Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 44%

13:26

23:37

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

Sun - Rise: 07:53, Set: 17:00, Transit: 12:26. Moon - Rise: 13:26, Set: 23:37. Civil Dark: 17:32 - 07:20. Nautical Dark: 18:09 - 06:44. Astro Dark: 18:44 - 06:08

Total Clouds (% Sky Obscured)

79
81
82
99
94
85
61
83
36
66
24
22
17
22
18
4
5
12
14
37
92
100
99
94

Low Clouds (% Sky Obscured)

79
81
76
64
53
43
40
41
36
43
24
22
17
22
18
4
4
4
4
2
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
41
5
33
0
2
1
2
2
1
2
6
4
3
0
0
7
35

High Clouds (% Sky Obscured)

1
5
71
67
67
71
44
30
4
10
8
8
1
1
1
1
1
3
7
35
92
100
99
94

ISS Passover

Visibility (miles)

3
4
1
6
9
9
8
6
7
1
1
1
2
5
5
9
9
9
9
9
9
9
9
9

Fog (%)

65
51
40
25
73
88
97
100
98
97
17
6
1
0
2
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)

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

Chance of Frost

Temperature (°C)

1
0
-2
-3
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-1
1
2
2
3

Feels Like (°C)

-3
-4
-6
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-5
-5
-5
-4
-2
0
-1
-1
-0

Dew Point (°C)

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

Relative Humidity (%)

93
92
94
94
92
94
96
96
96
96
96
96
96
94
94
92
91
89
87
78
78
78
79
82

Pressure (mb)

1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026
1025
1024
1024
1023
1022
1022

Ozone (du)

289
289
286
285
284
284
284
283
283
281
279
279
279
276
274
273
272
271
269
268
266
268
269
269

Friday 28

First Quarter 55%

13:45

00:49

15 Bad
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

Sun - Rise: 07:54, Set: 16:59, Transit: 12:26. Moon - Rise: 13:45, Set: 00:49. Civil Dark: 17:32 - 07:21. Nautical Dark: 18:08 - 06:45. Astro Dark: 18:44 - 06:09

Total Clouds (% Sky Obscured)

76
81
87
95
98
94
92
94
100
100
100
100
97
96
94
92
76
73
69
61
54
53
54
59

Low Clouds (% Sky Obscured)

4
4
6
24
39
32
34
36
83
93
92
89
88
94
92
90
76
73
69
61
54
53
53
57

Medium Clouds (% Sky Obscured)

34
35
39
39
47
60
79
38
39
63
50
94
75
23
17
11
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

46
46
45
55
73
44
35
30
92
68
75
86
70
4
0
0
0
0
0
3
5
3
19
47

ISS Passover

Visibility (miles)

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

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
1
2
3
5
6
3
3
4
10
7
4
3
18
5
1
1
3
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)

3
2
1
2
2
2
2
2
2
2
2
3
2
2
2
1
1
2
2
2
2
2
2
1

Chance of Frost

Temperature (°C)

2
2
1
2
1
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
5
6
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
91
86
86
88
88
86
85
85
86
83
85
86
89
91
96
96
98
96
100
96
96
96

Pressure (mb)

1021
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1016
1015

Ozone (du)

269
269
266
263
264
265
266
267
268
267
266
266
266
268
268
267
269
271
271
272
274
275
275
276

Saturday 29

Waxing Gibbous 66%

14:04

02:03

15 Bad
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

Sun - Rise: 07:55, Set: 16:59, Transit: 12:27. Moon - Rise: 14:04, Set: 02:03. Civil Dark: 17:31 - 07:22. Nautical Dark: 18:08 - 06:46. Astro Dark: 18:43 - 06:10

Total Clouds (% Sky Obscured)

54
47
45
39
58
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
45
16
5
7
11
10
7
9
18
27
24
28
27
40
45
64
70
88
75
81
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
2
0
0
0
20
20
15
15
44
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

6
6
27
25
39
100
79
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
6
6
5
1
1
6
6
9
9
9
9
9
9
9
9
9
7
1
0
0
0
0

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
4
45
46
58
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.7
1.2
1.2
2.2
1.6
1.5

Wind Speed/Direction (mph)

1
3
4
5
6
6
7
7
7
7
7
7
7
7
7
7
7
6
4
3
4
4
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
3
1
0
0
-1
-1
0
0
0
0
1
1
1
2
2
2
2
3
3
3
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

96
100
100
96
96
96
96
96
96
96
94
96
96
96
94
96
96
98
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

277
277
276
275
276
278
280
281
283
288
290
290
293
296
301
304
308
311
312
312
313
316
317
318

Sunday 30

Waxing Gibbous 77%

14:25

03:20

15 Bad
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

Sun - Rise: 07:56, Set: 16:58, Transit: 12:27. Moon - Rise: 14:25, Set: 03:20. Civil Dark: 17:31 - 07:23. Nautical Dark: 18:08 - 06:47. Astro Dark: 18:43 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
98
96
95
86
78
72
65
67
65
65
64
54
53
52

Low Clouds (% Sky Obscured)

100
100
100
100
99
98
96
96
95
95
93
92
90
83
77
71
63
62
59
62
64
53
52
51

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
97
61
31
20
13
7
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
99
99
95
70
43
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
3
0
0
0
1
1
6

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

Precipitation Probability (%)

