Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 20%

No Rise

18:07

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:00, Set: 19:29, Transit: 13:14. Moon - Rise: No Rise, Set: 18:07. Civil Dark: 20:01 - 06:28. Nautical Dark: 20:40 - 05:49. Astro Dark: 21:20 - 05:09

Total Clouds (% Sky Obscured)

100
99
93
88
77
81
81
76
95
94
92
97
94
92
95
89
88
76
85
84
69
85
85
94

Low Clouds (% Sky Obscured)

89
83
85
79
75
81
80
75
95
90
85
92
88
85
90
84
87
75
84
83
68
73
75
75

Medium Clouds (% Sky Obscured)

70
50
54
5
0
0
0
0
0
3
23
23
23
23
23
3
0
0
0
0
0
20
20
52

High Clouds (% Sky Obscured)

86
24
2
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
7
7
8
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
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 (%)

80
31
0
5
15
6
20
13
3
3
6
7
3
6
18
13
6
14
9
5
4
3
13
5

Precipitation Amount (mm)

0.4
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
23
23
22
23
22
21
21
22
22
22
21
20
20
19
18
17
16
16
16
16
17
17
17

Chance of Frost

Temperature (°C)

15
15
15
16
16
16
16
16
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
90
93
93
93
93
93
93
92
92
92
90
93
95
96
96
96
96
98
95
95
95
92

Pressure (mb)

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

Ozone (du)

263
263
263
263
264
266
267
267
268
269
271
270
269
268
269
270
269
269
269
269
269
268
268
267

Thursday 18

Waning Crescent 12%

02:45

18:27

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:02, Set: 19:26, Transit: 13:14. Moon - Rise: 02:45, Set: 18:27. Civil Dark: 19:59 - 06:29. Nautical Dark: 20:37 - 05:51. Astro Dark: 21:17 - 05:11

Total Clouds (% Sky Obscured)

95
83
89
76
61
78
63
89
85
91
76
74
67
74
83
84
92
78
54
62
92
99
92
90

Low Clouds (% Sky Obscured)

92
83
89
75
59
78
62
79
84
70
65
73
66
73
76
61
57
68
48
52
77
39
39
57

Medium Clouds (% Sky Obscured)

59
0
0
0
0
0
0
50
12
42
20
1
1
7
11
18
13
1
4
2
25
2
2
5

High Clouds (% Sky Obscured)

0
0
0
0
0
2
3
12
50
50
27
50
50
48
63
77
88
72
54
62
90
99
92
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
7
8
7
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 (%)

5
11
4
5
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
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)

17
17
18
18
18
16
17
17
19
19
20
19
19
19
18
16
13
12
11
11
10
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
87
83
87
93
87
81
81
81
82
82
82
83
85
88
93
96
96
95
95
95
96

Pressure (mb)

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

Ozone (du)

267
267
267
267
267
267
266
266
266
266
265
265
265
264
263
263
262
262
263
265
265
265
264
263

Friday 19

Waning Crescent 6%

04:04

18:43

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 Good
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:03, Set: 19:24, Transit: 13:14. Moon - Rise: 04:04, Set: 18:43. Civil Dark: 19:57 - 06:31. Nautical Dark: 20:35 - 05:52. Astro Dark: 21:15 - 05:12

Total Clouds (% Sky Obscured)

94
94
83
84
80
78
77
81
79
100
100
95
75
78
9
40
62
75
87
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
63
77
84
78
78
73
62
73
74
50
14
33
36
5
32
45
57
66
81
78
78
79
82

Medium Clouds (% Sky Obscured)

3
5
4
4
4
4
3
4
0
0
0
0
0
0
0
3
3
6
14
0
0
0
1
26

High Clouds (% Sky Obscured)

65
58
65
11
22
41
43
54
73
34
41
44
46
33
9
29
55
74
87
100
100
100
100
100

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
91
99
100
77
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
2
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
8
8
8
8
7
7
8
10
12
13
13
13
13
13
12
11
10
9
8
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
15
15
14
14
13
13
13
14
14
14
14
14
14
15
15
15
15
15
15

Relative Humidity (%)

96
96
96
96
95
96
95
89
82
74
70
70
71
73
76
79
83
89
93
93
95
96
96
96

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1016
1016
1016
1016
1016
1015
1015
1014

Ozone (du)

262
263
265
266
267
267
268
268
268
268
267
266
268
269
271
272
272
273
273
273
272
272
273
272

