Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:26

16:46

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: 08:35, Set: 17:37, Transit: 13:06. Moon - Rise: 08:26, Set: 16:46. Civil Dark: 18:10 - 08:03. Nautical Dark: 18:45 - 07:28. Astro Dark: 19:19 - 06:53

Total Clouds (% Sky Obscured)

51
62
71
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)

51
58
22
14
16
17
16
29
25
24
25
33
67
81
97
97
99
99
99
99
99
99
98
99

Medium Clouds (% Sky Obscured)

51
62
71
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
99
96
96

High Clouds (% Sky Obscured)

51
62
71
75
67
100
100
100
100
100
100
100
100
100
100
100
90
93
98
71
68
97
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
8
7
7
9
9

Fog (%)

0
0
0
0
0
0
65
80
65
81
74
73
70
65
13
47
16
0
0
0
0
0
0
4

Precipitation Type

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

Precipitation Probability (%)

35
0
0
7
5
7
12
22
13
26
21
30
60
73
69
69
90
95
89
95
95
94
80
69

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.5
0.7
0.5
0.6
0.9
0.7
0.5
0.4

Wind Speed/Direction (mph)

13
14
12
11
11
10
8
8
7
7
6
5
4
4
5
4
3
3
2
3
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
4
4
4
4
4
4
4
5
4
4
4
4
4
5
6
6
6
5
4
4
4

Dew Point (°C)

6
5
5
5
5
5
5
6
6
6
6
6
5
5
4
4
5
5
6
6
5
5
5
5

Relative Humidity (%)

80
82
84
87
88
90
91
93
96
96
96
96
94
93
91
90
90
90
93
93
93
94
94
96

Pressure (mb)

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

Ozone (du)

306
307
308
305
304
302
299
297
299
298
299
302
302
303
305
310
318
327
324
322
319
322
323
323

Friday 19

Waning Crescent 0%

09:19

17:40

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: 08:36, Set: 17:38, Transit: 13:07. Moon - Rise: 09:19, Set: 17:40. Civil Dark: 18:10 - 08:04. Nautical Dark: 18:46 - 07:28. Astro Dark: 19:20 - 06:54

Total Clouds (% Sky Obscured)

99
100
100
99
99
98
98
97
97
97
98
98
98
100
95
96
100
91
68
94
94
98
100
95

Low Clouds (% Sky Obscured)

99
99
100
99
96
95
92
94
89
83
85
84
82
83
80
90
100
86
54
64
61
45
54
50

Medium Clouds (% Sky Obscured)

83
96
81
98
99
90
65
97
96
96
96
53
63
44
44
36
22
15
21
17
37
41
100
86

High Clouds (% Sky Obscured)

86
100
92
50
58
48
20
9
9
5
57
5
43
6
4
4
7
11
5
45
25
64
100
64

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 (%)

11
16
22
31
42
51
54
62
58
69
88
99
100
68
98
99
66
51
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 (%)

50
31
18
18
14
14
17
19
19
11
7
6
11
18
20
13
6
5
26
31
26
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
94
94
94
94
94
94
94
94
93
93
91
88
86
83
78
70
72
71
76
79

Pressure (mb)

1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1015
1015
1015
1015
1014
1013
1012
1011
1011
1010
1010

Ozone (du)

319
323
324
321
318
313
311
310
310
311
314
314
315
312
305
300
297
296
297
297
296
295
293
295

Saturday 20

New Moon 2%

10:05

18:41

19 Bad
20 Bad
21 OK
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: 08:37, Set: 17:38, Transit: 13:07. Moon - Rise: 10:05, Set: 18:41. Civil Dark: 18:10 - 08:04. Nautical Dark: 18:46 - 07:29. Astro Dark: 19:20 - 06:54

Total Clouds (% Sky Obscured)

92
72
46
84
92
94
91
100
100
100
100
92
85
81
98
99
100
75
69
54
50
56
77
86

Low Clouds (% Sky Obscured)

56
61
46
46
56
44
18
33
58
56
66
69
50
72
72
73
76
75
65
47
32
29
30
30

Medium Clouds (% Sky Obscured)

63
0
5
78
77
80
83
100
91
100
100
87
72
35
43
98
100
38
31
25
22
30
64
75

High Clouds (% Sky Obscured)

65
45
1
36
3
70
63
100
79
45
50
42
50
74
97
56
92
52
30
15
1
1
5
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

12
36
32
50
73
5
8
0
13
2
4
0
8
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

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

Precipitation Probability (%)

0
0
2
8
9
13
48
43
73
95
51
37
25
45
66
66
64
64
37
36
30
23
15
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.8
0
0
0
0
0.4
0.3
0.4
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
9
9
9
10
11
11
11
9
11
11
12
14
13
12
12
12
11
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
83
85
86
82
82
83
80
89
93
85
81
73
76
76
70
63
58
54
50
52
58
62

Pressure (mb)

1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1006
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005

Ozone (du)

299
306
309
312
315
315
318
321
325
331
342
350
349
352
357
367
393
419
430
435
425
424
422
419

Sunday 21

Waxing Crescent 6%

10:42

No Set

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

Sun - Rise: 08:37, Set: 17:39, Transit: 13:08. Moon - Rise: 10:42, Set: No Set. Civil Dark: 18:11 - 08:05. Nautical Dark: 18:47 - 07:29. Astro Dark: 19:21 - 06:55

Total Clouds (% Sky Obscured)

63
50
36
53
64
74
67
67
56
61
59
68
50
38
14
9
16
23
18
14
27
50
63
70

Low Clouds (% Sky Obscured)

