Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

No Rise

09:11

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

Sun - Rise: 08:03, Set: 16:19, Transit: 12:11. Moon - Rise: No Rise, Set: 09:11. Civil Dark: 16:57 - 07:26. Nautical Dark: 17:38 - 06:44. Astro Dark: 18:17 - 06:05

Total Clouds (% Sky Obscured)

23
21
12
88
55
70
32
29
100
100
99
100
100
100
100
100
100
100
100
100
100
100
99
87

Low Clouds (% Sky Obscured)

16
11
12
32
8
58
31
29
51
47
48
48
49
35
61
86
100
100
89
100
100
100
85
77

Medium Clouds (% Sky Obscured)

23
7
0
42
25
24
3
2
36
85
99
100
100
100
100
100
100
100
94
100
52
53
60
42

High Clouds (% Sky Obscured)

0
0
0
0
0
4
3
5
80
36
71
58
58
100
72
100
100
44
85
38
56
0
0
0

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

47
6
9
6
12
27
30
25
29
23
23
10
20
17
24
55
91
95
95
95
95
95
92
80

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
2.1
1.5
2.2
1.7
1.5
0.5
0.5

Wind Speed/Direction (mph)

12
11
9
10
10
11
11
10
10
9
9
9
8
9
11
14
17
19
21
26
29
31
30
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
3
4
4
5
5
5
4
4
4
3
3
6
7
7
9
9
10
10

Relative Humidity (%)

69
70
69
69
69
69
74
77
79
81
81
81
78
78
74
68
70
81
88
90
93
95
95
83

Pressure (mb)

1001
1002
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006
1005
1005
1004
1003
1002
1001
999
997
995
993
993

Ozone (du)

371
372
374
372
358
350
339
334
331
329
324
316
312
312
307
300
296
294
290
290
291
294
294
295

Friday 5

Waning Gibbous 98%

16:16

10:19

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: 08:04, Set: 16:19, Transit: 12:12. Moon - Rise: 16:16, Set: 10:19. Civil Dark: 16:57 - 07:27. Nautical Dark: 17:38 - 06:45. Astro Dark: 18:17 - 06:06

Total Clouds (% Sky Obscured)

81
73
85
58
84
39
68
66
84
99
84
95
88
79
58
100
100
73
75
78
48
54
100
100

Low Clouds (% Sky Obscured)

63
64
69
56
69
35
52
61
60
66
63
67
64
60
51
51
55
54
47
34
30
39
43
51

Medium Clouds (% Sky Obscured)

47
16
35
2
52
1
55
30
30
97
40
61
45
32
7
43
72
35
59
51
22
23
0
33

High Clouds (% Sky Obscured)

0
0
0
0
0
2
55
32
44
0
0
0
0
0
1
64
57
49
55
1
48
54
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

54
38
42
37
50
48
47
50
45
52
49
59
64
41
32
34
27
28
33
30
16
20
24
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

24
24
24
24
24
25
24
26
26
27
27
27
28
28
29
28
29
28
28
28
28
27
26
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
83
81
80
77
79
78
80
81
83
83
83
81
81
81
83
81
84
81
81
79
77
78

Pressure (mb)

993
993
993
993
994
994
994
994
994
994
994
995
995
996
996
997
998
999
999
1000
1001
1001
1002
1002

Ozone (du)

295
295
298
306
311
308
305
300
298
300
300
297
296
298
297
298
299
301
303
303
303
303
303
301

Saturday 6

Waning Gibbous 93%

17:28

11:06

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: 08:06, Set: 16:19, Transit: 12:12. Moon - Rise: 17:28, Set: 11:06. Civil Dark: 16:56 - 07:28. Nautical Dark: 17:38 - 06:46. Astro Dark: 18:17 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
100
100
97
100
100
100
99
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

42
67
73
78
47
50
47
82
68
78
65
83
100
97
86
100
88
94
93
98
89
81
71
79

Medium Clouds (% Sky Obscured)

