Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 3%

05:54

15:42

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

Sun - Rise: 07:39, Set: 17:00, Transit: 12:19. Moon - Rise: 05:54, Set: 15:42. Civil Dark: 17:32 - 07:06. Nautical Dark: 18:09 - 06:30. Astro Dark: 18:44 - 05:55

Total Clouds (% Sky Obscured)

95
90
74
82
62
40
42
46
49
36
28
10
2
1
3
2
19
36
48
61
95
88
71
75

Low Clouds (% Sky Obscured)

79
52
69
81
61
40
41
39
37
27
20
9
2
1
1
0
11
19
24
30
34
33
30
53

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
2
2
0
0
2
1
12
9
3
1

ISS Passover

Visibility (miles)

0
0
0
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
1
2
3
9
19
2
11
27
34
38
47
0
0
2
15
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
20
4
3
2
0
0
4
1
1
0
0
0
0
1
1
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
4
2
0
0
1
2
1
1
1
3
4
4
4
4
2
0
2
3
5
5
5
4
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
100
98
96
93
93
93
89
89
87
86
84
81
79
78
73
65
62
61
62
63
68
77
93

Pressure (mb)

1014
1015
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1018
1018
1017
1017
1018
1019

Ozone (du)

283
280
279
278
280
282
285
284
281
280
278
277
271
270
270
274
274
275
277
279
281
281
279
278

Tuesday 18

Waning Crescent 1%

07:01

16:05

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

Sun - Rise: 07:40, Set: 16:59, Transit: 12:19. Moon - Rise: 07:01, Set: 16:05. Civil Dark: 17:31 - 07:07. Nautical Dark: 18:08 - 06:31. Astro Dark: 18:44 - 05:56

Total Clouds (% Sky Obscured)

69
24
17
20
4
1
1
1
1
1
0
8
20
24
68
55
35
35
40
56
93
99
40
35

Low Clouds (% Sky Obscured)

61
24
17
20
3
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
48
55
1
2

High Clouds (% Sky Obscured)

1
1
1
1
1
0
0
0
0
0
0
4
20
23
68
55
35
35
40
45
40
39
30
15

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
9
12
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
89
83
80
79
76
75
71
68
67
64
62
62
62
58
51
52
53
56
59
61
69
80

Pressure (mb)

1019
1020
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1012
1012
1011
1011
1010
1010
1011
1011

Ozone (du)

279
280
283
283
280
278
277
275
275
275
274
271
272
276
276
276
277
284
289
291
293
290
287
287

Wednesday 19

Waning Crescent 0%

08:07

16:34

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
16 Bad
17 Bad

Sun - Rise: 07:41, Set: 16:58, Transit: 12:20. Moon - Rise: 08:07, Set: 16:34. Civil Dark: 17:31 - 07:09. Nautical Dark: 18:08 - 06:32. Astro Dark: 18:43 - 05:57

Total Clouds (% Sky Obscured)

43
86
86
100
81
95
100
100
100
100
100
100
100
100
100
100
81
89
93
96
98
100
100
100

Low Clouds (% Sky Obscured)

5
15
35
54
57
62
63
80
100
100
100
100
100
100
70
81
79
81
83
89
95
99
99
100

Medium Clouds (% Sky Obscured)

11
43
85
100
71
92
100
100
100
100
100
100
100
100
100
100
59
79
89
94
96
100
98
96

High Clouds (% Sky Obscured)

15
10
10
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
1
9
9
13
12
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

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

Precipitation Probability (%)

0
1
2
4
7
19
59
93
95
95
95
95
95
77
69
62
67
73
75
69
74
82
89
94

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.7
0.9
1.2
1.4
1.3
0.6
0.3
0.3
0.2
0.4
0.5
0.5
0.4
0.4
0.5
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
81
81
81
83
84
81
80
91
94
96
96
94
96
94
89
89
88
84
83
83
89
98

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1011
1010
1010
1010
1011
1011
1012
1013
1014
1014
1015
1014
1014
1013
1013
1014
1014

Ozone (du)

289
285
283
283
287
291
290
289
289
289
296
306
312
316
320
325
331
336
343
349
351
354
357
356

Thursday 20

New Moon 2%

09:12

17:11

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
16 Bad
17 Bad

Sun - Rise: 07:43, Set: 16:57, Transit: 12:20. Moon - Rise: 09:12, Set: 17:11. Civil Dark: 17:30 - 07:10. Nautical Dark: 18:07 - 06:33. Astro Dark: 18:42 - 05:58

Total Clouds (% Sky Obscured)

100
99
97
96
97
98
98
93
89
85
84
83
84
69
52
50
58
73
84
85
83
81
63
77

Low Clouds (% Sky Obscured)

100
99
97
96
96
97
98
91
86
79
81
83
84
69
52
45
29
42
56
52
59
54
41
49

Medium Clouds (% Sky Obscured)

94
91
88
85
76
69
55
49
43
32
29
17
10
15
15
7
10
10
1
1
17
2
1
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
0
0
0
0
0
0
0
1
4
5
3
3
2
3
5

Fog (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

94
91
91
89
88
83
79
80
71
56
54
49
40
32
32
25
28
18
23
25
30
27
25
24

Precipitation Amount (mm)

