Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 19%

05:19

14:27

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

Sun - Rise: 08:33, Set: 17:33, Transit: 13:03. Moon - Rise: 05:19, Set: 14:27. Civil Dark: 18:05 - 08:01. Nautical Dark: 18:41 - 07:25. Astro Dark: 19:16 - 06:51

Total Clouds (% Sky Obscured)

6
20
26
35
27
16
26
48
55
47
100
100
85
100
100
100
100
100
100
100
99
100
100
99

Low Clouds (% Sky Obscured)

5
5
8
1
2
10
13
11
12
28
2
4
8
10
8
3
31
67
23
67
38
72
59
73

Medium Clouds (% Sky Obscured)

6
20
26
28
18
2
1
27
16
8
11
23
38
13
29
94
100
100
100
98
82
81
99
79

High Clouds (% Sky Obscured)

2
2
2
1
1
1
2
0
55
47
100
100
72
100
100
100
71
55
93
99
85
100
99
93

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
4
7
3
2
2
2
4
4
4
6
9
9
12
15
16
16
19
20
23
17
22

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)

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

Chance of Frost

Temperature (°C)

13
13
14
15
15
15
15
15
15
14
14
13
13
12
12
12
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
75
70
70
69
73
74
73
75
75
76
77
83
86
87
88
88
87
86
83
83
83
84

Pressure (mb)

1012
1011
1011
1011
1011
1010
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

310
308
308
310
312
313
313
313
312
313
314
317
320
322
326
332
332
339
338
330
330
329
333
337

Tuesday 16

Waning Crescent 12%

06:24

14:51

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:34, Set: 17:33, Transit: 13:03. Moon - Rise: 06:24, Set: 14:51. Civil Dark: 18:05 - 08:01. Nautical Dark: 18:41 - 07:26. Astro Dark: 19:16 - 06:51

Total Clouds (% Sky Obscured)

98
99
100
99
98
96
96
90
96
98
100
100
86
79
71
81
87
100
99
82
80
82
88
66

Low Clouds (% Sky Obscured)

80
84
67
90
90
87
56
87
94
94
100
100
85
75
67
74
81
96
92
82
80
82
88
66

Medium Clouds (% Sky Obscured)

52
82
74
96
95
91
76
68
72
37
31
36
41
51
64
37
39
78
94
82
50
24
14
2

High Clouds (% Sky Obscured)

83
94
100
88
40
69
65
55
41
44
36
5
3
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
9
9
9
6
6
6
7
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
30
23
38
57
68
69
64
57
42
39
46
32
17
24
13
14
21
22
21
24
22
16
13

Precipitation Amount (mm)

0
0
0
0
0.5
0.6
0.5
0.3
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
13
14
14
14
13
13
12
12
12
12
11
11
11
11
11
11
11
10
10
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
75
70
73
76
82
87
89
90
92
95
96
96
95
95
95
93
90
93
93
90
90

Pressure (mb)

1008
1009
1010
1011
1011
1011
1012
1013
1014
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023

Ozone (du)

339
341
344
345
346
348
350
351
349
349
351
351
349
348
347
348
349
354
360
360
357
354
351
351

Wednesday 17

Waning Crescent 7%

07:27

15:20

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK

Sun - Rise: 08:35, Set: 17:33, Transit: 13:04. Moon - Rise: 07:27, Set: 15:20. Civil Dark: 18:06 - 08:02. Nautical Dark: 18:42 - 07:27. Astro Dark: 19:16 - 06:52

Total Clouds (% Sky Obscured)

92
88
81
79
73
67
92
81
64
60
60
60
70
100
50
47
90
80
75
67
65
69
57
39

Low Clouds (% Sky Obscured)

75
76
67
64
58
58
61
61
49
55
4
0
2
2
2
1
1
0
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
2
0
2
1
1
0
6
22
43
46
36
38
20
33
60
6
17
2

High Clouds (% Sky Obscured)

8
0
0
0
0
1
30
16
7
50
50
55
64
100
40
24
77
75
75
67
65
69
47
39

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 (%)

30
18
1
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 (%)

13
28
42
34
28
31
29
29
17
1
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
3
4
4
3
3
3
3
1
3
3
1
2
2
3
3
4
4
5
7
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
11
11
11
11
11
12
11
10
9
8
8
8
8
8
8
9
9
9
9
9
9

Relative Humidity (%)

91
91
91
93
92
89
86
86
90
92
93
95
95
95
91
93
91
91
91
91
90
83
86
83

Pressure (mb)

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

Ozone (du)

351
352
351
350
349
347
346
347
349
348
347
345
342
342
343
345
344
341
336
336
333
331
329
327

Thursday 18

Waning Crescent 3%

No Rise

15:57

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

Sun - Rise: 08:35, Set: 17:34, Transit: 13:04. Moon - Rise: No Rise, Set: 15:57. Civil Dark: 18:06 - 08:03. Nautical Dark: 18:42 - 07:27. Astro Dark: 19:17 - 06:52

Total Clouds (% Sky Obscured)

47
51
44
51
56
68
55
64
65
57
45
55
60
65
77
88
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
1
1
1
14
20
32
36
44
52
57
64
65
66
70
80

Medium Clouds (% Sky Obscured)

9
3
3
2
2
2
2
18
15
34
35
40
40
32
56
82
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

43
51
44
50
56
65
51
50
57
49
35
40
45
50
62
73
76
82
91
100
100
100
100
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
7
5

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
11
20
25
43
55
74
80
91
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.6
0.7
1
0.8

Wind Speed/Direction (mph)

