Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

07:01

16:05

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

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)

40
40
14
0
0
0
0
0
1
2
3
3
38
28
73
84
86
33
92
100
100
100
100
55

Low Clouds (% Sky Obscured)

40
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
19
34
35
25
67
16

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
1
1
2
38
28
73
84
86
26
76
100
100
91
100
16

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 (%)

2
2
2
2
5
0
0
0
0
0
0
0
0
0
0
0
1
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
3
5
7
5
5
4
4
5
5
4
3
3
3
1
0
0
0
2
2
2
1
0
0

Chance of Frost

Temperature (°C)

1
0
-0
-1
-1
-1
-1
0
-0
0
0
-0
-1
-1
1
3
5
7
8
7
7
6
5
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
83
74
67
62
60
59
58
59
58
56
55
54
53
50
44
40
41
44
47
51
62
69

Pressure (mb)

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

Ozone (du)

280
280
281
284
283
280
280
279
279
278
273
269
272
273
273
275
275
279
288
287
287
286
282
283

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)

30
49
61
94
95
100
100
100
100
100
100
100
100
97
93
95
100
100
100
91
89
88
83
80

Low Clouds (% Sky Obscured)

1
1
1
14
22
75
100
100
100
100
100
87
86
84
89
95
100
100
100
78
81
80
83
80

Medium Clouds (% Sky Obscured)

3
42
49
90
89
100
100
100
100
100
100
100
100
89
66
43
67
69
37
32
67
68
41
32

High Clouds (% Sky Obscured)

15
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
7
2
0
0
0
0
1
1
0
1
1
1
1
2
1
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
99
84
62
40
15
6
0
2
1
2
1
1
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
2
6
12
41
95
95
95
95
95
86
61
45
36
31
35
49
61
69
71
70
63
57

Precipitation Amount (mm)

0
0
0
0
0
0
1.2
1.9
1.7
1.5
1.2
0.4
0
0.1
0
0
0
0
0.2
0.4
0.4
0.5
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
77
77
76
74
77
84
94
94
94
96
94
98
100
89
84
80
76
71
70
78
94
96

Pressure (mb)

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

Ozone (du)

288
287
287
284
284
286
282
282
293
296
301
305
309
316
319
323
327
331
335
340
345
349
351
349

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)

77
75
76
78
83
83
82
62
48
35
40
66
57
35
35
43
100
70
28
55
77
100
99
98

Low Clouds (% Sky Obscured)

77
75
76
78
83
83
82
62
48
35
40
40
40
35
35
40
35
40
28
49
62
69
73
73

Medium Clouds (% Sky Obscured)

35
40
40
40
40
40
40
40
40
35
30
66
57
35
35
43
100
70
28
55
77
100
99
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
3
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
0
0
0
0
0
0
0
0

Fog (%)

0
0
8
9
2
2
2
2
2
2
2
2
2
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

57
63
64
66
65
60
60
60
65
69
70
65
60
56
58
59
55
56
57
60
64
67
67
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
94
94
94
94
96
94
96
94
94
94
94
92
91
89
89
91
91
92
94
96

Pressure (mb)

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

Ozone (du)

347
348
346
348
348
352
352
353
352
350
350
349
347
345
345
345
346
350
353
353
356
359
360
362

Friday 21

Waxing Crescent 5%

10:11

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

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)

98
97
96
95
75
54
34
26
21
18
20
20
25
35
34
43
25
59
70
80
78
75
42
22

Low Clouds (% Sky Obscured)

73
70
63
50
40
35
34
26
21
18
20
20
25
35
34
38
7
15
15
38
62
70
42
22

Medium Clouds (% Sky Obscured)

96
95
90
93
69
49
25
15
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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
1
1
1
1
1
1
2
4
9
9
8
9
9
9
9
9

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

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

Precipitation Probability (%)

63
59
52
46
39
36
28
22
20
19
6
15
2
1
4
2
1
0
8
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.3
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

0
0
0
0
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
2
1
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-8
-8
-9
-9
-10
-10
-12
-12
-12
-12
-13
-13
-13
-10
-6
-4
-4
-4
-3
-3
-4
-9

Dew Point (°C)

-4
-5
-5
-5
-6
-7
-7
-8
-9
-10
-10
-10
-10
-10
-10
-7
-5
-5
-4
-4
-4
-4
-3
-7

Relative Humidity (%)

96
96
94
96
94
94
94
92
88
90
88
90
90
90
88
89
84
81
80
77
74
75
89
90

Pressure (mb)

