Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waxing Gibbous 100%

16:03

09:45

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:39, Set: 17:00, Transit: 12:50. Moon - Rise: 16:03, Set: 09:45. Civil Dark: 17:37 - 08:02. Nautical Dark: 18:18 - 07:22. Astro Dark: 18:57 - 06:43

Total Clouds (% Sky Obscured)

71
73
80
72
93
86
98
91
73
84
90
59
61
57
39
60
76
81
71
57
89
94
100
100

Low Clouds (% Sky Obscured)

71
73
78
72
87
86
96
91
73
84
80
59
61
57
22
5
9
24
26
30
26
26
0
0

Medium Clouds (% Sky Obscured)

31
54
30
44
44
6
50
28
3
40
69
42
45
4
15
18
50
73
71
57
77
93
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
47
47
32
51
9
75
31
100
100

ISS Passover

Visibility (miles)

4
5
4
5
5
9
9
9
9
9
9
6
6
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

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

Precipitation Probability (%)

95
89
73
51
53
36
41
42
40
35
31
23
21
17
3
0
2
0
1
0
0
0
0
7

Precipitation Amount (mm)

1.1
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
11
10
9
9
8
8
8
8
8
8
6
4
4
5
6
7
7
7
9
10
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
5
5
5
5
5
5
4
4
4
4
3
3
3
3
3
3
3
3
4
4
4

Relative Humidity (%)

77
79
82
87
90
90
90
90
90
90
90
88
86
85
83
83
86
89
85
81
78
75
75
75

Pressure (mb)

1000
1001
1001
1002
1003
1003
1004
1004
1005
1005
1006
1007
1007
1008
1009
1009
1009
1010
1010
1010
1010
1009
1009
1008

Ozone (du)

335
342
352
344
341
350
355
354
346
347
352
358
350
342
341
344
338
331
327
328
322
319
312
306

Friday 5

Full Moon 98%

16:57

10:53

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: 08:41, Set: 17:00, Transit: 12:50. Moon - Rise: 16:57, Set: 10:53. Civil Dark: 17:37 - 08:03. Nautical Dark: 18:18 - 07:23. Astro Dark: 18:56 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
96
88
98
99
99
100
67
82
95
79
83
88
100
100
100
73
77

Low Clouds (% Sky Obscured)

7
100
100
100
100
90
93
79
86
74
71
60
69
67
70
64
62
68
57
65
59
69
58
57

Medium Clouds (% Sky Obscured)

100
100
98
92
52
45
28
53
40
94
54
57
59
4
47
87
63
46
43
45
60
48
26
27

High Clouds (% Sky Obscured)

86
100
58
55
100
52
7
0
0
0
0
53
98
46
6
1
1
0
5
85
91
97
14
0

ISS Passover

Visibility (miles)

9
7
7
9
5
9
9
9
7
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
Light Rain
Light Rain
Light Rain
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 (%)

38
95
95
95
75
67
46
33
53
42
32
20
33
35
43
32
25
27
31
25
40
36
34
27

Precipitation Amount (mm)

0
1.7
0.6
0.9
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
17
20
22
22
23
21
18
15
16
16
16
18
19
19
19
20
20
20
21
21
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
-0
-1
-0
0
2
3
5
6
4
4
4
4
4
4
4
3
4
4
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

74
72
86
84
87
85
88
93
90
88
87
87
81
81
82
84
78
77
78
76
72
75
75
73

Pressure (mb)

1007
1007
1006
1004
1003
1002
1001
1001
1000
1000
1000
1000
1000
1000
1001
1001
1002
1003
1003
1003
1004
1004
1004
1004

Ozone (du)

301
298
297
296
297
296
299
302
306
309
309
302
302
300
299
296
296
297
295
296
296
297
298
295

Saturday 6

Waning Gibbous 93%

18:09

11:41

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: 08:42, Set: 16:59, Transit: 12:50. Moon - Rise: 18:09, Set: 11:41. Civil Dark: 17:37 - 08:04. Nautical Dark: 18:17 - 07:24. Astro Dark: 18:56 - 06:45

Total Clouds (% Sky Obscured)

56
65
77
90
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
53
56
53
65
64
49
70
84
60
42
67
61
85
87
82
80
100
100
89
91
87
82
78

Medium Clouds (% Sky Obscured)

0
23
47
47
21
47
38
94
97
90
85
100
100
100
99
98
93
94
100
99
99
100
100
100

High Clouds (% Sky Obscured)

5
2
9
30
38
99
100
100
100
100
100
100
82
100
97
100
95
95
91
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

42
29
34
29
33
19
31
13
9
24
49
58
95
95
95
95
95
87
76
84
95
84
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.8
0.9
1.1
0.7
0.4
0.3
0.5
1.4
0.6
1.2
1.5

Wind Speed/Direction (mph)

19
20
19
17
16
14
15
17
15
14
13
12
11
11
9
10
11
12
12
12
13
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
80
83
84
87
84
83
84
83
85
90
95
95
95
95
96
95
96
95
95
96
95
96

Pressure (mb)

1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

292
294
295
296
296
295
294
295
295
294
292
292
293
291
291
289
290
290
291
293
294
295
295
295

Sunday 7

Waning Gibbous 86%

19:32

12:14

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: 08:43, Set: 16:59, Transit: 12:51. Moon - Rise: 19:32, Set: 12:14. Civil Dark: 17:37 - 08:05. Nautical Dark: 18:17 - 07:24. Astro Dark: 18:56 - 06:46

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
100
95
90
85
90
95
100
90
79
69
79
90
100
100
100
100