95
95
95
95
88
80
68
55
43
47
33
23
23
14
7
14
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.4
0.9
0.7
0.8
0.5
0.4
0.3
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
2
2
1
1
1
1
1
0
0
0
-1
-1
-1
-1
-1
-1
0
1
1
2
3
3

Feels Like (°C)

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

Dew Point (°C)

3
3
2
2
1
1
0
1
0
0
-0
0
-1
-1
-1
-2
-2
-1
-1
0
1
1
2
2

Relative Humidity (%)

100
100
100
100
98
98
98
100
98
98
98
100
98
98
98
98
96
96
96
96
96
94
94
93

Pressure (mb)

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

Ozone (du)

323
328
331
332
333
334
337
337
336
337
340
340
337
335
332
328
324
321
319
317
314
309
304
302

Monday 1

Waxing Gibbous 86%

14:51

04:41

15 Bad
16 OK
17 Bad
18 OK
19 OK
20 OK
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

Sun - Rise: 07:57, Set: 16:58, Transit: 12:27. Moon - Rise: 14:51, Set: 04:41. Civil Dark: 17:31 - 07:24. Nautical Dark: 18:07 - 06:48. Astro Dark: 18:43 - 06:12

Total Clouds (% Sky Obscured)

47
37
67
42
34
37
44
85
96
99
100
100
100
100
100
100
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

45
34
28
24
19
17
19
22
20
19
19
19
19
23
22
84
94
89
83
83
91
100
93
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
81
87
92
98
92
94
91
91
95
100
100
100

High Clouds (% Sky Obscured)

1
0
10
3
14
29
43
65
81
96
98
99
100
100
100
100
58
71
80
62
53
48
32
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
1
1
1
1

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
1
0
0
0
0
2
7
23
36
38
39
34
28
22
30
35

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
98
96
96
94
94
91
91
91
93
93
93
93
94
94
96
96
98
98
100
98
98
98

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

301
300
297
294
291
287
285
283
282
279
276
274
275
273
270
271
272
273
275
276
277
279
280
281

Tuesday 2

Waxing Gibbous 93%

No Rise

06:07

15 Bad
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

Sun - Rise: 07:59, Set: 16:57, Transit: 12:28. Moon - Rise: No Rise, Set: 06:07. Civil Dark: 17:31 - 07:25. Nautical Dark: 18:07 - 06:49. Astro Dark: 18:43 - 06:13

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)

77
84
92
100
100
100
100
100
100
100
97
94
91
94
95
97
98
99
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
82

High Clouds (% Sky Obscured)

4
4
4
3
31
58
50
71
84
90
62
35
9
37
68
100
100
100
100
97
94
91
70
49

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

33
48
68
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
85
95
95
95

Precipitation Amount (mm)

0
0
0.2
1.3
0.9
0.7
1.2
0.9
1
1.3
1.4
1.4
0.6
0.6
1.1
0.6
0.7
0.7
0.8
0.9
0.5
0.9
0.8
0.8

Wind Speed/Direction (mph)

7
7
6
5
5
4
3
3
2
2
2
1
2
3
2
2
2
2
2
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
3
2
1
1
1
2
1
1
1
1
1
1
0
0
-1
-2
-2
-2
-1
-1
-2

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

283
284
286
287
289
290
291
293
295
297
300
302
304
306
308
310
312
313
314
315
316
317
317
318

Wednesday 3

Waxing Gibbous 98%

15:23

07:34

15 Bad
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: 08:00, Set: 16:57, Transit: 12:28. Moon - Rise: 15:23, Set: 07:34. Civil Dark: 17:30 - 07:26. Nautical Dark: 18:07 - 06:50. Astro Dark: 18:42 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
97
95
93
90
91
92
94
82
72
63
63
67
70
71
74
78

Low Clouds (% Sky Obscured)

100
99
98
96
96
97
97
94
91
89
91
92
94
82
68
54
46
35
27
18
16
10

Medium Clouds (% Sky Obscured)

73
50
28
6
1
1
1
1
2
6
12
12
11
18
39
44
26
15
13
20
25
31

High Clouds (% Sky Obscured)

33
30
33
55
65
60
45
38
42
30
20
13
5
9
11
14
10
5
2
3
0
5

ISS Passover

Visibility (miles)

0
0
0
0
0
3
6
9
9
8
8
6
5
4
6
7
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

Precipitation Type

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

Precipitation Probability (%)

95
80
71
81
59
62
66
40
45
52
25
19
25
18
9
12
10
5
5
3
0
0

Precipitation Amount (mm)

1.2
0.4
0.3
0.8
0.2
0.3
0.5
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
1
0
-1
-0
-1
-0
0
0
0
0
0
0
0
0
0
0
1
1
2

Feels Like (°C)

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

Dew Point (°C)

1
1
1
0
-0
-1
-1
-1
-1
-0
-0
0
-0
-0
-1
-1
-1
-1
-1
-1
-1
1

Relative Humidity (%)

98
100
100
98
98
96
98
98
96
98
98
98
96
96
96
94
96
92
91
89
88
88

Pressure (mb)

1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1015
1015
1014
1013
1011

Ozone (du)

319
320
323
326
329
331
334
336
332
328
323
320
317
313
313
313
313
312
311
310
313
315

Forecast for La Chapelle-en-Vercors, Drôme, France (44.97,5.42)

Generated: 27/11/25 15:24:53. Forecast: 27/11/25 to 03/12/25. Timezone: UTC+1.00