Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 41%

11:17

23:11

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
12 Bad

Sun - Rise: 07:27, Set: 16:03, Transit: 11:45. Moon - Rise: 11:17, Set: 23:11. Civil Dark: 16:38 - 06:52. Nautical Dark: 17:16 - 06:14. Astro Dark: 17:53 - 05:37

Total Clouds (% Sky Obscured)

33
54
63
63
79
85
93
100
97
94
93
100
100
100
97
96
96
100
100
93
89
77
79
87

Low Clouds (% Sky Obscured)

2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
8
13

Medium Clouds (% Sky Obscured)

33
54
62
30
64
78
93
78
94
94
93
100
100
100
97
96
96
100
100
93
89
77
79
87

High Clouds (% Sky Obscured)

33
51
53
56
61
20
62
100
88
52
42
100
100
99
59
37
69
62
87
44
39
2
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)

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

Chance of Frost

Temperature (°C)

-15
-14
-15
-16
-17
-19
-20
-19
-20
-20
-20
-19
-18
-17
-17
-17
-16
-16
-17
-17
-15
-14
-12
-11

Feels Like (°C)

-18
-18
-18
-20
-21
-23
-24
-23
-24
-24
-24
-23
-23
-21
-20
-20
-20
-20
-20
-21
-19
-18
-17
-15

Dew Point (°C)

-19
-18
-18
-19
-20
-21
-23
-22
-23
-23
-23
-22
-21
-20
-19
-19
-19
-19
-19
-19
-19
-17
-16
-14

Relative Humidity (%)

70
71
74
79
79
78
77
78
77
76
76
78
78
78
79
80
79
79
82
83
74
73
73
78

Pressure (mb)

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

Ozone (du)

325
321
324
324
324
323
327
331
333
333
333
332
327
333
334
332
333
334
336
339
349
357
363
366

Saturday 27

First Quarter 52%

11:36

00:26

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

Sun - Rise: 07:27, Set: 16:04, Transit: 11:46. Moon - Rise: 11:36, Set: 00:26. Civil Dark: 16:39 - 06:52. Nautical Dark: 17:17 - 06:14. Astro Dark: 17:54 - 05:37

Total Clouds (% Sky Obscured)

74
56
19
12
10
11
3
3
3
3
2
2
2
1
1
1
1
0
0
0
0
0
1
3

Low Clouds (% Sky Obscured)

13
9
1
1
3
2
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

36
27
10
6
3
11
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

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

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)

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

Chance of Frost

Temperature (°C)

-11
-10
-11
-13
-15
-16
-17
-17
-17
-16
-17
-17
-16
-16
-15
-15
-15
-14
-14
-14
-13
-11
-10
-9

Feels Like (°C)

-15
-14
-14
-15
-17
-19
-20
-19
-20
-19
-20
-19
-20
-20
-19
-19
-19
-19
-19
-19
-17
-16
-14
-13

Dew Point (°C)

-14
-13
-13
-15
-17
-17
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-18
-18
-18
-17
-15
-13
-12

Relative Humidity (%)

78
80
86
88
86
85
84
83
83
82
81
81
77
76
72
72
71
71
71
71
71
73
74
74

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1022
1023
1023
1022
1023
1022
1022
1020
1019

Ozone (du)

367
368
365
362
364
365
370
374
379
379
376
371
369
368
366
369
369
360
355
355
357
359
356
354

Sunday 28

Waxing Gibbous 63%

11:57

01:45

13 Good
14 Good
15 OK
16 OK
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: 07:27, Set: 16:05, Transit: 11:46. Moon - Rise: 11:57, Set: 01:45. Civil Dark: 16:40 - 06:52. Nautical Dark: 17:18 - 06:14. Astro Dark: 17:54 - 05:37

Total Clouds (% Sky Obscured)

2
7
25
30
49
63
65
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
1
2
2
17
19
24
28
24
16
23
4
3
3
3
3
18
38
62
87
90
93
94

Medium Clouds (% Sky Obscured)