37
84
84
95
85
90
97
100
100
86
93
92
85
78
67
96
100
91
99
100
100
100
95
75

High Clouds (% Sky Obscured)

100
81
100
100
93
100
100
100
83
83
100
100
100
92
100
100
100
100
45
76
85
66
100
87

ISS Passover

Visibility (miles)

9
9
7
8
9
8
9
4
4
5
2
1
2
2
3
6
7
6
4
2
0
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

25
28
33
33
37
37
76
95
95
95
95
95
88
66
29
26
26
89
95
95
95
53
43
37

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.7
0.9
1
0.6
0.5
0.5
0.4
0
0
0
0.6
1
0.9
0.8
0.2
0
0

Wind Speed/Direction (mph)

22
21
18
17
15
14
12
13
12
11
10
10
11
14
17
15
15
14
13
13
14
19
16
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
84
84
84
84
87
90
93
95
96
98
96
96
96
98
96
96
96
98
100
95
90
90

Pressure (mb)

1003
1003
1004
1004
1004
1004
1004
1004
1004
1003
1002
1001
1000
999
999
999
999
1000
1000
999
999
999
998
999

Ozone (du)

300
298
299
298
296
296
296
295
295
296
297
298
298
299
299
302
306
305
305
306
307
307
309
310

Sunday 7

Waning Gibbous 86%

18:52

11:38

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: 08:07, Set: 16:18, Transit: 12:12. Moon - Rise: 18:52, Set: 11:38. Civil Dark: 16:56 - 07:29. Nautical Dark: 17:38 - 06:47. Astro Dark: 18:17 - 06:08

Total Clouds (% Sky Obscured)

96
94
91
89
88
82
78
73
80
85
93
95
98
100
89
78
67
65
65
68
80
92
100
100

Low Clouds (% Sky Obscured)

82
90
90
87
84
80
75
69
71
74
75
69
65
56
51
55
66
54
52
39
42
52
44
58

Medium Clouds (% Sky Obscured)

47
3
24
1
0
3
30
1
61
38
69
26
23
24
89
78
67
65
65
22
70
70
70
73

High Clouds (% Sky Obscured)

73
60
50
60
65
50
45
50
50
45
35
25
30
40
45
55
55
65
65
65
80
88
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
5
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain

Precipitation Probability (%)

27
24
22
21
28
27
23
9
29
21
22
37
39
43
56
65
78
69
56
32
40
47
46
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
22
24
22
20
20
16
14
11
12
14
17
17
17
18
18
18
19
19
20
21
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
92
92
93
92
93
91
91
93
96
96
96
95
92
93
88
88
87
87
84
86
84
84

Pressure (mb)

999
999
998
999
1000
1001
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007

Ozone (du)

309
308
306
305
302
301
300
301
301
303
302
305
311
313
314
315
315
318
316
317
316
320
322
327

Monday 8

Waning Gibbous 77%

20:19

12:00

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: 08:08, Set: 16:18, Transit: 12:13. Moon - Rise: 20:19, Set: 12:00. Civil Dark: 16:56 - 07:30. Nautical Dark: 17:37 - 06:48. Astro Dark: 18:17 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
63
64
63
64
66
68
68
68
65
65
74
83
93
91
92
93
94
95
95
95
94
93
94

Medium Clouds (% Sky Obscured)

72
73
75
72
78
54
35
100
100
100
100
100
100
100
100
100
100
99
99
99
95
90
84
61

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

56
41
46
38
25
31
32
42
54
65
83
95
95
95
95
95
95
95
95
95
95
95
95
92

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0.2
0.3
0.5
1
1.5
2.1
2.4
2.6
2.6
2.7
3.2
3.8
1.7
1.3
0.7
0.6

Wind Speed/Direction (mph)

21
20
19
19
18
16
16
16
15
14
13
15
18
19
21
24
24
26
28
30
32
32
32
32

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
12
12
12
12
13
14

Feels Like (°C)

7
8
8
8
7
8
8
7
8
9
10
10
9
9
8
8
9
9
8
8
7
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

