Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 15%

12:40

19:20

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
15 Bad

Sun - Rise: 11:01, Set: 14:38, Transit: 12:50. Moon - Rise: 12:40, Set: 19:20. Civil Dark: 16:04 - 09:34. Nautical Dark: 17:17 - 08:22. Astro Dark: 18:19 - 07:20

Total Clouds (% Sky Obscured)

93
96
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
85
91
90

Low Clouds (% Sky Obscured)

63
65
65
65
82
85
76
77
78
81
91
99
92
85
88
96
95
91
84
86
86
80
88
87

Medium Clouds (% Sky Obscured)

28
58
93
100
100
89
96
98
99
100
100
100
100
100
100
100
100
100
100
100
87
85
80
80

High Clouds (% Sky Obscured)

82
74
91
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
60
60
60
60
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
2
0
0
0
0
0
0
0
0
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
0
0
1
2
4
13

Precipitation Type

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

Precipitation Probability (%)

0
0
0
2
5
7
20
22
41
54
73
91
95
82
64
51
50
46
42
42
41
39
29
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.8
0.4
0.2
0.1
0.2
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-30
-29
-28
-26
-24
-23
-22
-21
-20
-19
-19
-19
-18
-18
-18
-18
-18
-18
-18
-18
-18
-18
-18
-18

Feels Like (°C)

-34
-33
-32
-30
-28
-27
-26
-25
-24
-23
-23
-22
-22
-22
-22
-22
-22
-22
-21
-22
-22
-22
-22
-22

Dew Point (°C)

-33
-33
-32
-30
-29
-27
-26
-24
-23
-22
-21
-21
-20
-20
-20
-20
-20
-20
-19
-20
-20
-20
-20
-20

Relative Humidity (%)

68
68
64
63
63
63
66
72
76
81
81
82
83
82
83
83
84
84
85
84
85
85
85
87

Pressure (mb)

1032
1032
1031
1031
1030
1029
1028
1027
1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

377
373
369
365
359
363
362
363
366
371
378
382
387
389
390
392
396
398
401
408
419
425
427
432

Wednesday 24

Waxing Crescent 23%

12:27

21:11

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
15 Bad

Sun - Rise: 11:01, Set: 14:39, Transit: 12:50. Moon - Rise: 12:27, Set: 21:11. Civil Dark: 16:05 - 09:34. Nautical Dark: 17:17 - 08:22. Astro Dark: 18:20 - 07:20

Total Clouds (% Sky Obscured)

88
87
88
95
95
96
96
95
95
83
76
77
75
74
74
76
84
92
93
78
78
80
88
91

Low Clouds (% Sky Obscured)

86
85
86
88
89
90
90
89
89
79
70
71
69
69
70
70
78
91
91
73
71
72
81
85

Medium Clouds (% Sky Obscured)

75
0
0
13
28
30
29
33
20
3
24
12
23
3
4
5
2
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)

0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Fog (%)

23
33
41
45
23
17
2
2
2
2
3
41
28
25
41
55
59
57
59
68
81
91
91
91

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 (%)

28
21
18
18
16
17
20
16
14
18
4
8
4
6
14
9
9
9
8
10
11
17
14
11

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

Chance of Frost

Temperature (°C)

-18
-19
-20
-20
-21
-21
-21
-21
-21
-21
-22
-22
-23
-23
-23
-24
-24
-24
-24
-24
-24
-25
-27
-27

Feels Like (°C)

-22
-23
-24
-24
-25
-26
-26
-26
-25
-26
-26
-26
-27
-27
-28
-28
-29
-29
-29
-29
-29
-29
-32
-32

Dew Point (°C)

-20
-21
-22
-23
-23
-24
-24
-24
-24
-24
-24
-25
-26
-26
-26
-27
-27
-27
-28
-27
-27
-28
-30
-30

Relative Humidity (%)

85
86
82
79
78
77
76
76
76
75
75
75
74
75
74
75
73
73
73
73
73
72
72
72

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1023
1024
1025
1025
1026
1026
1026
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030

