Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 7%

10:14

18:37

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
12 Bad

Sun - Rise: 07:35, Set: 16:15, Transit: 11:55. Moon - Rise: 10:14, Set: 18:37. Civil Dark: 16:49 - 07:01. Nautical Dark: 17:27 - 06:23. Astro Dark: 18:03 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
86
73
71
70
57
54
74
100
79
92
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
89
93
87
74
67
70
70
57
54
33
55
73
87
94
97
100
100
100
98
88
87
92
92

Medium Clouds (% Sky Obscured)

99
100
92
91
59
22
0
0
0
0
0
0
0
38
75
70
75
76
100
98
95
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
63
100
65
71
100
80
75
100
100
100
94
86
100
86

ISS Passover

Visibility (miles)

7
2
1
1
8
6
3
3
3
5
7
9
9
9
2
1
0
0
0
0
0
0
1
0

Fog (%)

0
0
0
0
0
0
0
0
0
1
9
33
23
0
0
0
0
0
0
0
0
0
0
1

Precipitation Type

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

Precipitation Probability (%)

7
27
40
28
22
15
7
5
1
1
1
1
1
5
2
16
9
20
20
20
16
27
39
52

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
0.1
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-14
-14
-14
-13
-13
-12
-14
-13
-13
-13
-14
-15
-14
-14
-14
-14
-13
-14
-14
-14
-14
-14
-13

Dew Point (°C)

-15
-13
-12
-12
-10
-11
-11
-12
-12
-12
-12
-13
-13
-13
-12
-11
-11
-11
-10
-11
-10
-10
-10
-9

Relative Humidity (%)

72
77
83
86
90
92
94
92
92
90
92
90
90
90
90
92
90
90
90
88
88
87
87
88

Pressure (mb)

1029
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1024
1023
1022
1022
1020
1019

Ozone (du)

369
360
355
361
357
354
356
353
344
338
335
333
330
328
327
321
321
321
323
323
319
312
309
316

Tuesday 23

Waxing Crescent 13%

10:36

19:48

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
12 Bad

Sun - Rise: 07:36, Set: 16:16, Transit: 11:56. Moon - Rise: 10:36, Set: 19:48. Civil Dark: 16:50 - 07:01. Nautical Dark: 17:28 - 06:23. Astro Dark: 18:04 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
100
100
100
97
97
95
72
66
80
57
50
67
61
59
57

Low Clouds (% Sky Obscured)

94
93
91
91
93
92
89
92
92
93
95
95
90
84
77
57
50
66
43
42
60
59
48
49

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
96
95
99
98
100
100
89
88
82
42
30
25
28
27
49
43
26
5

High Clouds (% Sky Obscured)

86
2
6
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

71
83
83
84
93
94
83
82
81
83
90
86
74
56
42
28
22
7
4
4
2
1
0
0

Precipitation Amount (mm)

0.4
0.5
0.5
0.5
0.6
0.6
0.5
0.5
0.5
0.5
0.6
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
12
12
11
12
11
10
10
9
8
6
5
5
5
5
4
4
4
5
8
8
6

Chance of Frost

Temperature (°C)

-8
-8
-8
-8
-8
-8
-8
-8
-8
-7
-8
-8
-7
-7
-7
-8
-8
-9
-10
-10
-9
-5
-5
-4

Feels Like (°C)

-14
-14
-14
-14
-13
-14
-14
-13
-13
-13
-13
-13
-13
-11
-12
-12
-12
-14
-14
-13
-11
-9
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
90
92
92
92
92
92
92
92
92
92
92
92
90
87
85
85
88
82
74
70
68

Pressure (mb)

1017
1016
1015
1014
1013
1012
1012
1011
1010
1010
1009
1009
1009
1010
1011
1012
1013
1015
1016
1018
1019
1021
1021
1022

Ozone (du)

328
333
340
347
350
353
351
339
339
348
357
362
365
360
356
355
356
361
364
364
362
359
363
361

Wednesday 24

Waxing Crescent 21%

10:55

21:00

13 OK
14 OK
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

Sun - Rise: 07:36, Set: 16:16, Transit: 11:56. Moon - Rise: 10:55, Set: 21:00. Civil Dark: 16:51 - 07:02. Nautical Dark: 17:28 - 06:24. Astro Dark: 18:05 - 05:47

Total Clouds (% Sky Obscured)

48
40
10
51
65
68
90
94
100
100
98
100
100
100
100
100
100
94
85
76
65
68
71
78

Low Clouds (% Sky Obscured)

45
40
10
10
9
11
10
19
2
5
7
74
97
89
100
97
85
75
71
65
58
64
70
75

Medium Clouds (% Sky Obscured)