0
7
25
30
29
62
40
58
100
99
92
75
66
58
71
67
100
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
5
25
30
49
63
65
99
100
100
100
100
97
100
100
100
100
100
100
100
100
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
Snow
Snow
Snow
Frozen rai

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
24
31
37
60
81
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.5
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-10
-10
-11
-12
-12
-13
-13
-13
-12
-11
-12
-12
-12
-12
-11
-10
-10
-9
-8
-7
-6
-5
-4

Relative Humidity (%)

77
80
80
82
81
81
83
83
83
83
87
86
87
85
83
85
85
83
85
85
79
78
78
81

Pressure (mb)

1018
1017
1017
1017
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1006
1005
1003
1002
1001
999
998
996
994
992

Ozone (du)

352
353
350
346
349
353
355
351
356
355
351
353
351
349
348
349
350
350
351
350
348
346
344
343

Monday 29

Waxing Gibbous 74%

12:25

03:08

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: 07:27, Set: 16:06, Transit: 11:47. Moon - Rise: 12:25, Set: 03:08. Civil Dark: 16:40 - 06:52. Nautical Dark: 17:19 - 06:14. Astro Dark: 17:55 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
97
96
97
98
100
100
100
100
99
99
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

95
96
96
97
98
98
96
93
91
91
90
91
88
85
83
87
90
94
95
98
100
98
96
94

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
95
90
86
91
95
100
100
96
100
98
95
92
95
97
100
100
100
100

High Clouds (% Sky Obscured)

85
87
85
60
40
35
20
0
0
0
0
0
0
0
0
0
0
0
25
49
74
67
65
65

ISS Passover

Visibility (miles)

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

Frozen rai
Frozen rai
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
82
76
75
66
56
51
42
43
55
57
61
54
60

Precipitation Amount (mm)

1.5
1.9
1.6
1.5
1.7
1.9
1.4
1.6
1.3
1.1
0.7
0.5
0.4
0.5
0.4
0.2
0.1
0
0
0.2
0.2
0.3
0.2
0.3

Wind Speed/Direction (mph)

13
13
14
14
12
9
6
3
5
7
9
11
12
12
13
13
13
13
14
15
16
17
18
19

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-0
0
-0
-0
-1
-1
-3
-4
-5
-6
-6
-7
-7
-8
-8
-8
-8
-8
-8

Feels Like (°C)

-7
-7
-7
-7
-7
-6
-6
-6
-5
-4
-5
-8
-9
-10
-11
-11
-12
-13
-13
-14
-14
-14
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

92
92
94
94
94
94
94
94
96
98
98
98
96
96
96
94
92
90
88
90
94
94
92
88

Pressure (mb)

990
988
987
985
984
983
983
982
981
980
980
980
979
979
979
979
979
979
979
979
979
979
979
980

Ozone (du)

340
335
333
333
336
343
347
349
357
364
372
380
383
387
386
391
393
392
396
401
404
403
403
411

Tuesday 30

Waxing Gibbous 84%

13:02

04:33

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: 07:27, Set: 16:07, Transit: 11:47. Moon - Rise: 13:02, Set: 04:33. Civil Dark: 16:41 - 06:53. Nautical Dark: 17:19 - 06:14. Astro Dark: 17:56 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
96
97
97
98
98
99
100
100
100
97
94
90
95
80
70
74
80
87

Low Clouds (% Sky Obscured)

96
97
98
98
97
95
94
93
91
89
87
88
90
88
83
82
81
80
67
53
40
54
68
81

Medium Clouds (% Sky Obscured)

100
100
100
96
92
90
89
89
88
81
77
80
87
92
95
88
80
62
46
39
33
32
32
33

High Clouds (% Sky Obscured)

69
72
80
67
46
40
30
30
25
18
3
14
99
98
95
65
45
30
34
32
29
16
9
10

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

56
53
54
60
62
61
58
61
62
54
49
44
50
48
47
42
38
34
30
26
19
20
21
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
20
20
20
20
20
20
19
19
20
19
18
18
19
19
19
18
17
16
15
15
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-18
-18
-18
-18
-18
-18
-18
-19
-20
-21
-21
-22
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21