22
21
1
3
15
20
16
17
13
28
41
56
41
26
10
9
16
21
15
10
22
24
2
2

Medium Clouds (% Sky Obscured)

55
27
4
50
61
56
63
62
16
58
47
15
3
0
0
0
0
0
0
0
2
0
0
0

High Clouds (% Sky Obscured)

1
5
36
45
40
48
45
43
8
18
3
1
0
0
0
0
0
2
4
3
2
22
61
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
0
0
0
0
0
4
8
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
8
8
8
8
8

Precipitation Type

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

Precipitation Probability (%)

3
4
6
4
4
4
3
3
21
30
5
2
2
4
4
2
2
1
1
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
75
80
80
78
75
78
80
92
98
96
96
94
84
81
74
69
64
57
54
56
64
71

Pressure (mb)

1005
1006
1006
1006
1006
1006
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1008
1008
1009
1009
1010

Ozone (du)

427
427
421
424
426
426
424
422
423
422
424
425
426
428
430
426
417
394
378
362
344
334
330
330

Monday 22

Waxing Crescent 12%

11:12

19:48

19 OK
20 OK
21 Good
22 OK
23 OK
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: 08:37, Set: 17:39, Transit: 13:08. Moon - Rise: 11:12, Set: 19:48. Civil Dark: 18:12 - 08:05. Nautical Dark: 18:47 - 07:30. Astro Dark: 19:21 - 06:55

Total Clouds (% Sky Obscured)

48
25
3
22
35
76
82
88
92
88
88
87
79
76
68
71
71
70
63
62
55
68
78
87

Low Clouds (% Sky Obscured)

1
1
1
19
35
54
59
81
86
84
82
81
66
68
68
71
71
70
63
62
55
46
39
31

Medium Clouds (% Sky Obscured)

0
0
0
3
2
25
29
37
66
75
79
74
70
70
68
71
68
56
55
58
55
63
63
67

High Clouds (% Sky Obscured)

48
25
2
4
2
8
35
35
35
35
40
45
75
76
68
71
60
50
39
37
34
50
67
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
5
2
3
9
9
7
5
3
4
4
4
4
4
3
5
7

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

Precipitation Probability (%)

0
0
0
0
1
1
19
47
46
58
42
17
31
35
37
45
50
52
43
31
8
23
28
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0.3
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
6
7
10
10
10
11
12
13
14
12
11
10
10
10
10
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
83
83
83
80
75
75
81
91
94
94
93
94
94
94
96
94
94
94
93
91
93
94

Pressure (mb)

1010
1010
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1010
1010
1010
1010
1009
1009
1008
1008
1007
1008
1008

Ozone (du)

338
342
342
340
335
332
328
326
326
325
326
329
330
332
334
336
340
344
349
351
354
357
360
363

Tuesday 23

Waxing Crescent 19%

11:38

20:56

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

Sun - Rise: 08:38, Set: 17:40, Transit: 13:09. Moon - Rise: 11:38, Set: 20:56. Civil Dark: 18:12 - 08:06. Nautical Dark: 18:48 - 07:30. Astro Dark: 19:22 - 06:56

Total Clouds (% Sky Obscured)

89
90
90
71
49
21
44
69
100
100
100
100
69
41
22
46
69
88
89
92
98
99
100
100

Low Clouds (% Sky Obscured)

31
31
26
25
23
14
10
7
3
2
3
2
3
3
3
5
6
7
7
6
6
6
7
8

Medium Clouds (% Sky Obscured)

78
89
90
71
49
21
44
57
58
71
81
90
69
41
22
46
69
87
75
62
52
63
69
73

High Clouds (% Sky Obscured)

78
72
68
46
24
0
30
63
90
92
90
86
61
41
22
46
56
62
61
60
59
71
86
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
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

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 (%)

41
47
48
41
31
12
11
9
1
2
2
0
1
1
0
0
0
0
1
0
0
2
3
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
93
94
94
94
94
92
91
91
91
91
91
89
86
84
81
77
73
72
72
71
75
79

Pressure (mb)

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

Ozone (du)

366
367
368
369
370
371
372
372
372
371
372
373
374
376
379
381
385
388
392
392
393
394
394
393

Wednesday 24

Waxing Crescent 28%

12:00

22:05

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: 08:38, Set: 17:41, Transit: 13:09. Moon - Rise: 12:00, Set: 22:05. Civil Dark: 18:13 - 08:06. Nautical Dark: 18:49 - 07:30. Astro Dark: 19:22 - 06:56

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
97
99
100
100
100
100
99
98
97
97
98
98

Low Clouds (% Sky Obscured)

28
49
70
76
82
88
90
92
94
95
96
96
94
93
89
91
93
95

Medium Clouds (% Sky Obscured)

76
80
85
71
59
46
42
40
34
52
71
90
78
68
58
53
48
43

High Clouds (% Sky Obscured)

88
78
69
54
39
25
36
48
68
68
67
64
65
64
58
49
39
30

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

15
19
19
35
45
54
55
52
44
45
46
47
49
49
50
46
42
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
88
91
93
94
98
98
98
98
96
96
93
94
96
96
94
93

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1008
1008
1008

Ozone (du)

392
392
392
392
393
394
394
393
392
391
391
390
390
391
392
393
393
392

Forecast for Erroitegi / Róitegui, Araba / Álava, Spain (42.78,-2.38)

Generated: 18/12/25 19:24:00. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+1.00