Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 22%

10:52

21:19

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

Sun - Rise: 07:18, Set: 16:40, Transit: 11:59. Moon - Rise: 10:52, Set: 21:19. Civil Dark: 17:10 - 06:48. Nautical Dark: 17:44 - 06:14. Astro Dark: 18:17 - 05:41

Total Clouds (% Sky Obscured)

100
60
98
100
100
86
43
26
31
10
42
63
56
100
72
100
100
100
100
100
59
68
75
100

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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
10
9
4
0
0
0
0
2
10

High Clouds (% Sky Obscured)

100
49
98
100
100
84
56
31
44
12
56
72
72
100
49
100
100
100
100
100
59
68
75
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

4
3
2
4
3
3
3
6
6
7
7
7
8
8
9
9
9
9
9
9
4
4
3
12

Chance of Frost

Temperature (°C)

17
18
18
16
13
10
11
10
10
9
8
8
7
7
7
7
7
7
6
6
9
12
14
16

Feels Like (°C)

13
16
15
13
10
8
9
8
7
7
5
5
4
3
3
3
3
2
2
2
4
7
9
11

Dew Point (°C)

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

Relative Humidity (%)

22
22
22
26
31
34
32
35
41
46
47
47
48
49
51
53
55
58
60
60
52
46
41
37

Pressure (mb)

1014
1013
1013
1013
1013
1014
1014
1015
1016
1016
1015
1015
1014
1013
1013
1013
1012
1012
1012
1012
1011
1010
1010
1008

Ozone (du)

248
248
248
247
247
244
243
244
244
245
244
245
245
245
246
246
246
245
247
248
249
249
250
251

Friday 26

Waxing Crescent 31%

11:15

22:25

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

Sun - Rise: 07:18, Set: 16:41, Transit: N/A. Moon - Rise: 11:15, Set: 22:25. Civil Dark: 17:11 - 06:48. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:17 - 05:41

Total Clouds (% Sky Obscured)

47
50
56
27
2
2
0
0
0
0
0
0
3
5
24
37
10
18
18
86
70
89
96
100

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
0
0

Medium Clouds (% Sky Obscured)

12
20
12
9
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
0
30
0
0
0
0
0
0
0
0
0
2
2
24
26
5
14
15
84
67
84
94
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 (%)

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
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)

13
8
7
12
6
7
5
5
6
7
8
8
9
8
9
9
8
7
6
7
7
7
8
8

Chance of Frost

Temperature (°C)

18
19
20
18
17
14
12
11
10
9
9
8
8
7
7
7
6
6
6
6
6
8
11
13

Feels Like (°C)

13
15
17
13
16
13
11
10
8
7
6
5
5
5
4
4
3
3
3
3
1
3
6
8

Dew Point (°C)

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

Relative Humidity (%)

31
28
29
35
42
44
45
47
49
48
46
42
42
39
39
41
43
45
44
43
42
37
30
27

Pressure (mb)

1007
1005
1006
1007
1008
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1012
1011

Ozone (du)

252
259
264
264
261
261
260
261
263
262
264
265
265
266
268
266
264
265
266
267
269
269
271
272

Saturday 27

First Quarter 42%

11:37

23:32

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:19, Set: 16:41, Transit: 12:00. Moon - Rise: 11:37, Set: 23:32. Civil Dark: 17:11 - 06:48. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:18 - 05:42

Total Clouds (% Sky Obscured)

86
100
87
78
80
100
100
82
85
54
60
69
76
63
78
84
83
83
100
100
100
100
100
91

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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
12
0
0
0

High Clouds (% Sky Obscured)

82
100
83
71
74
100
100
76
79
48
56
68
76
62
77
82
82
83
100
100
100
100
100
88

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
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)

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

Chance of Frost

Temperature (°C)

15
16
16
15
13
10
9
8
6
6
6
5
5
5
5
6
5
5
5
5
6
8
10
12

Feels Like (°C)

10
12
13
11
9
7
6
4
2
1
1
1
1
1
2
1
-0
1
1
-1
0
2
4
6

Dew Point (°C)

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

Relative Humidity (%)

21
17
16
20
25
28
28
26
26
26
28
31
34
34
36
37
38
38
39
40
40
35
30
25

Pressure (mb)

1008
1007
1006
1006
1007
1007
1007
1007
1007
1007
1008
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1005
1005
1003

Ozone (du)

270
269
268
268
268
267
267
268
269
271
270
270
271
273
275
277
279
280
282
285
287
289
290
290

Sunday 28

Waxing Gibbous 53%

12:02

00:41

12 OK
13 OK
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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:19, Set: 16:42, Transit: 12:00. Moon - Rise: 12:02, Set: 00:41. Civil Dark: 17:12 - 06:49. Nautical Dark: 17:46 - 06:15. Astro Dark: 18:19 - 05:42

Total Clouds (% Sky Obscured)

45
47
58
69
89
72
74
83
92
100
98
66
93
100
100
93
99
97
94
92
87
81
80
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
36
35
36
89
85
93
87
98
95
94
90
82
73
65
50

Medium Clouds (% Sky Obscured)

0
4
12
18
29
13
14
35
47
50
33
37
31
52
100
79
75
72
65
72
79
81
17
11

High Clouds (% Sky Obscured)