Low Clouds (% Sky Obscured)

76
74
71
77
82
88
90
93
95
86
78
69
65
61
60
61
64
67
65
64
62
60
60
60

Medium Clouds (% Sky Obscured)

96
76
30
66
72
35
42
62
97
88
69
70
60
63
60
58
58
55
58
66
71
72
71
70

High Clouds (% Sky Obscured)

100
100
100
96
93
87
81
75
63
52
40
20
47
73
100
70
40
10
43
72
100
87
85
91

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
7
5
9
9
9
9
9
8
9
9
9
9
8
9
6
3
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

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

Precipitation Probability (%)

95
63
38
30
34
34
38
40
34
18
29
44
37
33
36
21
34
25
23
35
43
79
86
70

Precipitation Amount (mm)

0.8
0.2
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0.5

Wind Speed/Direction (mph)

16
17
19
19
19
20
19
17
15
14
15
14
15
16
17
16
16
16
16
16
14
15
14
14

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
14
14
13
13

Feels Like (°C)

10
10
9
9
9
9
9
10
10
11
11
10
10
9
9
9
9
9
9
10
11
11
11
10

Dew Point (°C)

13
13
13
13
13
12
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

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

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012

Ozone (du)

298
300
298
299
301
301
302
302
301
300
298
294
292
292
292
292
295
294
297
299
297
299
297
299

Monday 8

Waning Gibbous 77%

20:58

12:37

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: 08:44, Set: 16:59, Transit: 12:51. Moon - Rise: 20:58, Set: 12:37. Civil Dark: 17:36 - 08:06. Nautical Dark: 18:17 - 07:25. Astro Dark: 18:56 - 06:46

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
99

Low Clouds (% Sky Obscured)

60
61
62
61
61
62
63
65
66
60
55
48
45
42
39
66
64
60
70
82
92
79
68
57

Medium Clouds (% Sky Obscured)

64
49
47
63
57
65
81
94
63
97
99
99
100
100
96
97
97
95
96
97
100
100
100
99

High Clouds (% Sky Obscured)

100
100
100
89
100
88
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
93
88
84

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

51
51
52
28
24
23
6
30
26
41
21
16
27
32
31
70
80
92
95
95
95
95
76
47

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.7
1.1
1.5
1.5
0.8
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12

Feels Like (°C)

10
10
9
10
10
10
11
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
92
89
92
93
93
93
95
92
87
89
90
90
87
86
84
84
86
87
88
83
80

Pressure (mb)

1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1012
1012
1011
1010
1010
1009
1009
1008

Ozone (du)

301
302
303
310
313
321
322
320
314
310
308
307
308
308
305
305
304
303
301
299
296
294
292
290

Tuesday 9

Waning Gibbous 67%

22:21

12:54

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: 08:45, Set: 16:59, Transit: 12:52. Moon - Rise: 22:21, Set: 12:54. Civil Dark: 17:36 - 08:07. Nautical Dark: 18:17 - 07:26. Astro Dark: 18:56 - 06:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
93
90
93
97
100
99
98
97
83
71
62
64
72
79
87
91
97

Low Clouds (% Sky Obscured)

48
43
31
22
9
0
9
18
27
44
55
69
60
54
46
44
42
43
46
48
51
45
43
40

Medium Clouds (% Sky Obscured)

96
94
89
84
81
77
69
58
45
53
58
68
60
53
49
57
69
62
64
72
79
87
91
97

High Clouds (% Sky Obscured)

88
93
99
98
100
100
73
46
24
16
8
0
0
0
0
3
6
13
33
48
58
55
49
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
7
7
8
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
Very Light Rain
None
None
None

Precipitation Probability (%)

39
36
35
22
13
0
0
1
0
8
11
15
15
16
21
29
28
26
30
34
44
41
33
26

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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
72
70
69
65
64
62
61
60
65
71
76
79
83
87
87
88
90
90
92
93
92
88

Pressure (mb)

1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1009
1010
1010
1010
1011
1011
1011

Ozone (du)

289
287
286
285
285
286
286
287
287
288
287
286
285
286
287
288
288
288
288
288
288
287
290
293

Wednesday 10

Waning Gibbous 57%

23:38

13:08

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

Sun - Rise: 08:46, Set: 16:59, Transit: 12:52. Moon - Rise: 23:38, Set: 13:08. Civil Dark: 17:36 - 08:08. Nautical Dark: 18:17 - 07:27. Astro Dark: 18:56 - 06:48

Total Clouds (% Sky Obscured)

92
84
75
63
51
43
46
49
45
53
60
66
62
56
46
53
58
62
59
60
61

Low Clouds (% Sky Obscured)

40
40
41
37
35
28
25
29
32
33
32
38
41
41
46
46
50
58
54
54
50

Medium Clouds (% Sky Obscured)

89
78
62
44
29
17
13
8
0
7
14
21
14
7
3
3
4
5
9
13
17

High Clouds (% Sky Obscured)

27
17
19
12
6
4
3
3
0
12
27
40
35
23
12
34
56
62
59
60
61

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
10
15
13
10
9
5
3
2
3
2
1
2
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

Wind Speed/Direction (mph)

11
11
10
9
10
10
11
10
10
10
10
9
9
9
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
90
91
91
91
93
91
93
91
91
91
91
93
93
94
94
93
90
87

Pressure (mb)

1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

296
300
304
307
311
315
319
317
315
314
315
316
318
314
311
308
306
304
302
302
302

Forecast for Saint-Martin-du-Bec, Seine-Maritime, France (49.60,0.21)

Generated: 04/12/25 16:42:58. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+1.00