1019
1020
1021
1022
1022
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1024
1023
1022
1022
1022
1022
1023

Ozone (du)

363
362
360
358
357
354
349
343
337
333
330
323
319
317
313
306
301
302
302
309
322
325
323
325

Saturday 22

Waxing Crescent 10%

11:02

17:58

18 OK
19 Good
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
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)

17
18
34
63
63
80
75
78
76
83
89
94
98
99
99
99
99
100
100
99
98
96
84
70

Low Clouds (% Sky Obscured)

17
12
7
1
1
0
0
0
0
0
5
12
27
39
66
93
94
94
96
90
84
78
64
51

Medium Clouds (% Sky Obscured)

4
6
9
16
56
80
75
74
72
71
74
80
85
95
92
88
84
80
81
62
37
17
29
44

High Clouds (% Sky Obscured)

0
18
34
63
56
28
0
0
0
0
0
0
5
0
4
3
5
5
3
9
14
11
34
67

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
8

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

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
1
0
4
12
12
4
13
16
6
26
37
39
31
24

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-12
-12
-13
-14
-14
-14
-14
-13
-11
-10
-10
-8
-8
-6
-5
-4
-4
-3
-3
1
1
1
0

Dew Point (°C)

-9
-11
-12
-13
-14
-14
-14
-14
-12
-11
-10
-9
-8
-7
-5
-4
-3
-2
-1
-1
0
1
2
-0

Relative Humidity (%)

88
85
83
78
75
72
71
69
71
71
73
73
75
76
75
73
72
72
73
73
79
88
96
93

Pressure (mb)

1024
1024
1024
1024
1024
1023
1022
1022
1021
1020
1019
1019
1018
1018
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

328
330
330
328
321
316
312
307
308
308
309
309
308
309
307
306
305
304
302
301
299
297
295
294

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
13 Bad
14 Bad
15 Bad
16 Bad
17 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)

59
53
47
46
56
67
77
84
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
30
18
5
3
3
3
26
45
57
38
24
23
23
32
40
64
82
98
80
63
45
55
70

Medium Clouds (% Sky Obscured)

59
53
47
46
56
41
16
13
16
28
55
77
100
100
100
100
100
100
100
100
100
100
99
98

High Clouds (% Sky Obscured)

59
53
47
46
56
67
77
84
92
100
100
100
100
100
100
100
100
100
100
100
100
100
92
93

ISS Passover

Visibility (miles)

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

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

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

Precipitation Probability (%)

10
9
8
0
5
7
2
27
34
28
43
48
46
55
68
85
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0.2
0.3
0.5
1
1.4
2.1
2
2
1.9
1.4
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
89
89
87
86
87
87
86
86
86
86
86
86
86
85
85
85
85
85
86
86
86
88

Pressure (mb)

1017
1017
1017
1017
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1006
1005
1004
1004
1003
1002
1001
1001
1000
1001

Ozone (du)

293
292
289
287
285
285
284
284
285
285
285
285
285
285
285
285
285
287
290
292
292
291
291
292

Monday 24

Waxing Crescent 25%

12:16

19:58

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

Sun - Rise: 07:48, Set: 16:54, Transit: 12:21. Moon - Rise: 12:16, Set: 19:58. Civil Dark: 17:27 - 07:15. Nautical Dark: 18:05 - 06:38. Astro Dark: 18:40 - 06:02

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

95
98
99
100
100
100
100
91
81
72
71
73
71
64
57
46
49
51
50

Medium Clouds (% Sky Obscured)

98
96
97
97
99
100
100
100
100
99
84
70
55
62
67
73
71
68
68

High Clouds (% Sky Obscured)

95
95
95
95
90
55
55
61
65
64
70
70
70
28
4
4
0
0
0

ISS Passover

Visibility (miles)

3
0
0
0
0
1
1
2
4
7
9
9
9
9
9
9
9
9
9

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
93
70
38
36
32
33
39
42
41
43
43
38

Precipitation Amount (mm)

0.6
1.1
1.4
1.7
1.5
1.3
1
0.6
0.3
0
0
0
0
0.1
0.1
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
94
94
94
94
96
92
91
89
89
87
87
87
88
88
86
88

Pressure (mb)

1001
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1005
1004
1004
1004
1004
1004

Ozone (du)

293
294
294
295
295
297
298
300
301
302
303
304
305
307
307
308
309
311
313

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

Generated: 18/11/25 17:47:40. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+1.00