20
15
25
30
32
35
40
40
35
30
30
0
0
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
0
0
0
0
0
0
0
0
0
6
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
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
1
2
6
13
27
51
54
61
85
88
79
95
85
71
63
54
40
24
13
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.6
0.5
0.6
1
0.7
0.5
0.8
0.5
0.4
0.3
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

10
9
10
10
8
7
7
6
11
9
8
9
11
14
17
14
13
11
10
8
6
5
4
4

Chance of Frost

Temperature (°C)

14
15
16
15
13
10
8
6
5
4
3
3
1
0
-2
-4
-6
-7
-8
-8
-9
-8
-7
-7

Feels Like (°C)

8
9
11
11
9
6
4
2
1
-1
-1
-3
-4
-5
-8
-10
-11
-12
-13
-13
-13
-12
-11
-11

Dew Point (°C)

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

Relative Humidity (%)

22
18
19
24
32
39
40
43
45
54
63
68
89
94
92
91
92
92
92
92
90
88
80
73

Pressure (mb)

1001
1000
999
999
1000
1002
1003
1005
1006
1008
1009
1010
1012
1014
1017
1020
1023
1025
1027
1029
1031
1031
1031
1031

Ozone (du)

293
295
296
297
299
302
303
307
310
313
315
315
320
322
329
331
335
339
343
348
353
356
366
375

Monday 29

Waxing Gibbous 64%

12:02

01:53

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

Sun - Rise: 07:19, Set: 16:43, Transit: 12:01. Moon - Rise: 12:02, Set: 01:53. Civil Dark: 17:13 - 06:49. Nautical Dark: 17:47 - 06:15. Astro Dark: 18:19 - 05:42

Total Clouds (% Sky Obscured)

52
40
22
2
2
1
0
1
0
1
1
34
67
100
67
37
10
15
2
5
0
0
0
1

Low Clouds (% Sky Obscured)

47
40
22
1
2
1
0
0
0
1
1
2
3
3
4
4
4
4
2
4
0
0
0
0

Medium Clouds (% Sky Obscured)

52
40
3
1
1
0
0
0
0
0
0
14
29
44
27
14
0
1
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
31
67
100
67
33
5
10
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
72
79
82
82
83
85
83
82
80
78
82
82
83
87
85
83
80
77
67
60
56

Pressure (mb)

1030
1029
1029
1029
1029
1030
1032
1033
1033
1034
1035
1035
1036
1036
1037
1038
1038
1038
1038
1038
1038
1037
1036
1034

Ozone (du)

378
379
383
380
376
374
372
369
362
359
354
350
348
351
353
350
343
345
348
349
349
346
342
336

Tuesday 30

Waxing Gibbous 75%

12:30

03:10

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

Sun - Rise: 07:19, Set: 16:43, Transit: 12:01. Moon - Rise: 12:30, Set: 03:10. Civil Dark: 17:14 - 06:49. Nautical Dark: 17:47 - 06:15. Astro Dark: 18:20 - 05:43

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
4
1
0
0
0
0
1
2
21
41
57
37
19
2
2
2
3
9

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
0
0

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
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
0
0
0
0
0
8
21
31
21
10
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
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
1
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
2
4
4
3
2
-1
-4
-5
-6
-6
-7
-9
-8
-8
-9
-9
-9
-9
-11
-11
-10
-8
-7

Dew Point (°C)

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

Relative Humidity (%)

55
54
57
69
71
73
77
75
73
72
72
72
71
71
70
69
67
66
65
63
62
61
60
57

Pressure (mb)

1032
1030
1028
1028
1028
1029
1030
1030
1030
1030
1030
1030
1031
1030
1030
1029
1029
1028
1028
1028
1028
1027
1026
1025

Ozone (du)

329
323
321
321
320
316
313
310
306
303
300
299
296
293
289
290
291
291
291
291
291
289
287
285

Wednesday 31

Waxing Gibbous 85%

13:05

04:29

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

Sun - Rise: 07:19, Set: 16:44, Transit: 12:02. Moon - Rise: 13:05, Set: 04:29. Civil Dark: 17:14 - 06:49. Nautical Dark: 17:48 - 06:15. Astro Dark: 18:21 - 05:43

Total Clouds (% Sky Obscured)

15
16
22
35
49
47
44
42
29
17
5
3
2
0
0
0
0
1
1
2
4
5
7
6

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
0
0

Medium Clouds (% Sky Obscured)

15
16
22
21
23
17
11
2
2
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
8
26
39
27
14
1
1
0
0
0
0
0
0
0
0
0
3
6
6

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

Chance of Frost

Temperature (°C)

4
4
4
3
2
0
-1
-2
-3
-3
-3
-3
-2
-2
-2
-2
-2
-3
-2
-1
-1
3
6
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
56
64
71
81
80
79
78
76
76
75
74
71
69
69
69
69
67
64
61
56
52
48

Pressure (mb)

1025
1024
1023
1024
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1021
1021
1020
1018
1017

Ozone (du)

285
285
284
285
286
287
287
287
287
286
285
284
284
284
284
284
284
284
285
285
286
284
283
282

Forecast for Seven Hills, Arapahoe, United States of America (39.66,-104.76)

Generated: 25/12/25 08:04:40. Forecast: 25/12/25 to 31/12/25. Timezone: UTC-7.00