Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 86%

No Rise

No Set

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

Sun - Rise: 10:56, Set: 14:50, Transit: 12:53. Moon - Rise: No Rise, Set: No Set. Civil Dark: 16:12 - 09:32. Nautical Dark: 17:24 - 08:21. Astro Dark: 18:25 - 07:19

Total Clouds (% Sky Obscured)

4
5
4
6
7
8
9
29
5
6
18
29
27
31
45
58
60
38
26
22
22
9
10
24

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
0
26
0
1
16
27
26
30
45
58
60
38
26
22
22
7
9
24

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
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
1
1
1
0
0
6
8
19
23
15
9
13

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
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

-34
-34
-34
-34
-34
-35
-36
-36
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37
-37

Feels Like (°C)

-36
-37
-36
-36
-37
-37
-38
-39
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-39

Dew Point (°C)

-38
-38
-38
-38
-38
-39
-40
-40
-41
-41
-41
-41
-41
-41
-41
-41
-41
-41
-41
-41
-41
-41
-41
-40

Relative Humidity (%)

65
64
64
64
65
64
65
64
63
63
62
62
63
62
62
62
62
63
63
64
63
64
63
64

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1027
1027
1028
1029
1029
1030
1030
1030
1031
1031
1032
1033
1033
1034
1035
1035
1036

Ozone (du)

381
381
383
382
383
392
397
396
398
399
397
402
411
411
415
419
420
416
412
413
415
416
418
421

Wednesday 31

Waxing Gibbous 93%

No Rise

No Set

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 OK
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK

Sun - Rise: 10:54, Set: 14:53, Transit: 12:53. Moon - Rise: No Rise, Set: No Set. Civil Dark: 16:13 - 09:32. Nautical Dark: 17:25 - 08:21. Astro Dark: 18:27 - 07:19

Total Clouds (% Sky Obscured)

35
39
40
39
38
39
42
46
40
39
36
36
36
36
38
35
30
27
30
31
29
14
5
20

Low Clouds (% Sky Obscured)

35
39
40
39
38
39
42
46
40
39
36
36
36
36
38
35
30
27
30
31
29
14
2
13

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
0
0
1
0
0
2
1
7

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 (%)

15
14
10
10
8
6
5
2
0
0
0
2
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
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
5
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

-37
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-36
-35
-35
-34

Feels Like (°C)

-39
-39
-39
-39
-39
-38
-38
-38
-38
-38
-38
-39
-39
-38
-38
-38
-38
-38
-38
-38
-38
-38
-37
-37

Dew Point (°C)

-41
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-39
-40
-40
-39
-39
-39
-40
-39
-39
-38
-38

Relative Humidity (%)

63
64
65
64
65
65
65
65
65
65
65
65
65
66
66
65
66
66
66
65
66
65
66
66

Pressure (mb)

1036
1037
1037
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1037
1037
1036
1036
1036
1036
1035
1035
1034
1034
1034

Ozone (du)

416
415
418
420
415
414
416
420
414
410
412
412
403
393
384
379
379
376
370
369
372
372
371
367

Thursday 1

Waxing Gibbous 98%

No Rise

No Set

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

Sun - Rise: 10:53, Set: 14:55, Transit: 12:54. Moon - Rise: No Rise, Set: No Set. Civil Dark: 16:15 - 09:31. Nautical Dark: 17:26 - 08:20. Astro Dark: 18:28 - 07:19

Total Clouds (% Sky Obscured)

31
20
19
14
13
12
31
14
19
24
25
24
15
11
10
15
18
20
18
18
17
15
4
4

Low Clouds (% Sky Obscured)

21
20
19
8
1
1
3
8
17
23
23
20
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
2
1
2
3
3
18
2
2
2
1
4
8
2
1
0
1
2
1
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 (%)

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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

-34
-34
-34
-35
-35
-35
-35
-35
-35
-35
-35
-35
-35
-35
-35
-35
-35
-35
-34
-34
-34
-33
-33
-32