Saturday 20

Waning Crescent 2%

05:21

18:56

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:05, Set: 19:22, Transit: 13:13. Moon - Rise: 05:21, Set: 18:56. Civil Dark: 19:54 - 06:32. Nautical Dark: 20:33 - 05:54. Astro Dark: 21:12 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
50
32
38
37
40
33
42
76
70

Low Clouds (% Sky Obscured)

91
93
90
91
90
87
83
79
82
87
93
95
98
99
63
50
32
38
37
40
33
42
61
62

Medium Clouds (% Sky Obscured)

44
47
61
69
85
45
95
100
100
94
80
45
16
14
12
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
53
59
68
76
71
87
42
69
8
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
7
4
5
1
7
9
2
9
6
4
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
40
32
35
59
95
90
66
95
95
95
95
86
50
62
53
23
22
20
13
26
27
25
28

Precipitation Amount (mm)

0
0
0
0
0
1.4
0.5
0.3
0.9
0.6
0.8
1
0.4
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
5
6
6
7
9
8
9
11
9
10
12
14
18
16
13
11
11
11
12
12
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
16
15
15
16
15
14
15
14
9
8
8
9
9
10
11
11
10
10
6
5

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
98
98
98
98
95
89
95
93
95
93
86
83
80
83
89
89
89
87
86
81

Pressure (mb)

1014
1014
1013
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

272
272
273
273
273
272
271
275
275
275
278
281
285
287
291
294
297
302
304
305
308
309
310
312

Sunday 21

New Moon 0%

06:34

19:07

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:06, Set: 19:20, Transit: 13:13. Moon - Rise: 06:34, Set: 19:07. Civil Dark: 19:52 - 06:34. Nautical Dark: 20:30 - 05:56. Astro Dark: 21:10 - 05:16

Total Clouds (% Sky Obscured)

66
62
58
68
65
62
60
58
67
76
85
85
86
87
87
87
86
82
86
82
75
65
54
43

Low Clouds (% Sky Obscured)

61
60
56
66
65
62
58
53
53
53
54
55
56
58
54
50
46
34
22
14
12
8
2
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
66
76
73
79
86
87
87
87
86
82
81
73
60
49
39
35

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
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

22
16
30
35
44
57
66
74
74
64
57
68
64
60
62
63
65
65
59
31
38
37
9
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
10
10
10
10
12
13
17
17
19
20
20
20
20
19
18
17
16
16
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
81
83
83
84
86
89
89
83
79
77
80
83
86
84
83
81
80
80
78
78
77
77

Pressure (mb)

1013
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1021
1022
1022
1023
1023
1024
1024

Ozone (du)

315
316
317
318
320
321
321
322
322
323
324
325
325
326
326
326
327
327
327
327
327
326
326
325

Monday 22

Waxing Crescent 1%

07:45

19:19

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

Sun - Rise: 07:08, Set: 19:18, Transit: 13:13. Moon - Rise: 07:45, Set: 19:19. Civil Dark: 19:50 - 06:36. Nautical Dark: 20:28 - 05:57. Astro Dark: 21:07 - 05:18

Total Clouds (% Sky Obscured)

30
16
10
8
4
17
26
35
31
27
23
38
54
69
56
44
31
37
46
53
63
73
83
84

Low Clouds (% Sky Obscured)

12
16
10
8
4
3
1
0
2
5
7
22
39
55
37
18
0
8
17
25
17
8
1
3

Medium Clouds (% Sky Obscured)

26
11
6
3
1
2
3
4
5
6
5
6
11
17
17
13
12
12
11
11
10
7
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
2
4
11
15
12
7
1
2
2
3
27
50
73
74

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 (%)

18
0
2
3
0
1
2
0
1
0
0
0
0
0
0
0
0
1
2
1
1
1
1
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
6
6
6
6
5
5
5
4
5
5
5
5
6
5
5
5
5
5
5
5

Relative Humidity (%)

77
78
80
80
81
82
76
72
67
63
59
54
56
57
57
59
62
63
64
65
66
67
68
69

Pressure (mb)

1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027

Ozone (du)

325
324
324
325
326
328
326
324
323
321
320
319
318
316
315
314
313
311
311
311
310
310
309
308

Tuesday 23

Waxing Crescent 3%

08:56

19:31

Sun - Rise: 07:09, Set: 19:15, Transit: 13:12. Moon - Rise: 08:56, Set: 19:31. Civil Dark: 19:48 - 06:37. Nautical Dark: 20:26 - 05:59. Astro Dark: 21:05 - 05:20

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 17/09/25 02:53:00. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00