8
8
9
10
11
11
11
11
11
10
9
7
6
4
4
3
3
3
3
3
2
2
1
1

Chance of Frost

Temperature (°C)

11
12
13
14
15
16
16
16
15
15
14
14
14
14
13
13
13
13
12
12
12
12
11
11

Feels Like (°C)

8
9
9
10
11
12
12
12
12
11
10
10
11
11
11
11
11
11
10
10
10
10
10
10

Dew Point (°C)

8
9
9
9
9
9
9
9
9
9
8
8
9
9
9
10
10
9
10
10
10
10
10
10

Relative Humidity (%)

81
81
77
71
68
65
64
63
65
68
69
69
71
75
76
79
80
79
83
86
88
88
90
93

Pressure (mb)

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

Ozone (du)

327
325
323
322
321
321
318
317
317
315
313
313
313
311
310
307
307
310
309
305
305
303
304
306

Friday 19

Waning Crescent 1%

08:27

16:42

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:36, Set: 17:34, Transit: 13:05. Moon - Rise: 08:27, Set: 16:42. Civil Dark: 18:06 - 08:03. Nautical Dark: 18:43 - 07:28. Astro Dark: 19:17 - 06:53

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
99
99
98
97
96
100
100
100
100
100
100
100
100
100
98
97
95
85

Low Clouds (% Sky Obscured)

87
94
92
90
89
91
95
99
98
97
96
96
98
100
100
100
100
100
100
100
91
81
70
64

Medium Clouds (% Sky Obscured)

98
97
96
96
97
96
96
97
96
95
94
99
99
100
100
100
100
99
99
99
97
96
93
85

High Clouds (% Sky Obscured)

100
100
80
58
37
30
22
15
10
10
10
100
100
100
100
100
100
91
82
77
71
70
62
66

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

95
95
95
95
95
86
78
68
66
62
62
69
69
70
61
62
63
45
48
53
38
27
26
26

Precipitation Amount (mm)

0.7
0.7
0.8
0.8
0.7
0.5
0.4
0.3
0.4
0.3
0.4
0.5
0.5
0.5
0.3
0.4
0.4
0
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
11
11
10
11
11
11
10
10
10
10
10
9
9
9
9
9
10
9
9
9

Relative Humidity (%)

93
93
93
98
96
96
95
96
98
98
98
96
96
95
95
93
93
93
95
95
98
96
96
96

Pressure (mb)

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

Ozone (du)

309
313
317
324
332
336
331
323
317
319
322
325
327
328
330
325
321
316
313
309
306
307
308
309

Saturday 20

New Moon 0%

09:20

17:36

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

Sun - Rise: 08:36, Set: 17:34, Transit: 13:05. Moon - Rise: 09:20, Set: 17:36. Civil Dark: 18:07 - 08:04. Nautical Dark: 18:43 - 07:28. Astro Dark: 19:18 - 06:53

Total Clouds (% Sky Obscured)

75
67
78
89
99
81
63
42
55
67
82
88
94
100
96
91
87
86
86
83
84
85
86
91

Low Clouds (% Sky Obscured)

64
64
62
60
58
53
48
42
37
35
35
56
68
76
63
47
30
23
15
8
10
13
17
28

Medium Clouds (% Sky Obscured)

75
67
78
89
99
81
63
42
55
67
82
88
94
100
76
55
32
35
35
35
41
46
52
47

High Clouds (% Sky Obscured)

64
65
67
66
75
63
42
20
20
29
48
81
94
100
80
59
39
35
32
29
33
36
37
55

ISS Passover

Visibility (miles)

8
8
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
8
11
12
4
12
15
4
6
5
3
9
12
15
21
21
15
27
34
44
68
83
93
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
9
9
10
9
10
10
9
9
8
8
8
8
8
8
8
8
7
7
7
7
6

Relative Humidity (%)

96
95
93
91
87
86
83
83
83
86
88
91
90
90
88
90
90
91
91
91
93
91
91
91

Pressure (mb)

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

Ozone (du)

306
303
300
299
298
297
295
293
292
291
290
289
292
295
297
303
308
313
314
316
317
319
322
324

Sunday 21

Waxing Crescent 2%

10:05

18:37

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:37, Set: 17:35, Transit: 13:06. Moon - Rise: 10:05, Set: 18:37. Civil Dark: 18:07 - 08:04. Nautical Dark: 18:44 - 07:29. Astro Dark: 19:18 - 06:54

Total Clouds (% Sky Obscured)

95
100
92
84
78
82
92
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
48
55
60
64
68
70
74
80
83
86
87
91
94
94
94
94

Medium Clouds (% Sky Obscured)

52
57
53
47
44
62
81
99
99
99
99
99
99
100
85
72
58

High Clouds (% Sky Obscured)

64
70
66
61
62
71
86
100
94
88
84
83
85
81
80
73
62

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

66
34
43
43
40
52
54
52
66
76
85
95
95
95
95
86
67

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0.2
0.3
0.4
0.7
0.8
0.9
0.7
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
6
10
9
9
9
9
9
7
7
8
7
8

Dew Point (°C)

6
7
7
6
6
6
6
7
7
8
7
8
8
8
8
7
7

Relative Humidity (%)

90
88
87
81
76
71
76
81
87
90
91
96
96
96
95
95
93

Pressure (mb)

1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1004
1003
1003

Ozone (du)

328
331
335
337
339
342
341
341
340
340
340
340
343
346
349
355
361

Forecast for Atotxa, Gipuzkoa, Spain (43.32,-1.98)

Generated: 15/12/25 08:49:05. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+1.00