73
76
77
77
77
77
79
80
89
90
92
93
95
95
93
93
93
93
93
93
93
89
82
78

Pressure (mb)

1007
1008
1008
1009
1009
1010
1009
1009
1009
1009
1008
1008
1006
1005
1004
1001
1000
998
998
997
996
996
995
995

Ozone (du)

330
332
331
328
327
322
321
317
312
308
307
306
306
304
303
302
300
298
297
295
293
292
291
290

Tuesday 9

Waning Gibbous 67%

21:42

12:17

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: 08:09, Set: 16:18, Transit: 12:13. Moon - Rise: 21:42, Set: 12:17. Civil Dark: 16:56 - 07:31. Nautical Dark: 17:37 - 06:49. Astro Dark: 18:17 - 06:10

Total Clouds (% Sky Obscured)

100
100
96
91
87
77
68
56
64
72
82
74
74
72
73
71
71
78
84
90
84
78
71
58

Low Clouds (% Sky Obscured)

96
99
93
87
82
70
57
42
30
30
34
36
35
35
35
36
37
36
31
31
27
23
22
26

Medium Clouds (% Sky Obscured)

39
16
14
17
20
37
40
33
34
36
37
42
43
53
41
26
8
21
30
45
53
58
62
42

High Clouds (% Sky Obscured)

96
94
80
66
57
39
20
0
0
0
0
0
0
0
20
30
40
43
32
26
13
5
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
8
8
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

Very 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 (%)

57
25
24
27
29
27
22
12
12
11
7
12
14
16
21
24
21
23
20
17
19
18
19
22

Precipitation Amount (mm)

0.2
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)

33
34
35
33
31
30
29
29
30
28
27
26
25
24
23
22
21
20
20
20
20
19
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
80
82
84
86
86
86
86
86
85
85
84
84
83
83
83
83
81
80
80
80
80
80

Pressure (mb)

995
994
994
994
994
994
995
996
997
998
999
1000
1001
1002
1002
1003
1004
1005
1006
1006
1007
1007
1008
1008

Ozone (du)

289
288
288
289
290
291
292
292
293
295
298
300
302
304
305
309
313
316
320
323
327
330
333
337

Wednesday 10

Waning Gibbous 56%

23:00

12:31

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

Sun - Rise: 08:10, Set: 16:18, Transit: 12:14. Moon - Rise: 23:00, Set: 12:31. Civil Dark: 16:56 - 07:31. Nautical Dark: 17:37 - 06:50. Astro Dark: 18:17 - 06:11

Total Clouds (% Sky Obscured)

42
26
29
37
50
65
81
96
69
42
15
35
54
75
82
91
100
100
100
100

Low Clouds (% Sky Obscured)

27
26
29
37
35
30
24
14
14
14
15
14
13
14
27
42
55
55
55
55

Medium Clouds (% Sky Obscured)

21
1
8
14
21
26
28
31
36
37
15
35
54
72
82
91
100
100
100
100

High Clouds (% Sky Obscured)

0
0
1
1
2
14
23
27
38
42
15
35
54
64
73
83
97
90
84
77

ISS Passover

Visibility (miles)

8
7
5
7
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

24
35
34
31
28
20
12
9
15
16
9
19
19
7
19
33
47
75
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.8

Wind Speed/Direction (mph)

16
15
14
13
12
12
12
13
14
15
15
16
17
19
20
21
22
23
22
21

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11

Feels Like (°C)

6
6
6
6
6
6
6
6
6
5
5
5
6
6
6
6
6
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
87
87
87
87
87
87
85
87
88
88
88
90
88
87
87
86
84

Pressure (mb)

1009
1010
1010
1011
1011
1011
1011
1011
1012
1011
1011
1011
1010
1009
1009
1008
1008
1007
1007
1006

Ozone (du)

331
325
319
320
320
321
320
319
318
316
313
311
310
309
307
307
307
307
306
305

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

Generated: 04/12/25 15:57:38. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+0.00