Feels Like (°C)

-37
-37
-37
-37
-37
-37
-38
-39
-38
-38
-38
-38
-38
-38
-38
-38
-38
-37
-37
-37
-37
-36
-35
-34

Dew Point (°C)

-38
-38
-38
-38
-38
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-38
-38
-38
-37
-37
-36

Relative Humidity (%)

66
66
66
65
65
65
64
65
64
64
64
64
64
64
64
64
64
65
65
64
65
65
65
65

Pressure (mb)

1034
1033
1033
1033
1032
1032
1032
1032
1031
1031
1031
1031
1030
1030
1029
1029
1029
1029
1028
1028
1028
1027
1027
1026

Ozone (du)

367
366
367
369
370
373
377
381
384
386
384
381
383
385
386
389
392
394
395
391
391
389
393
396

Friday 2

Waxing Gibbous 100%

No Rise

No Set

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

Sun - Rise: 10:51, Set: 14:58, Transit: 12:54. Moon - Rise: No Rise, Set: No Set. Civil Dark: 16:17 - 09:30. Nautical Dark: 17:28 - 08:19. Astro Dark: 18:29 - 07:18

Total Clouds (% Sky Obscured)

6
9
11
16
17
24
26
27
26
25
23
23
13
10
6
6
9
9
6
8
7
6
5
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
2
3
4
2
2
0
0
0
0
0
0
2
3
5

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
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 (%)

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
6
6
6
6
6
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

-32
-32
-31
-31
-31
-32
-32
-32
-33
-33
-34
-35
-35
-36
-37
-37
-37
-38
-38
-38
-38
-38
-38
-38

Feels Like (°C)

-34
-34
-34
-34
-34
-35
-35
-35
-36
-36
-37
-37
-38
-39
-40
-40
-40
-41
-41
-41
-41
-41
-41
-41

Dew Point (°C)

-36
-36
-35
-35
-35
-36
-36
-36
-37
-37
-38
-38
-39
-40
-41
-41
-41
-42
-42
-42
-42
-42
-42
-42

Relative Humidity (%)

65
65
65
66
66
65
65
65
64
64
64
65
64
64
63
63
64
63
64
64
64
63
64
63

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1024
1024
1023
1023
1023
1022

Ozone (du)

396
392
390
391
394
401
406
408
411
414
417
415
414
411
397
393
390
392
395
394
396
395
393
389

Saturday 3

Full Moon 98%

No Rise

12:20

15 OK
16 OK
17 OK
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: 10:49, Set: N/A, Transit: 12:55. Moon - Rise: No Rise, Set: 12:20. Civil Dark: 16:19 - 09:29. Nautical Dark: 17:29 - 08:19. Astro Dark: 18:31 - 07:18

Total Clouds (% Sky Obscured)

8
15
22
29
32
33
42
53
67
73
75
81
82
84
89
89
85
83
84
86
90
81
71
62

Low Clouds (% Sky Obscured)

6
9
9
10
11
9
31
52
67
73
71
70
70
69
68
68
68
68
55
42
30
21
11
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
15
32
44
63
74
76
77
78
83
81
78
75
79
82
85
78
71
62

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
4
6
7
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
4
4
1
7
9
9
8
7
8
8
8
9
9
8
7
7
5
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)

5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

-38
-39
-39
-39
-39
-40
-40
-40
-40
-40
-40
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39
-39

Feels Like (°C)

-41
-42
-42
-42
-42
-43
-43
-43
-43
-43
-43
-43
-42
-42
-42
-42
-42
-42
-42
-42
-43
-43
-43
-43

Dew Point (°C)

-42
-43
-43
-43
-43
-44
-44
-44
-44
-43
-43
-43
-43
-43
-43
-43
-43
-43
-43
-43
-43
-43
-43
-43

Relative Humidity (%)

