Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:07

17:29

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

Sun - Rise: 06:47, Set: 19:18, Transit: 13:02. Moon - Rise: 01:07, Set: 17:29. Civil Dark: 19:51 - 06:14. Nautical Dark: 20:30 - 05:35. Astro Dark: 21:11 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
96
96
96
99
99
100
100
100
100
92
98

Low Clouds (% Sky Obscured)

55
54
61
29
44
88
47
62
63
92
69
77
97
91
89
91
89
99
100
100
100
100
92
95

Medium Clouds (% Sky Obscured)

99
99
98
96
94
79
96
99
95
100
100
100
99
89
86
64
48
39
57
42
36
40
40
30

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
49
9
7
7
4
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
4
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
22
15
18
40
50
43
64
87
95
83
78
31
33
26
34
22
4
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.4
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
10
8
7
7
7
7
9
9
10
12
15
16
18
20
21
21
20
19
19
19
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
64
68
75
79
80
76
79
79
86
86
89
92
92
87
89
89
89
89
89
90
86
81

Pressure (mb)

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

Ozone (du)

275
271
271
269
267
265
264
261
259
256
256
257
257
257
258
258
258
259
260
260
262
263
266
264

Wednesday 17

Waning Crescent 12%

02:29

17:56

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

Sun - Rise: 06:49, Set: 19:16, Transit: 13:01. Moon - Rise: 02:29, Set: 17:56. Civil Dark: 19:49 - 06:16. Nautical Dark: 20:28 - 05:37. Astro Dark: 21:09 - 04:56

Total Clouds (% Sky Obscured)

94
95
93
82
68
78
83
75
83
75
72
74
85
80
79
74
77
73
74
79
73
81
76
61

Low Clouds (% Sky Obscured)

88
88
86
81
64
75
83
75
83
75
72
74
85
76
79
74
77
73
74
78
73
81
76
61

Medium Clouds (% Sky Obscured)

31
25
17
0
1
1
0
0
0
0
0
0
0
6
0
0
0
0
0
3
1
1
1
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
11
1
0
14
0
0
13
0
0
1
13
17
6
17
4
6
9
0
2
1
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)

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

Chance of Frost

Temperature (°C)

18
18
18
17
17
17
17
18
17
17
17
17
17
17
17
17
17
18
18
20
20
20
20
20

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
15
15
15
16
16
15
15
16
16
16
16
16
16
16
16
15
15
15
15

Relative Humidity (%)

80
82
86
86
86
86
88
86
89
90
90
92
95
95
95
95
92
89
83
77
76
74
72
74

Pressure (mb)

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

Ozone (du)

262
262
261
260
259
259
259
260
260
259
258
258
257
257
257
258
258
258
257
257
257
258
259
259

Thursday 18

Waning Crescent 6%

03:49

18:16

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

Sun - Rise: 06:50, Set: 19:14, Transit: 13:01. Moon - Rise: 03:49, Set: 18:16. Civil Dark: 19:46 - 06:18. Nautical Dark: 20:25 - 05:39. Astro Dark: 21:06 - 04:58

Total Clouds (% Sky Obscured)

50
16
33
44
50
51
84
80
93
92
49
34
18
5
2
27
5
10
10
3
10
43
59
85

Low Clouds (% Sky Obscured)

50
16
33
44
50
46
55
64
67
64
14
32
17
1
0
0
0
0
0
0
0
3
7
10

Medium Clouds (% Sky Obscured)

13
0
1
0
0
0
0
0
0
0
0
0
2
2
2
2
2
0
10
3
10
43
3
0

High Clouds (% Sky Obscured)

1
0
1
18
30
28
68
52
74
72
41
4
2
5
2
27
5
10
10
3
10
42
59
81

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)

16
15
12
10
7
7
6
6
5
4
4
4
4
4
4
4
3
4
6
7
8
9
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
81
89
95
95
95
96
96
95
95
95
95
95
95
93
90
83
76
70
65
64
62
59

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 2%

05:06

18:31

16 Bad
17 OK
18 Good
19 OK
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

Sun - Rise: 06:52, Set: 19:12, Transit: 13:01. Moon - Rise: 05:06, Set: 18:31. Civil Dark: 19:44 - 06:19. Nautical Dark: 20:23 - 05:40. Astro Dark: 21:04 - 05:00

Total Clouds (% Sky Obscured)

73
39
15
34
50
70
68
100
100
100
100
99
98
97
95
97
98
100
100
100
94
99
98
96

Low Clouds (% Sky Obscured)

7
3
0
0
0
0
2
5
7
19
30
44
44
45
45
49
49
49
53
59
62
46
60
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
0
9
17
27
32
40
48
50
50
50
57
69
72
50
25
28

High Clouds (% Sky Obscured)