0
0
0
31
59
61
86
89
96
100
98
100
100
100
100
100
100
80
56
33
10
0
0
0

High Clouds (% Sky Obscured)

0
4
4
4
4
7
32
76
95
55
48
100
100
98
78
100
100
30
30
1
6
14
5
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
0
0
0
0
2
1
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
Snow
None
None
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

0
1
1
0
0
1
0
0
0
0
0
2
23
45
47
48
52
72
65
40
29
20
12
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-5
-6
-7
-9
-10
-11
-12
-11
-10
-10
-10
-9
-9
-9
-9
-9
-9
-9
-8
-7
-6
-6
-5

Feels Like (°C)

-7
-8
-9
-10
-12
-13
-15
-15
-15
-14
-14
-15
-14
-14
-14
-14
-14
-13
-13
-12
-12
-12
-11
-10

Dew Point (°C)

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

Relative Humidity (%)

66
67
79
87
87
88
88
90
90
90
90
88
87
87
87
88
90
92
92
92
88
85
79
73

Pressure (mb)

1022
1023
1024
1025
1025
1026
1026
1025
1025
1024
1024
1023
1022
1022
1021
1019
1018
1017
1017
1017
1017
1016
1016
1015

Ozone (du)

357
354
350
341
341
343
344
346
350
356
358
362
365
361
360
367
372
374
376
378
377
376
373
367

Thursday 25

Waxing Crescent 30%

11:12

22:11

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

Sun - Rise: 07:36, Set: 16:17, Transit: 11:57. Moon - Rise: 11:12, Set: 22:11. Civil Dark: 16:51 - 07:02. Nautical Dark: 17:29 - 06:24. Astro Dark: 18:05 - 05:48

Total Clouds (% Sky Obscured)

69
59
46
21
11
2
25
50
74
50
29
10
28
44
65
68
87
87
75
100
98
100
100
100

Low Clouds (% Sky Obscured)

63
51
43
19
10
2
2
4
5
5
2
2
2
2
2
2
0
0
3
2
0
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
4
3
2
0
0
0
2
2
1
2
23
54
80
82
92
100

High Clouds (% Sky Obscured)

1
0
0
0
0
0
25
50
74
50
29
10
28
44
65
68
87
87
75
100
98
100
100
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 (%)

9
13
3
6
2
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
9
8
8
8
8
7
6
5
5
4
4
4
4
5
4
4
3
2
2
2
3
4
5

Chance of Frost

Temperature (°C)

-5
-6
-7
-8
-9
-11
-13
-14
-15
-16
-17
-18
-18
-19
-20
-20
-20
-20
-20
-20
-17
-16
-15
-13

Feels Like (°C)

-10
-10
-12
-13
-13
-15
-16
-17
-18
-19
-19
-21
-21
-21
-22
-23
-23
-23
-23
-21
-21
-20
-19
-18

Dew Point (°C)

-9
-9
-11
-11
-13
-15
-16
-18
-19
-20
-20
-21
-22
-22
-23
-24
-24
-24
-24
-23
-22
-22
-21
-19

Relative Humidity (%)

73
74
73
74
72
70
73
73
73
73
74
75
74
74
71
66
66
67
70
74
64
59
58
59

Pressure (mb)

1015
1016
1017
1018
1020
1021
1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1028
1028
1029
1028
1028
1027
1026

Ozone (du)

361
358
359
358
360
361
360
357
351
349
349
345
345
342
341
341
340
341
340
341
336
336
339
340

Friday 26

Waxing Crescent 41%

11:30

23:24

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
12 Bad

Sun - Rise: 07:36, Set: 16:18, Transit: 11:57. Moon - Rise: 11:30, Set: 23:24. Civil Dark: 16:52 - 07:02. Nautical Dark: 17:30 - 06:24. Astro Dark: 18:06 - 05:48

Total Clouds (% Sky Obscured)

100
90
78
83
39
33
25
20
15
19
15
28
29
38
46
41
37
38
57
81
90
86
73
56

Low Clouds (% Sky Obscured)

0
0
1
11
22
33
25
20
15
19
15
28
29
38
46
41
37
38
57
81
79
77
73
56

Medium Clouds (% Sky Obscured)

100
90
78
82
39
33
25
20
15
19
15
28
29
38
43
41
37
38
56
66
62
41
21
0

High Clouds (% Sky Obscured)

75
52
50
55
39
33
25
20
15
19
15
28
1
3
3
22
37
38
38
42
47
29
15
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
0
1
3
42
71
95
95
95
95
95
95
95
95
95
89
79
70
63
50
34
9

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.4
0.7
1.1
1.3
1.3
1.5
1.2
1.3
1.1
0.7
0.7
0.5
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-13
-13
-13
-15
-17
-17
-17
-17
-17
-17
-17
-16
-16
-13
-13
-13
-14
-14
-15
-14
-13
-12
-11
-10

