Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 5%

10:11

17:58

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 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: 18:41 - 05:59

Total Clouds (% Sky Obscured)

100
84
74
44
28
12
6
2
1
2
1
1
1
3
2
0
14
28
54
74
75
76
61
50

Low Clouds (% Sky Obscured)

70
53
64
42
27
5
3
2
1
2
1
1
1
3
2
0
10
17
54
74
75
76
61
50

Medium Clouds (% Sky Obscured)

8
11
2
0
0
6
3
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
27
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
11
5

ISS Passover

Visibility (miles)

1
1
1
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
1
1

Fog (%)

8
100
100
5
4
16
40
70
23
6
3
13
31
46
2
0
1
3
4
5
2
2
2
2

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 (%)

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

Chance of Frost

Temperature (°C)

-3
-4
-5
-6
-7
-8
-8
-8
-10
-11
-11
-12
-11
-11
-8
-4
-2
-1
0
1
0
-1
-5
-7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
90
90
87
85
83
83
81
81
81
81
81
81
77
69
68
67
69
70
74
84
94
92

Pressure (mb)

1020
1021
1022
1023
1024
1024
1025
1026
1026
1027
1027
1028
1028
1029
1028
1027
1027
1026
1025
1025
1025
1025
1026
1026

Ozone (du)

360
359
356
356
356
352
345
340
337
338
333
326
317
311
309
305
299
297
297
296
299
312
314
316

Saturday 22

Waxing Crescent 10%

11:02

18:54

19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
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: 07:45, Set: 16:56, Transit: 12:20. Moon - Rise: 11:02, Set: 18:54. Civil Dark: 17:28 - 07:12. Nautical Dark: 18:05 - 06:36. Astro Dark: 18:41 - 06:00

Total Clouds (% Sky Obscured)

12
3
4
3
35
35
55
86
100
100
100
100
100
89
89
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
3
3
0
0
0
0
0
0
31
55
87
76
89
85
95
90
94
95
94
96
97
96
97

Medium Clouds (% Sky Obscured)

2
2
0
0
0
35
55
86
100
100
100
100
100
89
87
92
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

1
0
1
1
25
25
41
64
93
100
20
20
3
2
2
30
78
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
8
2
1
1
1
2
1
0
0
1
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
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
5
37
56
57
45
43
42
68
66
54
86
88
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.1
0.1
0.4
0.4
0
0.6
0.8
1
1.2
1.6
2.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-9
-10
-11
-11
-11
-10
-9
-9
-8
-6
-4
-4
-2
-2
-1
1
1
3
3
3
4
4
4
4

Feels Like (°C)

-13
-13
-13
-13
-13
-15
-13
-13
-12
-10
-8
-8
-5
-5
-5
-3
-2
-1
-1
0
2
2
2
2

Dew Point (°C)

-10
-11
-13
-14
-15
-15
-14
-13
-12
-11
-9
-8
-6
-5
-5
-2
0
2
2
3
4
4
4
4

Relative Humidity (%)

92
88
81
76
72
69
69
69
68
70
72
73
76
77
74
83
93
94
93
98
100
100
100
98

Pressure (mb)

1026
1027
1027
1026
1026
1025
1024
1023
1022
1020
1019
1018
1018
1019
1019
1018
1018
1017
1016
1016
1015
1014
1013
1013

Ozone (du)

322
320
318
313
307
305
302
302
304
306
303
301
302
303
301
298
294
295
295
295
297
296
293
294

Sunday 23

Waxing Crescent 16%

11:43

18:54

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
18 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: 18:40 - 06:01

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)

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

Medium 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

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
60
36
55
70
85
100
67
33
5

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 (%)

1
1
1
98
95
1
11
98
98
98
98
97
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

2.4
3.2
3.4
3.1
3.1
2.6
3
2.8
2.9
2.1
1.9
2.4
2.3
2.1
2.2
2.2
1.8
2.1
3
4.6
4.2
3.5
2.5
1.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
2

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1012
1013
1013
1012
1012
1011
1010
1010
1009
1008
1007
1006
1006
1006
1005
1004
1004
1003
1002
1001
1001
1000
1001
1001

Ozone (du)

288
284
283
286
286
285
286
286
285
285
286
285
286
290
291
292
292
292
296
296
298
299
302
301

Monday 24

Waxing Crescent 25%

12:16

19:58

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
18 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: 18:04 - 06:38. Astro Dark: 18:40 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

100
100
100
98
96
94
96
98
100
99
98
97
98
99
100
100
100
100
100
100
100
97
94
90

Medium Clouds (% Sky Obscured)

100
100
100
88
77
66
61
59
58
72
85
100
99
99
98
97
95
94
72
75
99
83
77
79

High Clouds (% Sky Obscured)

5
5
10
10
10
10
10
4
15
7
1
15
15
7
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
0
0
0
0
0
0
0
0

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
80
65
65
58
53
48
51
67
71
62
61
59
57
61
68
69
79
81

Precipitation Amount (mm)

2.1
2
3.5
3.9
1.6
0.9
0.4
0.3
0.4
0.3
0.3
0
0
0.4
0.4
0.3
0.3
0.3
0.2
0.3
0.3
0.3
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
98
98
100
100
100
100
100
98
98
98
100
98
96
96
98
98
98
98
100
100

Pressure (mb)