0.7
0.6
0.6
0.6
0.6
0.4
0.4
0.5
0.3
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

0
0
0
0
0
1
1
0
1
2
2
1
1
1
1
1
1
0
1
2
2
2
1
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
96
96
96
94
96
94
94
94
92
86
81
74
71
73
78
87
92

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1024

Ozone (du)

353
350
346
344
344
341
339
337
344
351
355
356
356
355
354
352
347
349
349
351
351
351
351
354

Friday 21

Waxing Crescent 5%

10:11

17:58

18 Bad
19 Bad
20 Bad
21 OK
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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:44, Set: 16:56, Transit: 12:20. Moon - Rise: 10:11, Set: 17:58. Civil Dark: 17:29 - 07:11. Nautical Dark: 18:06 - 06:34. Astro Dark: 18:42 - 05:59

Total Clouds (% Sky Obscured)

75
75
31
8
8
7
7
8
8
8
6
11
10
8
6
5
24
43
63
63
65
66
77
88

Low Clouds (% Sky Obscured)

40
45
25
5
5
5
6
6
6
6
5
5
5
4
3
3
2
1
0
7
14
21
33
42

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
25
31
43
63
66
77
88

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
14
27
43
58
65
66
77
88

ISS Passover

Visibility (miles)

1
3
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

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
Snow

Precipitation Probability (%)

23
14
13
15
9
9
3
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
19
37

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
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-5
-6
-7
-8
-8
-9
-10
-10
-10
-12
-12
-12
-12
-9
-6
-3
-2
0
2
1
1
0
-1

Feels Like (°C)

-9
-9
-11
-10
-10
-11
-12
-13
-13
-13
-14
-15
-15
-15
-14
-12
-11
-10
-8
-7
-1
-1
-2
-2

Dew Point (°C)

-5
-7
-8
-9
-10
-11
-12
-13
-12
-13
-14
-15
-15
-15
-13
-11
-9
-8
-6
-5
-4
-3
-3
-4

Relative Humidity (%)

92
90
90
87
85
83
82
81
81
83
83
81
79
79
74
69
64
63
61
59
68
74
81
80

Pressure (mb)

1025
1026
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1026
1025
1024
1022
1021
1021
1020
1020

Ozone (du)

353
351
347
342
336
334
327
319
316
313
310
296
294
297
297
296
296
297
299
300
302
304
306
307

Saturday 22

Waxing Crescent 10%

11:02

17:58

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
16 Bad
17 Bad

Sun - Rise: 07:45, Set: 16:56, Transit: 12:20. Moon - Rise: 11:02, Set: 17:58. Civil Dark: 17:28 - 07:12. Nautical Dark: 18:06 - 06:36. Astro Dark: 18:41 - 06:00

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)

35
49
58
77
89
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90

Medium Clouds (% Sky Obscured)

94
96
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
96
93
65
32
0
28
57
75
51
28
4
19
39
67
81
96

ISS Passover

Visibility (miles)

9
9
7
4
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2

Fog (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

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

Precipitation Probability (%)

43
75
95
95
95
95
95
95
95
95
95
95
95
95
95
95
92
80
65
60
68
65
68
81

Precipitation Amount (mm)

0
0.4
0.8
1
1.1
1.6
2
1.7
1.9
1.8
1.7
1.7
1.5
1
0.9
0.8
0.7
0.6
0.3
0.3
0.5
0.4
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
76
78
77
81
84
88
91
93
96
96
98
96
96
96
96
96
96
96
96
96
94
96

Pressure (mb)

1020
1019
1018
1018
1017
1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

309
310
312
315
317
320
322
325
322
319
316
313
309
306
304
302
300
301
302
303
304
305
306
304

Sunday 23

Waxing Crescent 16%

11:43

18:54

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: 07:47, Set: 16:55, Transit: 12:21. Moon - Rise: 11:43, Set: 18:54. Civil Dark: 17:28 - 07:14. Nautical Dark: 18:05 - 06:37. Astro Dark: 18:41 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

87
91
96
99
96
96
97
98
99
100
99
98
97
88
80
68
72
76
78

Medium Clouds (% Sky Obscured)

100
100
100
100
99
98
97
88
79
71
81
90
100
100
100
100
95
90
85

High Clouds (% Sky Obscured)

100
90
80
71
54
60
49
53
61
75
78
82
85
86
97
95
100
99
99

ISS Passover

Visibility (miles)

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

Fog (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

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 (%)

85
82
84
83
83
83
84
82
83
87
93
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.5
0.5
0.6
0.5
0.6
0.6
0.6
0.5
0.5
0.5
0.6
0.7
0.8
0.9
0.9
1
1.1
1.2
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
96
96
94
96
96
94
94
93
89
89
88
88

Pressure (mb)

1017
1018
1018
1018
1018
1017
1016
1015
1015
1014
1013
1013
1012
1012
1012
1011
1011
1010
1008

Ozone (du)

301
299
299
300
300
300
299
299
298
297
295
297
298
300
297
294
291
291
292

Forecast for Ugine, Savoy, France (45.75,6.42)

Generated: 17/11/25 18:19:06. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+1.00