63
64
63
63
64
63
63
63
63
64
64
63
64
63
63
64
64
63
63
63
63
63
63
63

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

392
395
397
402
405
410
414
415
417
417
418
421
417
413
410
407
405
404
402
398
395
391
399
407

Sunday 4

Waning Gibbous 94%

16:50

11:57

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 OK
11 OK
12 Bad
13 Bad
14 Bad

Sun - Rise: 10:47, Set: 15:00, Transit: 12:55. Moon - Rise: 16:50, Set: 11:57. Civil Dark: 16:20 - 09:28. Nautical Dark: 17:31 - 08:18. Astro Dark: 18:32 - 07:17

Total Clouds (% Sky Obscured)

74
85
97
100
100
100
100
100
96
96
91
86
63
34
40
47
52
52
41
17
20
32
49
66

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

74
85
95
95
95
90
90
95
95
90
90
86
63
34
28
17
4
0
12
17
20
31
46
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
12
22
32
40
45
49
41
17
20
32
49
66

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 (%)

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

Chance of Frost

Temperature (°C)

-39
-39
-39
-39
-39
-39
-38
-38
-37
-36
-36
-36
-36
-35
-34
-34
-33
-33
-33
-31
-30
-28
-27
-26

Feels Like (°C)

-43
-42
-42
-42
-42
-42
-42
-41
-41
-41
-41
-41
-41
-38
-38
-38
-38
-38
-38
-36
-36
-36
-35
-35

Dew Point (°C)

-43
-43
-43
-43
-43
-43
-42
-42
-41
-40
-40
-40
-40
-39
-38
-37
-37
-37
-36
-35
-34
-32
-31
-30

Relative Humidity (%)

63
63
63
63
64
63
63
64
64
64
63
64
64
65
65
65
65
65
65
66
65
66
66
65

Pressure (mb)

1023
1023
1022
1022
1021
1020
1020
1019
1018
1017
1016
1015
1013
1012
1011
1009
1008
1007
1005
1004
1003
1002
1001
1001

Ozone (du)

414
418
421
424
423
421
420
411
402
393
387
381
376
368
360
352
347
342
337
334
332
329
331
332

Monday 5

Waning Gibbous 88%

19:05

11:42

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

Sun - Rise: 10:45, Set: 15:03, Transit: 12:56. Moon - Rise: 19:05, Set: 11:42. Civil Dark: 16:22 - 09:27. Nautical Dark: 17:32 - 08:17. Astro Dark: 18:34 - 07:16

Total Clouds (% Sky Obscured)

77
89
100
100
100
100
100
100
100
100
100
100
99
99
95
98
99
100

Low Clouds (% Sky Obscured)

21
42
63
64
68
91
68
63
65
81
82
90
95
99
95
98
99
100

Medium Clouds (% Sky Obscured)

74
87
100
100
100
100
100
100
100
100
100
100
99
97
95
96
97
97

High Clouds (% Sky Obscured)

77
85
86
93
98
100
99
98
97
100
100
100
99
95
95
95
90
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0

Fog (%)

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
18
31
46
59
66
69
64
61
58
55
49
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-24
-23
-22
-21
-21
-21
-20
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21

Feels Like (°C)

-34
-27
-27
-26
-26
-26
-25
-24
-24
-24
-24
-24
-24
-25
-25
-25
-24
-24

Dew Point (°C)

-29
-27
-26
-25
-24
-24
-24
-24
-24
-24
-23
-24
-24
-24
-23
-24
-23
-23

Relative Humidity (%)

65
67
68
70
70
70
71
73
75
77
78
77
78
78
78
77
78
78

Pressure (mb)

1000
1000
999
998
998
998
998
997
997
997
997
997
997
997
997
997
997
997

Ozone (du)

334
332
330
327
327
327
326
325
323
322
323
324
325
326
328
329
337
345

Forecast for Chatanika, Fairbanks North Star, United States of America (65.05,-147.44)

Generated: 30/12/25 15:13:10. Forecast: 30/12/25 to 05/01/26. Timezone: UTC-9.00