01. Moon - Rise: 02:29, Set: 18:16. Civil Dark: 19:46 - 06:16. Nautical Dark: 20:28 - 05:37. Astro Dark: 21:09 - 04:56

Total Clouds (% Sky Obscured)

95
82
84
65
71
79
71
85
83
66
76
95
94
92
87
82
76
59
58
63
55
48
64
65

Low Clouds (% Sky Obscured)

88
80
80
65
70
74
70
72
80
55
75
91
89
84
84
77
62
59
58
63
55
48
57
65

Medium Clouds (% Sky Obscured)

3
22
0
0
2
9
2
18
7
21
3
33
13
12
6
7
13
2
3
3
3
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
8
1
16
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
14
13
0
0
0
0
1
14
4
16
17
16
14
1
2
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)

17
16
16
15
14
14
14
15
15
16
15
14
15
15
16
17
18
18
18
18
17
16
13
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
93
95
95
93
95
93
93
92
88
86
83
80
77
76
71
70
72
75
80
84
92

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

257
256
256
255
255
256
256
256
256
257
256
256
256
256
255
255
256
257
258
258
260
261
261
260

Thursday 18

Waning Crescent 6%

03:49

18:31

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

Sun - Rise: 06:50, Set: 19:12, Transit: 13:01. Moon - Rise: 03:49, Set: 18:31. Civil Dark: 19:44 - 06:18. Nautical Dark: 20:25 - 05:39. Astro Dark: 21:06 - 04:58

Total Clouds (% Sky Obscured)

63
60
66
64
86
100
90
13
2
0
0
0
0
4
8
26
63
52
66
75
69
50
43
13

Low Clouds (% Sky Obscured)

61
53
54
51
65
30
21
12
1
0
0
0
0
4
8
22
44
38
66
75
63
50
43
10

Medium Clouds (% Sky Obscured)

3
3
3
3
3
3
39
13
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

14
25
39
47
68
100
75
13
2
0
0
0
0
2
8
19
31
20
8
5
15
8
6
13

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
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
16
15
15
15
15
15
16
15
16
19
20
19
20
21
21
20
20
19
19
17

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
95
95
95
93
95
95
92
83
77
74
69
67
64
61
59
60
69
77

Pressure (mb)

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

Ozone (du)

259
258
258
259
261
264
265
266
265
264
264
263
263
264
264
264
264
263
263
263
264
265
266
267

Friday 19

Waning Crescent 2%

05:06

18:43

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

Sun - Rise: 06:52, Set: 19:09, Transit: 13:01. Moon - Rise: 05:06, Set: 18:43. Civil Dark: 19:42 - 06:19. Nautical Dark: 20:23 - 05:40. Astro Dark: 21:04 - 05:00

Total Clouds (% Sky Obscured)

17
54
96
42
32
100
11
6
49
98
92
91
100
100
83
91
91
67
39
19
17
15
16
52

Low Clouds (% Sky Obscured)

0
1
7
14
11
10
5
0
46
83
66
77
90
88
71
57
58
40
22
4
8
11
15
38

Medium Clouds (% Sky Obscured)

7
25
11
8
10
10
4
0
5
8
30
1
54
65
9
14
0
3
32
19
17
14
2
14

High Clouds (% Sky Obscured)

17
25
85
33
15
100
10
6
10
70
57
79
100
99
53
73
76
54
25
12
10
1
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
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
3
35
63
25
13
20
10
8
6
9
9
6
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
3
4
5
4
5
4
5
6
9
10
13
14
15
16
15
16
15
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
76
76
79
80
82
87
89
90
90
92
89
82
74
69
66
63
61
61
68
76
85
89

Pressure (mb)

1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1011
1011
1011

Ozone (du)

267
267
267
268
269
268
268
269
272
273
272
271
270
270
270
270
270
270
270
270
271
271
273
275

Saturday 20

Waning Crescent 0%

06:20

18:55

20 Bad
21 Bad
22 Bad
23 OK
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

Sun - Rise: 06:53, Set: 19:07, Transit: 13:00. Moon - Rise: 06:20, Set: 18:55. Civil Dark: 19:40 - 06:21. Nautical Dark: 20:21 - 05:42. Astro Dark: 21:01 - 05:02

Total Clouds (% Sky Obscured)

66
82
71
22
27
51
60
64
67
68
71
33
35
44
65
89
96
98
99
100
100
100
96
99

Low Clouds (% Sky Obscured)

33
43
32
21
18
18
16
8
12
15
19
15
14
18
29
44
50
48
45
42
51
59
61
65

Medium Clouds (% Sky Obscured)

25
36
23
10
0
6
10
16
19
21
25
30
33
39
46
58
61
64
67
70
74
74
69
81

High Clouds (% Sky Obscured)

10
10
10
1
1
9
10
1
4
7
11
7
3
0
0
0
0
20
50
80
56
36
9
36

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
8
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 (%)

