Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 12%

10:36

19:04

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: 08:02, Set: 16:58, Transit: 12:30. Moon - Rise: 10:36, Set: 19:04. Civil Dark: 17:30 - 07:29. Nautical Dark: 18:06 - 06:53. Astro Dark: 18:41 - 06:18

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
93
86
100
89
100
100
90
85
81
84
87
90
90
81
77
43
64
57
61
58
40
39

Medium Clouds (% Sky Obscured)

97
100
100
99
100
100
100
100
100
100
100
100
100
99
87
71
55
92
100
100
100
81
74
100

High 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
99

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
66
95
95
95
95
95
95
95
86
48
34
31
19
16
29
23
36
33
48
56
52
55
61

Precipitation Amount (mm)

0.3
0
0.8
1.1
0.6
0.9
0.9
1.2
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
10
9
10
10
9
9
10
10
10
10
10
10
11
11
12
13
13
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
6
6
6
6
6
7
7
6

Relative Humidity (%)

77
74
77
77
80
76
78
80
78
76
74
74
73
71
69
68
70
67
64
64
65
69
70
71

Pressure (mb)

1008
1008
1008
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007

Ozone (du)

386
391
397
400
406
410
411
411
413
412
410
409
406
405
403
402
403
401
397
396
398
399
400
398

Tuesday 23

Waxing Crescent 19%

11:01

20:13

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: 08:02, Set: 16:58, Transit: 12:30. Moon - Rise: 11:01, Set: 20:13. Civil Dark: 17:31 - 07:30. Nautical Dark: 18:07 - 06:53. Astro Dark: 18:42 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
90
65
63
85
93
88
100
100
100
100
99
100
73
76
86
74
72
65
64

Low Clouds (% Sky Obscured)

64
66
64
50
25
25
20
10
15
10
10
10
10
15
20
16
19
17
12
22
50
60
65
64

Medium Clouds (% Sky Obscured)

100
100
100
100
100
90
65
63
85
89
88
87
70
77
59
41
74
67
43
82
74
72
65
64

High Clouds (% Sky Obscured)

72
79
95
100
100
68
12
27
50
74
47
100
84
90
93
91
95
25
20
25
25
25
25
25

ISS Passover

Visibility (miles)

9
9
9
7
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

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

Precipitation Probability (%)

75
84
95
87
79
72
58
52
39
40
37
18
18
17
19
19
22
25
40
31
45
43
49
53

Precipitation Amount (mm)

0.3
0.6
1
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
8
6
5
5
5
4
5
4
5
5
6
5
6
6
6
5
2
1
2
3
3
4
4

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
11
13
13
13
13
12
12
12

Feels Like (°C)

7
7
7
7
8
7
8
7
7
7
7
7
7
7
7
7
9
11
11
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

71
71
71
74
80
80
77
76
77
76
76
76
74
76
74
73
72
65
64
68
71
77
80
80

Pressure (mb)

1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

397
400
399
399
399
398
398
397
397
397
398
396
394
390
387
389
390
391
391
390
390
394
397
399

Wednesday 24

Waxing Crescent 28%

11:22

21:23

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK

Sun - Rise: 08:03, Set: 16:59, Transit: 12:31. Moon - Rise: 11:22, Set: 21:23. Civil Dark: 17:32 - 07:30. Nautical Dark: 18:07 - 06:54. Astro Dark: 18:42 - 06:19

Total Clouds (% Sky Obscured)

57
83
81
84
67
67
76
83
97
96
91
99
68
73
71
44
40
37
31
31
29
27
27
30

Low Clouds (% Sky Obscured)

48
22
32
72
62
59
65
59
63
61
63
60
35
45
41
3
2
3
0
3
4
3
3
7

Medium Clouds (% Sky Obscured)

57
83
81
84
67
67
76
83
97
95
91
90
68
73
71
28
21
19
17
17
17
16
15
19

High Clouds (% Sky Obscured)

25
35
40
40
40
40
40
24
19
22
4
2
3
22
24
3
2
1
2
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
40
39
51
67
44
32
41
49
55
53
32
20
11
10
10
10
9
8
13
12
9
13
13

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
10
9
9
9
9
9
9
9
9
9
9
8
8
10
12
13
14
14
13
12
10

Feels Like (°C)

9
8
8
6
6
4
4
4
4
5
5
5
4
4
4
4
7
10
10
12
12
11
10
8

Dew Point (°C)

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

Relative Humidity (%)

80
77
76
69
69
68
65
60
60
60
60
63
61
59
59
58
55
49
42
40
40
43
48
55

Pressure (mb)

1005
1006
1007
1008
1008
1009
1010
1010
1011
1012
1012
1013
1013
1014
1015
1016
1017
1017
1016
1016
1016
1016
1017
1018

Ozone (du)

403
403
400
400
401
401
400
402
404
400
397
396
396
398
398
400
401
400
399
401
401
399
398
397

Thursday 25

Waxing Crescent 38%

11:42

22:32

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:03, Set: 17:00, Transit: 12:31. Moon - Rise: 11:42, Set: 22:32. Civil Dark: 17:32 - 07:30. Nautical Dark: 18:08 - 06:54. Astro Dark: 18:43 - 06:19

