Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

First Quarter 47%

12:48

23:27

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

Sun - Rise: 06:58, Set: 16:36, Transit: 11:47. Moon - Rise: 12:48, Set: 23:27. Civil Dark: 17:05 - 06:29. Nautical Dark: 17:39 - 05:56. Astro Dark: 18:11 - 05:23

Total Clouds (% Sky Obscured)

26
23
25
47
66
89
79
98
78
100
100
100
100
100
100
100
100
97
100
100
100
86
79
76

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)

10
5
4
7
3
1
0
15
10
9
37
100
100
95
69
21
55
95
95
90
97
14
79
76

High Clouds (% Sky Obscured)

4
23
25
35
57
85
73
98
77
100
100
100
100
100
100
100
100
96
100
100
100
55
22
5

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)

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

Chance of Frost

Temperature (°C)

10
9
6
4
3
2
1
1
0
0
1
1
1
1
1
1
0
2
4
8
11
14
16
16

Feels Like (°C)

9
7
4
2
-0
-1
-1
-1
-3
-2
-3
-3
-2
-3
-3
-3
-3
-2
1
5
7
9
12
12

Dew Point (°C)

-7
-6
-5
-6
-7
-6
-7
-6
-7
-8
-8
-8
-8
-8
-7
-7
-7
-9
-8
-7
-6
-7
-8
-9

Relative Humidity (%)

29
35
44
48
49
54
55
62
57
55
51
51
51
53
56
58
58
47
42
35
29
23
19
17

Pressure (mb)

1020
1020
1020
1021
1022
1022
1022
1021
1020
1019
1019
1018
1017
1016
1015
1016
1016
1015
1014
1012
1009
1006
1004
1003

Ozone (du)

296
294
294
293
294
294
292
291
293
296
296
297
298
299
299
301
300
301
301
303
303
304
306
310

Friday 28

Waxing Gibbous 58%

13:12

00:35

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 OK
12 OK
13 Bad
14 OK

Sun - Rise: 06:59, Set: 16:35, Transit: 11:47. Moon - Rise: 13:12, Set: 00:35. Civil Dark: 17:05 - 06:30. Nautical Dark: 17:38 - 05:56. Astro Dark: 18:11 - 05:24

Total Clouds (% Sky Obscured)

84
100
100
95
81
100
100
100
100
79
96
100
100
99
100
97
85
89
86
76
41
34
58
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
48
58
52
80
100
100
98
100
93
85
89
86
76
31
21
9
0

Medium Clouds (% Sky Obscured)

84
100
100
95
11
96
100
100
14
12
96
89
33
13
93
88
72
3
0
0
0
0
0
4

High Clouds (% Sky Obscured)

52
100
100
80
81
100
100
100
100
29
33
45
36
0
0
0
0
0
0
3
8
8
35
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
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
Light Rain
Snow
Snow
None
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
2
3
25
26
34
34
46
51
49
56
41
47
66
57
43
15
3
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.2
0.3
0
0.1
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
6
6
7
5
5
4
6
11
14
16
17
14
10
9
8
7
6
5
6
6
6

Chance of Frost

Temperature (°C)

15
13
9
7
6
5
4
4
3
2
1
-1
-2
-4
-6
-7
-7
-8
-7
-6
-6
-5
-4
-3

Feels Like (°C)

10
8
3
2
2
1
1
0
-0
-2
-5
-7
-9
-10
-12
-12
-12
-12
-12
-10
-10
-7
-7
-7

Dew Point (°C)

-9
-9
-5
-3
-4
-3
-3
-2
-2
-1
-1
-3
-5
-6
-9
-9
-9
-10
-12
-13
-13
-13
-13
-14

Relative Humidity (%)

17
20
36
48
51
59
59
64
68
81
91
84
82
82
80
87
87
83
70
58
55
51
47
43

Pressure (mb)

1003
1004
1006
1007
1008
1008
1009
1010
1011
1013
1015
1018
1021
1025
1028
1030
1032
1032
1032
1032
1031
1029
1028
1027

Ozone (du)

313
317
319
321
326
334
339
340
340
339
340
341
343
341
335
337
339
340
340
341
341
341
341
344

Saturday 29

Waxing Gibbous 69%

13:36

01:45

15 Good
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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:00, Set: 16:35, Transit: 11:48. Moon - Rise: 13:36, Set: 01:45. Civil Dark: 17:05 - 06:31. Nautical Dark: 17:38 - 05:57. Astro Dark: 18:11 - 05:25

Total Clouds (% Sky Obscured)

6
53
64
63
94
96
96
62
54
100
100
100
100
100
100
100
100
100
98
94
95
96
98
88

Low Clouds (% Sky Obscured)

0
0
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
10
19
17

Medium Clouds (% Sky Obscured)

1
0
0
0
33
40
40
35
30
30
50
62
96
100
100
100
100
100
96
94
95
76
72
87

High Clouds (% Sky Obscured)

3
45
34
47
90
96
96
62
54
100
100
100
100
100
100
100
100
100
93
59
64
64
70
35

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
3
0
0
0
0
0
0
0
1
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
41
49
54
57
59
62
64
66
67
67
71
68
67
65
64
61
59
55
53
50
46
44
44

Pressure (mb)

1026
1027
1028
1029
1029
1030
1029
1028
1028
1028
1027
1028
1028
1028
1028
1029
1029
1029
1028
1027
1026
1024
1022
1021

Ozone (du)

348
348
350
351
353
352
352
351
347
345
345
349
350
351
351
350
350
352
355
357
357
358
358
358