Feels Like (°C)

-17
-17
-17
-18
-20
-19
-19
-19
-19
-19
-19
-19
-19
-17
-17
-16
-17
-17
-18
-18
-18
-17
-17
-17

Dew Point (°C)

-19
-18
-17
-17
-19
-19
-19
-19
-19
-19
-19
-19
-19
-16
-17
-17
-17
-17
-18
-17
-16
-15
-15
-14

Relative Humidity (%)

59
62
70
80
81
81
83
80
80
80
81
80
77
78
76
74
74
76
77
76
76
75
73
73

Pressure (mb)

1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1014
1014
1014
1015
1015
1016
1017
1018
1019
1019
1019

Ozone (du)

336
337
342
343
346
344
349
353
362
360
361
359
356
354
352
351
350
349
347
346
345
343
340
337

Saturday 27

First Quarter 52%

11:49

00:38

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
12 Bad

Sun - Rise: 07:37, Set: 16:18, Transit: 11:58. Moon - Rise: 11:49, Set: 00:38. Civil Dark: 16:53 - 07:02. Nautical Dark: 17:30 - 06:25. Astro Dark: 18:07 - 05:48

Total Clouds (% Sky Obscured)

63
70
78
72
71
64
72
79
89
89
89
93
96
98
94
86
80
71
77
88
100
100
100
100

Low Clouds (% Sky Obscured)

63
70
78
72
60
41
54
68
73
65
58
52
56
68
81
69
60
53
67
79
94
94
94
94

Medium Clouds (% Sky Obscured)

0
0
0
3
6
10
32
57
80
77
74
71
78
84
85
82
77
70
71
76
90
92
92
88

High Clouds (% Sky Obscured)

16
30
42
54
65
64
63
28
17
4
0
0
0
0
0
1
2
3
39
74
100
98
96
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
5
3
3
2
1
1
0
0
0
0
0
18
28
36
68
90
95
95
95
95
95
95
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
1
1.2
1.5
1.2
0.9
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-13
-13
-13
-14
-14
-15
-18
-18
-18
-19
-19
-18
-18
-18
-18
-17
-17
-17
-16
-17
-16
-16
-16

Dew Point (°C)

-13
-13
-13
-13
-13
-14
-15
-15
-15
-15
-16
-15
-15
-14
-14
-13
-12
-12
-12
-12
-11
-11
-9
-9

Relative Humidity (%)

71
75
78
80
81
81
81
81
81
83
81
83
84
85
86
90
88
88
90
92
90
90
92
94

Pressure (mb)

1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1019
1018
1016
1015
1014
1013
1012
1011
1009

Ozone (du)

334
332
331
329
333
337
341
340
339
338
339
339
340
340
341
341
345
348
352
357
361
366
375
383

Sunday 28

Waxing Gibbous 63%

12:11

01:56

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

Sun - Rise: 07:37, Set: 16:19, Transit: 11:58. Moon - Rise: 12:11, Set: 01:56. Civil Dark: 16:53 - 07:03. Nautical Dark: 17:31 - 06:25. Astro Dark: 18:07 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
76
84
88
88
90
91
94
98
98
99
99
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

82
75
68
79
90
99
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

76
66
54
70
85
98
87
75
72
48
30
15
5
0
0
34
67
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
2
4
6
7
8
9
8
8
7
8
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

70
69
71
69
66
67
62
53
41
48
52
58
76
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0
0.2
0.2
0.3
0.4
0.6
1
1.4
1.7
2

Wind Speed/Direction (mph)

8
8
7
7
7
9
12
13
15
16
16
15
15
15
15
15
14
13

Chance of Frost

Temperature (°C)

-7
-6
-6
-6
-5
-4
-4
-5
-6
-8
-9
-10
-11
-11
-11
-11
-11
-12

Feels Like (°C)

-16
-12
-11
-11
-11
-10
-10
-8
-9
-10
-11
-11
-11
-18
-18
-18
-18
-18

Dew Point (°C)

-8
-7
-6
-6
-6
-5
-5
-7
-9
-11
-13
-13
-14
-14
-15
-15
-15
-15

Relative Humidity (%)

92
94
96
94
96
94
92
89
84
80
77
77
75
75
73
75
73
73

Pressure (mb)

1007
1005
1004
1003
1002
1001
1001
1000
1000
999
999
998
997
996
996
995
994
994

Ozone (du)

391
394
396
399
406
413
421
428
434
441
441
440
440
441
443
445
444
443

Forecast for Domaine-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 22/12/25 13:55:13. Forecast: 22/12/25 to 28/12/25. Timezone: UTC-5.00