Total Clouds (% Sky Obscured)

28
31
41
53
58
56
55
61
72
72
73
75
73
87
89
95
100
100
100
100
99
98
55
51

Low Clouds (% Sky Obscured)

6
3
3
2
0
0
0
0
0
0
2
0
2
2
2
2
0
0
0
0
0
0
2
5

Medium Clouds (% Sky Obscured)

25
21
20
19
18
18
20
25
30
36
44
54
60
45
36
29
32
39
41
90
93
91
25
23

High Clouds (% Sky Obscured)

0
25
41
53
58
52
41
50
70
72
73
75
73
87
89
95
100
100
100
100
99
98
55
25

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 (%)

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

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
8
8
7
7
7
7
7
8
9
11
12
13
13
13
12
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
59
59
59
59
59
59
60
61
61
61
59
61
59
57
55
50
46
43
43
47
51
56

Pressure (mb)

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

Ozone (du)

399
400
402
402
403
403
402
401
402
402
402
401
401
402
405
406
408
408
405
401
395
392
392
391

Friday 26

Waxing Crescent 36%

12:01

23:42

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 08:03, Set: 17:00, Transit: 12:32. Moon - Rise: 12:01, Set: 23:42. Civil Dark: 17:33 - 07:31. Nautical Dark: 18:09 - 06:54. Astro Dark: 18:44 - 06:19

Total Clouds (% Sky Obscured)

47
52
51
67
57
39
33
40
28
2
1
2
3
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

9
12
11
11
8
6
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
10
9
8
7
4
3
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
10
12
45
29
11
4
18
15
1
1
2
3
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 (%)

2
3
3
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)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
8
7
7
7
7
7
8
9
10
11
12
13
13
12
11
10

Feels Like (°C)

6
6
6
6
4
4
5
5
3
4
5
5
5
4
5
5
6
6
7
7
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

59
58
58
58
56
55
55
54
54
54
54
53
53
53
50
50
48
44
42
40
42
45
48
49

Pressure (mb)

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

Ozone (du)

388
385
383
379
377
376
373
373
373
371
368
364
362
360
357
354
351
347
343
339
338
336
334
334

Saturday 27

First Quarter 49%

12:22

00:54

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

Sun - Rise: 08:04, Set: 17:01, Transit: 12:32. Moon - Rise: 12:22, Set: 00:54. Civil Dark: 17:34 - 07:31. Nautical Dark: 18:09 - 06:55. Astro Dark: 18:44 - 06:20

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
32
48
45
42
39
35
32

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
9
16

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
16
32
48
45
37
39
31
20

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
12
16

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

Chance of Frost

Temperature (°C)

9
8
8
8
7
7
7
7
7
7
7
6
6
6
7
8
9
10
11
12
12
11
11
9

Feels Like (°C)

11
11
7
7
7
6
7
7
5
4
4
4
4
5
3
4
5
5
6
6
10
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

52
54
51
49
46
45
43
42
42
42
41
41
40
40
38
37
36
35
33
31
38
45
53
53

Pressure (mb)

1023
1023
1023
1022
1022
1022
1021
1020
1020
1019
1018
1018
1017
1016
1016
1016
1016
1014
1013
1012
1012
1012
1012
1013

Ozone (du)

335
335
332
330
327
327
327
326
327
327
328
331
333
336
336
336
335
333
331
329
323
317
311
313

Sunday 28

Waxing Gibbous 61%

12:45

02:09

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

Sun - Rise: 08:04, Set: 17:02, Transit: 12:33. Moon - Rise: 12:45, Set: 02:09. Civil Dark: 17:34 - 07:31. Nautical Dark: 18:10 - 06:55. Astro Dark: 18:45 - 06:20

Total Clouds (% Sky Obscured)

28
22
15
9
10
12
14
10
6
1
4
6
11
7
4
0
0
0
0

Low Clouds (% Sky Obscured)

21
13
8
2
4
6
10
6
3
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

9
9
7
6
4
4
4
4
5
1
4
6
11
7
4
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

Fog (%)

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

Precipitation Probability (%)

15
36
42
43
45
38
21
29
24
4
6
5
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

Wind Speed/Direction (mph)

3
5
5
6
9
7
5
5
5
5
6
6
6
6
6
6
5
2
0

Chance of Frost

Temperature (°C)

8
7
7
7
6
6
5
5
5
4
4
4
4
4
5
6
7
8
10

Feels Like (°C)

9
8
5
5
4
4
4
4
2
2
2
2
2
2
1
2
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

53
53
62
71
81
72
66
60
58
55
54
52
50
50
45
42
39
33
28

Pressure (mb)

1014
1015
1016
1017
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1023
1024
1024
1024
1024

Ozone (du)

315
317
324
330
337
335
333
332
332
332
332
329
327
325
324
324
323
323
323

Forecast for Nice, Alpes-Maritimes, France (43.71,7.26)

Generated: 22/12/25 18:05:13. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+1.00