Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 61%

12:27

01:03

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

Sun - Rise: 08:15, Set: 17:04, Transit: 12:40. Moon - Rise: 12:27, Set: 01:03. Civil Dark: 17:38 - 07:42. Nautical Dark: 18:15 - 07:05. Astro Dark: 18:50 - 06:29

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
7
1
1
2
0
0
1
0
0
0
0
0
0
0
0

Low 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

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
7
0
1
1
0
0
1
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 (%)

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)

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

Chance of Frost

Temperature (°C)

-2
-1
-1
1
1
1
2
3
2
2
2
2
3
5
7
7
7
6
5
3
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-6
-6
-6
-7
-6
-6
-6
-7
-7
-8
-8
-7
-6
-6
-4
-3
-1
-3
-5
-6
-7
-8

Relative Humidity (%)

69
67
66
62
60
58
56
55
54
53
52
51
46
42
40
41
45
53
64
65
60
56
52
49

Pressure (mb)

1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1023
1022
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

340
340
339
335
333
329
328
328
327
326
325
325
324
323
323
323
323
322
319
316
315
314
314
315

Sunday 28

Waxing Gibbous 72%

12:50

02:19

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

Sun - Rise: 08:16, Set: 17:05, Transit: 12:40. Moon - Rise: 12:50, Set: 02:19. Civil Dark: 17:38 - 07:42. Nautical Dark: 18:15 - 07:05. Astro Dark: 18:51 - 06:29

Total 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

Low 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

Medium 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

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
2
6
8
8
8
8
6
4
3
3
2
1

Dew Point (°C)

-9
-10
-10
-10
-10
-10
-11
-11
-11
-12
-13
-13
-10
-8
-6
-6
-4
-2
0
-1
-3
-4
-5
-6

Relative Humidity (%)

45
43
43
43
43
42
40
39
39
37
36
35
35
34
33
35
40
51
63
68
65
61
58
58

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1020
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

315
316
314
313
313
313
312
313
312
310
308
305
303
302
301
301
302
302
304
306
308
306
306
306

Monday 29

Waxing Gibbous 82%

13:17

03:40

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

Sun - Rise: 08:16, Set: 17:06, Transit: 12:41. Moon - Rise: 13:17, Set: 03:40. Civil Dark: 17:39 - 07:42. Nautical Dark: 18:16 - 07:05. Astro Dark: 18:52 - 06:29

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
36
34
30
30
35
35
35
35
35
55
69
62
50
36
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
36
34
30
30
35
35
35
35
35
51
67
60
47
36
25

Medium 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

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
9
9
9
7
0
0
0
0
0
0
9
9
9
2
1
1
1
0

Fog (%)

0
0
0
0
0
0
1
1
1
0
0
3
2
6
11
5
5
5
5
5
5
5
5
5

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
12
0
0
0
0
10
2
1
11
13

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)

2
3
3
3
4
4
4
5
5
5
6
7
9
9
10
11
12
13
12
10
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-0
-1
-1
-2
-3
-4
-4
-5
-6
-8
-9
-8
-7
-6
-6
-6
-6
-8
-9
-9
-10
-10
-10

Dew Point (°C)

-5
-6
-6
-5
-5
-5
-5
-5
-5
-4
-5
-5
-4
-4
-3
-2
-3
-4
-5
-5
-6
-7
-6
-7

Relative Humidity (%)

60
61
64
67
71
76
79
84
91
96
96
92
92
91
91
89
81
78
81
87
89
87
90
90

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1021
1021
1021
1022

Ozone (du)

307
306
307
306
308
307
310
310
312
311
310
311
310
312
310
308
306
304
304
302
298
293
293
288

Tuesday 30

Waxing Gibbous 91%

13:53

05:03

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 08:16, Set: 17:06, Transit: 12:41. Moon - Rise: 13:53, Set: 05:03. Civil Dark: 17:40 - 07:42. Nautical Dark: 18:17 - 07:05. Astro Dark: 18:53 - 06:30

Total Clouds (% Sky Obscured)

31
27
29
29
43
52
58
60
67
58
53
46
41
40
40
31
28
23
19
4
4
4
4
4

Low Clouds (% Sky Obscured)

31
27
29
29
43
44
52
60
67
58
53
42
41
40
37
28
22
17
16
3
4
3
3
4

Medium 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

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)

0
0
0
0
0
0
0
0
0
1
1
1
3
5
9
9
9
9
9
9
9
9
9
9

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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 (%)

14
12
14
15
13
13
15
2
17
0
13
1
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)

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

Chance of Frost

Temperature (°C)

-6
-5
-5
-5
-6
-5
-5
-6
-6
-7
-6
-5
-5
-4
-3
-2
-2
-3
-3
-5
-6
-7
-7
-7

Feels Like (°C)