Sunday 30

Waxing Gibbous 80%

14:03

02:58

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

Sun - Rise: 07:01, Set: 16:35, Transit: 11:48. Moon - Rise: 14:03, Set: 02:58. Civil Dark: 17:05 - 06:32. Nautical Dark: 17:38 - 05:58. Astro Dark: 18:11 - 05:26

Total Clouds (% Sky Obscured)

82
79
88
92
100
100
100
99
70
36
10
0
0
0
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

15
19
48
49
45
35
25
20
20
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

82
79
88
92
100
100
100
99
70
36
10
0
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

42
27
51
74
100
72
40
10
10
5
10
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
4
4
1
0
0
0
0
0
0
1
1
1
2
3
8
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
7
21
33
44
50
49
49
45
26
13
15
4
10
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
45
50
55
73
90
90
92
90
87
90
90
90
90
92
90
88
83
71
64
56
48
43
41

Pressure (mb)

1021
1021
1021
1022
1023
1024
1023
1023
1024
1024
1024
1025
1025
1025
1025
1026
1026
1025
1024
1022
1020
1018
1017
1016

Ozone (du)

360
364
370
373
378
379
378
378
375
375
375
374
378
375
373
366
363
358
356
354
352
351
350
343

Monday 1

Waxing Gibbous 88%

14:35

04:15

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

Sun - Rise: 07:02, Set: 16:35, Transit: 11:48. Moon - Rise: 14:35, Set: 04:15. Civil Dark: 17:04 - 06:33. Nautical Dark: 17:38 - 05:59. Astro Dark: 18:10 - 05:27

Total Clouds (% Sky Obscured)

2
3
5
1
0
4
18
23
70
70
56
0
0
0
1
3
3
30
58
85
90
95
63
57

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)

1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
16
31
21
9
5
0
15

High Clouds (% Sky Obscured)

0
0
1
0
0
1
9
11
40
45
33
0
0
0
1
2
3
13
23
33
23
13
2
2

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)

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

Chance of Frost

Temperature (°C)

2
1
-1
-2
-3
-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-2
-1
-1
2
4
7
8
9
10

Feels Like (°C)

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

Dew Point (°C)

-10
-8
-7
-8
-9
-10
-9
-10
-10
-9
-9
-9
-9
-9
-9
-9
-8
-8
-7
-7
-6
-6
-5
-5

Relative Humidity (%)

40
51
63
62
62
61
64
63
63
63
63
60
59
58
59
58
58
57
51
45
38
38
37
36

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015
1015
1015
1015
1013
1012
1010
1008
1007
1005

Ozone (du)

339
335
331
331
331
330
329
328
328
325
322
322
321
319
317
317
317
317
316
315
314
313
312
311

Tuesday 2

Waxing Gibbous 95%

No Rise

05:36

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 OK
04 OK
05 OK
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 07:03, Set: 16:35, Transit: 11:49. Moon - Rise: No Rise, Set: 05:36. Civil Dark: 17:04 - 06:33. Nautical Dark: 17:38 - 06:00. Astro Dark: 18:10 - 05:27

Total Clouds (% Sky Obscured)

78
100
100
100
98
95
95
97
81
65
48
44
37
36
26
13
2
2
2
2
19
36
53
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
3
5
3
2
0
0
0
0
0
0
0
0
1
1
10
20
29
45

Medium Clouds (% Sky Obscured)

30
45
63
82
98
95
94
91
72
55
37
32
28
25
19
9
2
2
1
0
17
34
51
47

High Clouds (% Sky Obscured)

12
45
55
55
45
40
25
25
14
2
1
6
14
21
21
12
2
1
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 (%)

1
0
5
6
3
19
24
26
21
15
9
11
10
3
5
5
1
2
2
0
3
4
3
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)

6
5
5
3
3
4
5
7
9
7
4
2
2
3
3
4
4
5
4
4
6
9
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
44
48
50
54
56
58
59
61
63
66
70
67
66
63
61
57
55
47
41
36
37
38
39

Pressure (mb)

1005
1005
1006
1007
1007
1008
1009
1010
1012
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

312
313
315
318
321
324
330
336
342
344
346
348
351
354
357
358
358
359
362
364
367
366
366
366

Wednesday 3

Waxing Gibbous 99%

15:15

06:58

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 OK
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 07:04, Set: 16:34, Transit: 11:49. Moon - Rise: 15:15, Set: 06:58. Civil Dark: 17:04 - 06:34. Nautical Dark: 17:38 - 06:01. Astro Dark: 18:10 - 05:28

Total Clouds (% Sky Obscured)

71
75
79
82
84
89
91
98
98
98
98
96
93
91
63
35
7
5
2
0

Low Clouds (% Sky Obscured)

62
75
73
67
61
63
65
67
67
66
66
46
26
7
6
6
5
3
2
0

Medium Clouds (% Sky Obscured)

43
38
49
63
72
76
80
91
91
96
97
94
92
89
60
31
2
1
0
0

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

13
10
23
24
12
30
35
19
21
20
4
6
10
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
2
-7
-6
-6
-6
-7
-7
-8
-8
-8
-7
-7
-7
-7
-7
-6
-6
-5

Dew Point (°C)

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

Relative Humidity (%)

46
56
66
71
75
79
82
86
89
87
85
85
82
81
79
75
71
67
54
46

Pressure (mb)

1018
1019
1021
1022
1024
1025
1025
1026
1026
1027
1027
1027
1026
1025
1025
1024
1024
1024
1022
1020

Ozone (du)

365
365
365
365
365
365
364
363
363
361
360
358
357
355
354
349
345
341
339
338

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

Generated: 27/11/25 15:48:53. Forecast: 27/11/25 to 03/12/25. Timezone: UTC-7.00