Ozone (du)

434
432
430
430
435
434
434
442
446
444
442
435
426
424
423
422
422
421
421
423
426
427
430
426

Thursday 25

Waxing Crescent 32%

12:16

22:56

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
15 Bad

Sun - Rise: 11:00, Set: 14:41, Transit: 12:51. Moon - Rise: 12:16, Set: 22:56. Civil Dark: 16:06 - 09:34. Nautical Dark: 17:18 - 08:22. Astro Dark: 18:20 - 07:20

Total Clouds (% Sky Obscured)

92
91
90
90
89
82
73
66
68
66
62
60
55
55
39
39
40
44
41
63
78
84
90
93

Low Clouds (% Sky Obscured)

85
80
81
80
81
82
73
66
68
66
62
60
55
55
39
39
40
44
41
63
78
84
88
87

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
2
2
1
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)

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

Fog (%)

91
92
94
94
95
95
95
95
95
95
95
98
98
98
98
98
98
97
97
97
97
97
97
97

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 (%)

15
15
17
15
15
14
13
12
12
14
15
15
15
15
17
15
18
12
14
16
16
15
15
13

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
3
3
3
3
3
4
4
4
4
4
5
5
5
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

-26
-26
-26
-26
-27
-28
-28
-28
-28
-28
-29
-29
-29
-29
-29
-29
-29
-29
-29
-29
-29
-29
-29
-29

Feels Like (°C)

-31
-31
-31
-31
-32
-32
-32
-32
-32
-32
-32
-31
-32
-31
-32
-32
-32
-32
-32
-32
-32
-32
-32
-33

Dew Point (°C)

-30
-30
-30
-30
-30
-31
-31
-31
-32
-32
-32
-32
-32
-32
-32
-32
-33
-33
-33
-33
-33
-32
-32
-33

Relative Humidity (%)

71
71
71
72
71
71
71
71
70
70
70
71
70
71
70
70
70
70
69
69
69
69
69
68

Pressure (mb)

1030
1030
1030
1029
1029
1028
1028
1028
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

420
415
408
411
415
411
408
408
410
412
412
414
412
408
393
398
401
405
408
411
412
411
414
418

Friday 26

Waxing Crescent 43%

12:05

00:41

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 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK

Sun - Rise: 11:00, Set: 14:42, Transit: 12:51. Moon - Rise: 12:05, Set: 00:41. Civil Dark: 16:07 - 09:34. Nautical Dark: 17:19 - 08:22. Astro Dark: 18:21 - 07:20

Total Clouds (% Sky Obscured)

93
92
94
96
98
98
99
97
97
95
93
89
81
75
50
28
7
5
5
3
3
2
2
3

Low Clouds (% Sky Obscured)

86
86
87
89
90
91
92
93
93
93
93
86
78
69
47
23
0
0
0
0
1
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
6
4
2
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)

1
1
0
0
0
0
0
1
1
2
2
3
3
6
8
9
9
9
9
9
9
9
9
9

Fog (%)

97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97

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 (%)

12
17
13
11
16
9
16
10
10
10
9
7
6
7
6
5
2
3
3
0
3
1
0
1

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

Chance of Frost

Temperature (°C)

-30
-30
-31
-31
-31
-32
-32
-32
-33
-33
-34
-35
-35
-35
-36
-36
-36
-37
-37
-37
-37
-36
-36
-36

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
68
69
69
69
70
70
69
69
67
67
67
66
66
65
64
63
64
64
63
65
64
64

Pressure (mb)

1025
1025
1025
1026
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027

Ozone (du)

420
424
427
442
448
444
432
426
426
428
435
434
437
434
433
426
425
432
438
440
448
448
464
465

Saturday 27

First Quarter 54%

11:52

02:30

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

Sun - Rise: 10:59, Set: 14:44, Transit: 12:52. Moon - Rise: 11:52, Set: 02:30. Civil Dark: 16:08 - 09:34. Nautical Dark: 17:20 - 08:22. Astro Dark: 18:22 - 07:20