18
23
21
24
32
29
27
24
28
32
34
34
40
37
30
16
8
25
28
23
31
34
31
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
77
77
80
83
83
79
75
76
79
80
80
72
69
71
64
58
58
60
68
76
75
76

Pressure (mb)

1012
1012
1013
1013
1013
1012
1013
1013
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

278
280
280
279
279
279
279
281
281
283
284
286
288
290
291
292
293
297
299
303
304
309
312
311

Sunday 21

New Moon 1%

07:32

19:05

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

Sun - Rise: 06:55, Set: 19:05, Transit: 13:00. Moon - Rise: 07:32, Set: 19:05. Civil Dark: 19:37 - 06:22. Nautical Dark: 20:18 - 05:44. Astro Dark: 20:58 - 05:04

Total Clouds (% Sky Obscured)

98
81
96
99
98
89
79
68
59
47
36
83
86
88
90
92
94
91
88
85
85
85
84
75

Low Clouds (% Sky Obscured)

70
78
70
63
55
46
39
29
27
17
6
63
71
78
81
84
87
81
74
68
59
50
42
37

Medium Clouds (% Sky Obscured)

69
65
60
62
63
72
46
35
32
21
2
32
23
22
27
33
41
52
62
73
57
39
20
12

High Clouds (% Sky Obscured)

63
81
90
90
86
67
32
1
8
7
1
3
3
5
6
12
20
20
20
20
19
19
18
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
7
9
9
9
9
7
5
3
4
6
7
8
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
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

57
58
72
73
72
53
47
49
54
59
41
48
49
47
57
64
73
68
71
80
71
59
39
47

Precipitation Amount (mm)

0
0
0.3
0.4
0.4
0
0
0
0.2
0.3
0
0
0
0
0.3
0.4
0.5
0.4
0.5
0.6
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
79
81
83
83
85
85
84
83
83
81
84
84
83
81
80
82
83
76
73
68
70
72
75

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

308
307
307
307
307
310
310
311
312
314
315
316
316
315
315
315
315
315
316
317
317
318
319
319

Monday 22

Waxing Crescent 3%

08:44

19:17

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

Sun - Rise: 06:56, Set: 19:03, Transit: 12:59. Moon - Rise: 08:44, Set: 19:17. Civil Dark: 19:35 - 06:24. Nautical Dark: 20:16 - 05:45. Astro Dark: 20:56 - 05:05

Total Clouds (% Sky Obscured)

56
38
48
62
72
71
83
97
96
94
92
90
88
89
93
96
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

32
27
28
30
30
22
13
12
12
12
8
15
19
25
37
50
62
64
65
65
77
88
100
97

Medium Clouds (% Sky Obscured)

8
7
9
9
5
34
63
93
94
94
91
76
51
28
26
11
20
36
43
51
62
68
76
54

High Clouds (% Sky Obscured)

4
1
3
0
0
33
67
97
96
94
92
70
44
26
56
77
99
99
100
100
69
41
15
15

ISS Passover

Visibility (miles)

8
7
6
7
8
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
Very Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

47
42
41
40
37
31
24
9
12
9
4
6
6
6
30
41
41
51
60
70
63
55
55
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
8
8
8
7
7
7
7
7
7
7
8
8
9
9
9
8
8
8
7
7

Relative Humidity (%)

79
83
87
86
84
84
84
85
84
85
85
87
82
77
72
72
75
75
72
70
67
67
64
64

Pressure (mb)

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

Ozone (du)

319
318
318
318
318
318
318
318
318
317
317
317
317
316
316
316
315
315
315
314
314
314
315
316

Tuesday 23

Waxing Crescent 7%

09:55

19:30

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:58, Set: 19:00, Transit: 12:59. Moon - Rise: 09:55, Set: 19:30. Civil Dark: 19:33 - 06:25. Nautical Dark: 20:14 - 05:47. Astro Dark: 20:53 - 05:07

Total Clouds (% Sky Obscured)

98
96
92
88
92
90
88
87
90
93
95
96
97
98
97
96
96

Low Clouds (% Sky Obscured)

95
92
76
59
42
40
40
35
35
38
41
42
49
56
66
77
88

Medium Clouds (% Sky Obscured)

33
12
17
21
24
42
59
74
78
79
77
72
70
64
66
68
74

High Clouds (% Sky Obscured)

39
42
52
54
40
20
15
10
17
20
27
26
33
32
61
58
60

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

51
41
41
32
12
19
18
9
21
22
14
44
51
51
75
94
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
6
6
6
6
6
6
6
6
7
7
8
8
8

Relative Humidity (%)

67
71
73
75
74
74
76
77
77
80
84
85
87
90
90
90
90

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

316
316
317
317
318
318
319
320
321
322
324
326
326
325
325
325
325

Forecast for Swanage, Dorset, United Kingdom (50.61,-1.96)

Generated: 17/09/25 19:48:19. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00