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

Ozone (du)

302
302
302
301
304
306
308
310
315
317
320
322
325
325
328
327
320
317
318
318
317
317
317
314

Tuesday 25

Waxing Crescent 34%

12:42

21:08

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
18 Bad

Sun - Rise: 07:49, Set: 16:54, Transit: 12:21. Moon - Rise: 12:42, Set: 21:08. Civil Dark: 17:27 - 07:16. Nautical Dark: 18:04 - 06:39. Astro Dark: 18:39 - 06:03

Total Clouds (% Sky Obscured)

96
93
93
95
93
95
94
93
95
96
97
99
98
98
98
98
98
98
99
98
97
97
99
98

Low Clouds (% Sky Obscured)

91
91
90
91
93
94
92
91
90
91
91
91
94
93
94
91
88
83
84
85
86
86
87
92

Medium Clouds (% Sky Obscured)

84
85
85
75
70
70
65
65
65
65
70
75
45
35
25
20
20
35
35
24
24
19
20
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
0
5
5
10
15
30
31
28
14
4
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

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

Precipitation Probability (%)

73
74
76
77
70
66
69
65
60
61
54
51
63
60
57
59
54
48
51
48
40
40
38
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1012
1013
1013
1013
1013
1013
1013
1014
1014
1015
1017

Ozone (du)

314
316
318
319
323
327
326
326
324
324
322
323
324
325
325
325
326
326
327
328
328
328
330
331

Wednesday 26

Waxing Crescent 44%

13:04

22:19

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 OK
08 OK
09 Good
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:50, Set: 16:53, Transit: 12:22. Moon - Rise: 13:04, Set: 22:19. Civil Dark: 17:26 - 07:17. Nautical Dark: 18:03 - 06:40. Astro Dark: 18:39 - 06:04

Total Clouds (% Sky Obscured)

97
96
93
94
94
98
90
81
71
59
46
34
28
22
16
14
12
10
37
64
86
86
85
80

Low Clouds (% Sky Obscured)

86
81
78
69
61
52
42
34
25
15
10
8
8
8
7
6
4
3
21
38
56
58
52
15

Medium Clouds (% Sky Obscured)

18
21
23
33
55
85
84
77
63
43
27
11
6
4
2
2
2
2
3
3
4
3
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
0
0
1
1
2
1
1
1
1
1
1
1
1
3
6
8

ISS Passover

Visibility (miles)

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

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

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

Precipitation Probability (%)

34
30
29
34
25
15
23
20
6
16
17
5
14
17
2
8
12
1
3
7
8
9
10
8

Precipitation Amount (mm)

0
0
0
0.1
0
0
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
1
2
2
3
3
3
3
3
3
3
0
0
0
0
0
1
0
0
0
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-5
-6
-6
-7
-8
-9
-11
-12
-12
-12
-13
-13
-13
-14
-13
-11
-9
-8
-2
-2
-2
-2
-2

Dew Point (°C)

-2
-3
-5
-6
-7
-8
-9
-9
-10
-10
-11
-12
-12
-11
-10
-8
-6
-4
-1
-2
-1
-1
-3
-4

Relative Humidity (%)

94
92
91
89
87
87
85
85
83
85
85
85
83
85
85
85
85
87
89
91
92
96
94
94

Pressure (mb)

1018
1019
1020
1021
1021
1022
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1024
1023
1022
1022
1022
1022
1024
1025

Ozone (du)

332
333
334
335
336
336
336
335
334
333
332
330
329
324
319
315
315
314
314
313
313
312
311
310

Thursday 27

Waxing Crescent 55%

13:23

23:31

19 Bad
20 Bad
21 OK
22 OK
23 OK
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

Sun - Rise: 07:52, Set: 16:52, Transit: 12:22. Moon - Rise: 13:23, Set: 23:31. Civil Dark: 17:26 - 07:18. Nautical Dark: 18:03 - 06:41. Astro Dark: 18:39 - 06:05

Total Clouds (% Sky Obscured)

59
44
29
22
14
5
5
4
4
3
3
3
2
2
1
2
1
1

Low Clouds (% Sky Obscured)

8
3
4
7
5
2
2
2
2
2
1
1
1
1
1
2
1
1

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
7
3
7
6
0
1
4
0
0
1
0
4
5
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

Wind Speed/Direction (mph)

3
5
6
8
8
9
9
9
10
10
9
9
8
7
5
3
2
0

Chance of Frost

Temperature (°C)

-5
-6
-8
-9
-9
-9
-9
-10
-10
-10
-10
-11
-11
-9
-7
-5
-2
1

Feels Like (°C)

-3
-9
-11
-12
-12
-13
-13
-13
-13
-13
-13
-13
-13
-13
-12
-12
-9
-7

Dew Point (°C)

-7
-8
-10
-12
-12
-12
-12
-13
-13
-14
-14
-14
-14
-12
-10
-7
-4
-2

Relative Humidity (%)

90
89
85
81
81
80
80
80
78
77
77
76
76
80
80
82
84
86

Pressure (mb)

1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1026
1025
1024
1023

Ozone (du)

309
310
311
313
312
310
309
308
306
305
304
302
301
301
301
301
301
300

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

Generated: 21/11/25 19:12:44. Forecast: 21/11/25 to 27/11/25. Timezone: UTC+1.00