Total Clouds (% Sky Obscured)

5
8
10
11
11
12
13
22
32
43
35
30
25
10
5
10
10
9
7
3
4
5
7
5

Low Clouds (% Sky Obscured)

2
2
2
2
1
2
2
5
9
13
15
7
3
0
0
0
0
0
0
0
1
1
1
0

Medium Clouds (% Sky Obscured)

0
0
2
3
3
2
2
2
14
19
20
15
10
0
0
0
0
0
0
0
2
4
6
4

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 (%)

97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97

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 (%)

2
1
2
1
0
0
0
0
0
0
0
2
1
0
1
1
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
8
8
8
9
9
10
11
11
11
12
12
13
14
14
15
15
15
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

-36
-35
-34
-33
-33
-33
-32
-32
-32
-32
-33
-32
-32
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
65
64
64
64
64
65
65
65
66
65
65
67
67
67
67
66
67
66
66
66
65
65

Pressure (mb)

1027
1027
1027
1027
1026
1026
1026
1026
1025
1026
1026
1025
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1029
1029

Ozone (du)

466
471
474
476
477
480
487
495
498
500
508
510
508
506
504
504
503
503
499
494
489
488
487
485

Sunday 28

Waxing Gibbous 66%

11:37

04:29

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 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 10:58, Set: 14:46, Transit: 12:52. Moon - Rise: 11:37, Set: 04:29. Civil Dark: 16:09 - 09:33. Nautical Dark: 17:21 - 08:22. Astro Dark: 18:23 - 07:20

Total Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
1
1
1
4
5
5
5
5
14
42
62
71
78
84
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
46
69
74

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
38
61
69
77
84

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 (%)

97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97

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
2
3
2
17

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)

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

Chance of Frost

Temperature (°C)

-32
-31
-31
-31
-31
-31
-30
-30
-29
-29
-29
-29
-29
-29
-29
-29
-30
-31
-31
-32
-33
-33
-34
-34

Feels Like (°C)

-34
-34
-34
-34
-33
-33
-33
-32
-32
-32
-31
-31
-31
-32
-32
-32
-33
-33
-34
-35
-36
-36
-36
-36

Dew Point (°C)

-36
-35
-35
-35
-35
-35
-34
-34
-34
-33
-33
-33
-33
-33
-33
-33
-34
-35
-36
-36
-37
-38
-38
-38

Relative Humidity (%)

65
65
65
65
64
64
64
65
64
65
64
64
64
64
64
64
64
64
64
64
63
63
63
64

Pressure (mb)

1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1026
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

474
462
450
437
423
409
406
402
399
397
396
394
396
398
400
402
404
406
404
401
399
395
391
388

Monday 29

Waxing Gibbous 76%

11:13

06:48

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: 10:57, Set: 14:48, Transit: 12:52. Moon - Rise: 11:13, Set: 06:48. Civil Dark: 16:11 - 09:33. Nautical Dark: 17:22 - 08:21. Astro Dark: 18:24 - 07:20

Total Clouds (% Sky Obscured)

86
82
83
77
67
59
58
51
49
53
57
67
58
72
67
58
57

Low Clouds (% Sky Obscured)

79
82
83
77
37
59
58
51
49
51
47
46
45
48
47
46
46

Medium Clouds (% Sky Obscured)

86
82
83
77
67
59
55
45
40
40
45
40
45
50
47
35
24

High Clouds (% Sky Obscured)

0
0
0
1
0
2
3
5
0
0
0
0
2
2
2
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97
97

Precipitation Type

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

Precipitation Probability (%)

21
24
27
30
33
37
38
40
42
44
46
49
51
53
43
34
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
7
7
7
7
6
7
6
6
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027

Ozone (du)

389
391
393
392
392
391
391
391
391
387
382
377
375
373
371
370
368

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

Generated: 23/12/25 16:19:30. Forecast: 23/12/25 to 29/12/25. Timezone: UTC-9.00