71
38
14
34
50
70
68
100
100
100
100
99
79
57
36
58
80
100
100
100
91
98
94
90

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
10
15
22
16
12
37
59
72
66
56
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
7
6
5
5
4
4
4
5
5
4
4
4
5
5
5
7
9
10
10
11
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
67
71
82
87
87
86
84
83
83
87
92
92
92
93
93
92
86
82
77
73
72
71
72

Pressure (mb)

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

Ozone (du)

265
265
264
264
264
265
264
263
266
267
268
268
267
268
269
268
268
267
266
266
266
266
266
267

Saturday 20

Waning Crescent 0%

06:20

18:43

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 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK

Sun - Rise: 06:53, Set: 19:09, Transit: 13:00. Moon - Rise: 06:20, Set: 18:43. Civil Dark: 19:42 - 06:21. Nautical Dark: 20:21 - 05:42. Astro Dark: 21:01 - 05:02

Total Clouds (% Sky Obscured)

83
72
57
60
66
65
58
66
71
57
36
29
34
41
32
61
55
49
49
49
49
32
16
0

Low Clouds (% Sky Obscured)

47
49
47
47
52
62
58
63
67
57
36
29
34
37
32
46
34
24
33
42
49
32
16
0

Medium Clouds (% Sky Obscured)

19
25
37
37
27
0
5
11
16
12
5
0
4
8
11
13
11
12
7
4
0
0
0
0

High Clouds (% Sky Obscured)

67
36
10
10
10
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 (%)

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 (%)

26
14
8
19
18
26
13
12
11
16
18
10
6
4
3
20
22
24
24
21
21
21
22
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
14
14
13
11
11
9
9
10
9
9
9
9
9
9
8
9
10
11
12
13
10
10

Dew Point (°C)

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

Relative Humidity (%)

76
86
90
85
87
86
89
86
87
81
88
88
87
85
78
78
72
67
63
62
63
63
63
64

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

267
268
269
270
272
277
278
279
280
280
283
284
285
287
289
292
296
300
303
305
308
310
312
314

Sunday 21

New Moon 1%

07:32

18:55

16 OK
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 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:55, Set: 19:07, Transit: 13:00. Moon - Rise: 07:32, Set: 18:55. Civil Dark: 19:40 - 06:22. Nautical Dark: 20:18 - 05:44. Astro Dark: 20:58 - 05:04

Total Clouds (% Sky Obscured)

15
32
44
60
75
80
81
80
76
65
63
61
60
56
56
54
48
38
51
67
84
89
92
95

Low Clouds (% Sky Obscured)

15
15
15
27
39
51
49
48
43
39
35
30
24
19
14
18
24
28
45
64
84
69
54
43

Medium Clouds (% Sky Obscured)

4
6
8
3
2
1
8
15
19
34
47
54
43
35
37
36
35
21
37
51
72
79
86
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
6
9
10

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 (%)

23
21
13
23
26
19
34
38
32
26
18
3
4
3
1
5
5
2
22
29
23
24
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
8
7
6
6
6
6
6
6
3
3
3
3
3
3
2
3
3
4
4
5
9
9

Dew Point (°C)

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

Relative Humidity (%)

65
67
70
73
76
78
81
81
82
82
82
84
84
85
85
85
78
70
64
57
51
45
45
45

Pressure (mb)

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

Ozone (du)

316
316
315
315
316
317
318
320
321
322
323
324
325
325
325
326
326
326
326
326
326
326
326
325

Monday 22

Waxing Crescent 3%

08:44

19:05

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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:56, Set: 19:05, Transit: 12:59. Moon - Rise: 08:44, Set: 19:05. Civil Dark: 19:37 - 06:24. Nautical Dark: 20:16 - 05:45. Astro Dark: 20:56 - 05:05

Total Clouds (% Sky Obscured)

97
98
100
93
87
80
76
71
55
52
52
51
45
38
32
52
72
92
89
87
84

Low Clouds (% Sky Obscured)

41
38
40
53
66
79
76
71
55
52
52
51
45
38
32
52
72
91
81
72
59

Medium Clouds (% Sky Obscured)

79
62
46
37
28
14
27
30
34
33
32
36
29
27
29
32
32
35
45
55
62

High Clouds (% Sky Obscured)

4
3
0
27
30
40
23
13
0
0
0
0
0
0
0
32
60
90
66
69
70

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 (%)

18
18
10
32
40
42
41
40
40
34
27
14
13
11
8
8
7
2
4
4
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
50
55
62
66
73
78
78
78
76
78
78
79
77
74
70
65
61
57
53
48

Pressure (mb)

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

Ozone (du)

325
323
322
321
322
322
322
322
321
321
320
319
318
317
315
314
313
313
312
313
313

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

Generated: 16/09/25 16:15:53. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00