Dew Point (°C)

-10
-11
-12
-12
-11
-11
-11
-11
-12
-13
-14
-14
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15

Relative Humidity (%)

88
87
87
87
90
88
88
90
88
88
86
86
86
86
84
86
84
83
83
83
83
83
83
84

Pressure (mb)

980
981
982
983
983
984
985
986
987
988
989
989
990
992
993
994
995
996
997
998
999
1000
1000
1000

Ozone (du)

416
420
427
431
422
423
426
441
444
441
442
443
446
443
440
437
425
412
400
395
389
384
379
373

Wednesday 31

Waxing Gibbous 92%

13:02

05:56

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:27, Set: 16:07, Transit: 11:48. Moon - Rise: 13:02, Set: 05:56. Civil Dark: 16:42 - 06:53. Nautical Dark: 17:20 - 06:14. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

87
88
90
87
86
85
88
91
94
89
85
82
85
91
96
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
77
76
79
78
78
82
86
91
84
77
70
76
79
82
82
84
85
84
83
83
82
85
86

Medium Clouds (% Sky Obscured)

20
16
14
10
5
1
2
2
2
14
26
47
49
51
48
70
84
100
95
91
86
89
93
96

High Clouds (% Sky Obscured)

0
0
13
12
9
4
5
5
5
27
50
72
79
81
87
90
92
95
90
85
60
45
40
40

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

22
21
20
20
19
16
17
18
18
21
24
26
28
30
32
37
40
39
40
40
41
44
46
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-21
-21
-21
-21
-22
-22
-23
-23
-23
-23
-24
-25
-23
-22
-22
-22
-21
-20
-18
-16
-16
-16
-15

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
82
82
84
83
84
83
84
85
86
88
87
88
89
90
90
90
88
86
88
90

Pressure (mb)

1000
1001
1001
1002
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1003
1002

Ozone (du)

368
367
366
365
366
368
369
372
375
378
378
379
380
372
364
356
352
348
344
346
347
348
351
353

Thursday 1

Waxing Gibbous 97%

13:52

07:08

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: 07:27, Set: 16:08, Transit: 11:48. Moon - Rise: 13:52, Set: 07:08. Civil Dark: 16:43 - 06:53. Nautical Dark: 17:21 - 06:14. Astro Dark: 17:58 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
78
58
41
50
65
78
64
56
45

Low Clouds (% Sky Obscured)

88
89
90
91
92
93
88
84
81
67
53
39
50
65
78
64
56
45

Medium Clouds (% Sky Obscured)

97
98
100
96
91
89
91
93
96
73
49
25
19
15
10
16
23
30

High Clouds (% Sky Obscured)

32
23
37
24
12
0
0
2
3
3
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
2
4
5
7
8
9
8
7
6
6
6
7
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

50
50
52
47
42
34
31
28
23
25
25
25
25
24
20
20
19
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
8
7
6
6
7
7
8
8
8
7
7
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

-11
-11
-12
-12
-13
-14
-14
-15
-15
-16
-18
-19
-21
-22
-22
-22
-23
-23

Feels Like (°C)

-15
-15
-15
-16
-16
-16
-15
-19
-19
-18
-19
-20
-21
-26
-26
-26
-26
-26

Dew Point (°C)

-12
-12
-13
-13
-15
-16
-16
-17
-18
-19
-21
-22
-24
-25
-25
-26
-26
-27

Relative Humidity (%)

90
90
90
92
90
88
84
82
80
77
78
77
76
75
75
73
72
70

Pressure (mb)

1002
1002
1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1009

Ozone (du)

356
371
386
400
411
422
433
437
441
445
445
444
444
433
422
411
399
387

Forecast for Sainte-Marie, Chaudière-Appalaches, Canada (46.41,-71.06)

Generated: 26/12/25 13:31:59. Forecast: 26/12/25 to 01/01/26. Timezone: UTC-5.00