-11
-10
-10
-10
-10
-10
-10
-10
-10
-11
-10
-9
-9
-8
-7
-6
-5
-6
-6
-8
-8
-8
-8
-9

Dew Point (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-8
-9
-7
-7
-7
-7
-7
-7
-7
-8
-7
-8
-9
-9
-9
-9

Relative Humidity (%)

90
90
89
89
89
89
85
89
87
87
89
87
82
78
73
71
68
68
72
82
84
83
80
82

Pressure (mb)

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

Ozone (du)

291
295
297
298
302
306
307
306
305
305
308
310
314
317
321
321
325
332
336
342
344
343
339
337

Wednesday 31

Waxing Gibbous 91%

14:42

06:26

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

Sun - Rise: 08:16, Set: 17:07, Transit: 12:42. Moon - Rise: 14:42, Set: 06:26. Civil Dark: 17:41 - 07:42. Nautical Dark: 18:18 - 07:05. Astro Dark: 18:53 - 06:30

Total Clouds (% Sky Obscured)

2
2
2
1
2
4
5
6
6
12
13
17
6
62
45
50
59
69
75
82
85
87
92
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
8
10
16
23
33

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
1
2
2
2
13
12
12
16
21
16
16
10
40
70
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 (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-9
-7
-8
-8
-8
-8
-8
-8
-7
-6
-5
-2
-2
0
0
1
-0
-1
-1
-1
-6
-6

Dew Point (°C)

-10
-10
-10
-9
-10
-10
-10
-10
-9
-8
-7
-6
-6
-6
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

80
80
79
80
77
76
74
74
77
80
84
84
72
65
58
54
57
61
64
70
75
83
81
83

Pressure (mb)

1025
1025
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1018
1017
1017
1016
1016
1016
1017
1017
1017
1016

Ozone (du)

336
335
331
326
328
330
327
331
331
332
332
336
337
334
330
328
330
331
332
333
333
334
335
336

Thursday 1

Waxing Gibbous 97%

15:45

07:40

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:16, Set: 17:08, Transit: 12:42. Moon - Rise: 15:45, Set: 07:40. Civil Dark: 17:42 - 07:42. Nautical Dark: 18:19 - 07:05. Astro Dark: 18:54 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
95
86
89
88
87
82
86
85
93
97
100
100
99
99

Low Clouds (% Sky Obscured)

1
1
1
0
1
2
6
17
30
50
66
80
75
75
70
65
65
65
80
90
99
99
97
96

Medium Clouds (% Sky Obscured)

55
76
100
100
100
100
100
100
100
95
95
86
89
88
87
82
86
85
93
97
99
99
96
98

High Clouds (% Sky Obscured)

100
100
100
69
37
6
11
15
20
25
49
53
66
86
87
82
86
85
55
55
50
50
50
70

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
6
5
4
3
1
0
0
0
0
0
0
0
1
2
3
5
6

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

0
0
0
8
11
12
14
16
16
20
27
35
45
50
53
61
67
71
76
79
79
79
78
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
81
83
86
89
92
92
92
92
92
92
91
93
94
96
96
96
98
98
96
96
96
96

Pressure (mb)

1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1010
1009
1009
1009
1008
1008
1008
1008
1009
1009

Ozone (du)

337
335
334
332
329
326
323
321
318
315
313
311
309
309
309
310
310
311
312
310
309
307
307
306

Friday 2

Waxing Gibbous 100%

17:01

08:41

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:16, Set: 17:09, Transit: 12:43. Moon - Rise: 17:01, Set: 08:41. Civil Dark: 17:43 - 07:42. Nautical Dark: 18:20 - 07:06. Astro Dark: 18:55 - 06:30

Total Clouds (% Sky Obscured)

98
98
98
99
100
100
99
97
95
92
89
82
82
84
83
86
88
89
89
89
90

Low Clouds (% Sky Obscured)

96
95
95
96
98
100
95
91
84
81
78
74
79
82
83
86
88
89
89
89
90

Medium Clouds (% Sky Obscured)

93
89
85
90
90
85
80
80
70
65
65
65
70
75
75
75
80
85
81
72
68

High Clouds (% Sky Obscured)

70
70
75
80
85
80
95
95
95
91
88
82
56
22
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
8
9
9
9
8
8
6
4
2
2
1
0
3
5
7
8
9
9
7
5

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

69
66
64
57
49
38
64
82
95
95
95
95
83
56
29
32
36
40
36
34
39

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0.1
0
0.3
0.6
0.9
0.8
0.9
1
0.5
0.2
0
0
0.1
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
94
94
94
94
96
96
96
96
96
98
96
94
94
94
94
94
96
96

Pressure (mb)

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

Ozone (du)

305
307
309
311
312
314
315
314
312
311
311
311
311
313
315
316
315
314
313
312
312

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

Generated: 27/12/25 22:03:29. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+1.00