Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

First Quarter 55%

No Rise

02:46

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

Sun - Rise: 06:37, Set: 17:35, Transit: 12:07. Moon - Rise: No Rise, Set: 02:46. Civil Dark: 18:04 - 06:08. Nautical Dark: 18:39 - 05:33. Astro Dark: 19:13 - 04:59

Total Clouds (% Sky Obscured)

59
62
63
35
30
28
22
4
4
6
7
4
60
80
99
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

50
0
0
5
5
5
3
0
1
1
1
0
1
0
2
31
55
10
10
92
100
94
90
95

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
18
76
88
99
100
100
100
100
100
100
100
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
0
53
32
88
84
100
100
100
100
100
100
25
0

ISS Passover

Visibility (miles)

9
9
7
2
2
4
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
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
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
2
3
15
4
3
1
0
0
0
0
0
0
0
0
1
6
7
12
69
95
82
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.6
0.5

Wind Speed/Direction (mph)

10
10
11
13
13
13
12
12
11
9
7
6
4
3
3
3
4
6
7
7
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-17
-17
-19
-18
-18
-18
-18
-18
-18
-19
-19
-19
-21
-21
-21
-20
-20
-20
-19
-18
-18
-17
-16

Dew Point (°C)

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

Relative Humidity (%)

79
78
80
79
79
83
81
81
81
79
77
80
82
82
80
82
83
84
84
83
81
86
88
90

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1011
1011
1011
1010
1010
1009
1008
1007
1005
1004
1003
1002
1002
1001

Ozone (du)

446
441
438
438
429
422
424
423
424
422
426
430
438
436
437
440
444
443
438
435
424
435
446
456

Wednesday 25

Waxing Gibbous 67%

10:44

03:50

10 Bad
11 Bad
12 Bad
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

Sun - Rise: 06:36, Set: 17:36, Transit: 12:07. Moon - Rise: 10:44, Set: 03:50. Civil Dark: 18:06 - 06:06. Nautical Dark: 18:40 - 05:32. Astro Dark: 19:14 - 04:57

Total Clouds (% Sky Obscured)

98
99
100
100
100
99
100
99
94
84
91
97
93
85
90
76
74
66
88
93
90
93
90
71

Low Clouds (% Sky Obscured)

94
89
94
91
99
83
92
91
52
22
88
91
65
28
69
74
74
66
82
80
81
87
84
71

Medium Clouds (% Sky Obscured)

89
97
100
100
99
95
98
97
82
76
65
55
85
80
30
21
12
0
17
22
0
0
0
0

High Clouds (% Sky Obscured)

0
1
0
29
31
2
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
2
0
0
0
0
8
9
1
4
6
9
9
9
9
8
1
0
4
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

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

Precipitation Probability (%)

59
49
47
45
59
75
86
85
54
18
20
34
25
24
7
4
9
11
12
17
9
6
6
6

Precipitation Amount (mm)

0.3
0.2
0.2
0.1
0.2
0.4
0.5
0.5
0.2
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
8
8
8
9
9
9
9
8
8
7
8
9
11
11
12
12
12
12
12
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
89
89
94
96
96
96
96
89
90
90
89
92
80
82
84
85
87
89
88
87
85

Pressure (mb)

1000
1000
999
998
997
997
997
997
998
999
999
1000
1000
1001
1001
1002
1003
1004
1005
1006
1007
1007
1009
1010

Ozone (du)

466
466
467
470
472
472
471
470
478
484
482
479
476
472
470
466
462
468
470
474
473
470
467
469

Thursday 26

Waxing Gibbous 78%

11:49

04:41

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

Sun - Rise: 06:34, Set: 17:37, Transit: 12:06. Moon - Rise: 11:49, Set: 04:41. Civil Dark: 18:07 - 06:04. Nautical Dark: 18:41 - 05:30. Astro Dark: 19:16 - 04:55

Total Clouds (% Sky Obscured)

67
56
92
88
100
99
98
92
61
29
25
25
22
6
5
3
2
36
58
58
58
66
66
71

Low Clouds (% Sky Obscured)

67
56
81
71
74
73
64
45
19
1
1
0
0
1
0
0
0
1
1
5
43
50
54
61

Medium Clouds (% Sky Obscured)

0
0
7
22
68
97
92
83
48
29
25
25
22
4
2
3
2
20
36
46
36
44
52
50

High Clouds (% Sky Obscured)

0
0
1
9
82
88
70
40
61
29
25
25
18
1
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
8
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 (%)

7
1
3
1
17
4
4
1
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)

12
12
12
11
11
11
11
10
9
8
7
6
5
5
4
3
4
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

-7
-7
-6
-6
-5
-5
-5
-6
-6
-7
-8
-8
-9
-9
-10
-11
-12
-14
-14
-15
-15
-16
-13
-12

Feels Like (°C)

-12
-12
-11
-12
-11
-11
-11
-11
-11
-12
-12
-13
-13
-13
-13
-14
-15
-16
-17
-18
-18
-19
-16
-14

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-9
-10
-10
-11
-11
-11
-12
-14
-15
-16
-17
-18
-18
-18
-15
-14

Relative Humidity (%)

83
82
77
76
76
77
77
79
79
80
82
83
85
87
85
83
83
81
81
81
81
81
84
83

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1021

Ozone (du)

467
460
455
451
450
450
449
448
449
450
453
450
446
442
442
439
432
429
431
434
435
443
454
463

Friday 27

Waxing Gibbous 87%

13:05

05:19

10 Bad
11 Bad
12 Bad
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

Sun - Rise: 06:32, Set: 17:39, Transit: 12:06. Moon - Rise: 13:05, Set: 05:19. Civil Dark: 18:09 - 06:02. Nautical Dark: 18:43 - 05:28. Astro Dark: 19:17 - 04:54

Total Clouds (% Sky Obscured)

72
87
96
92
89
84
69
55
41
49
53
53
78
80
81
99
99
98
99
99
100
91
81
73

Low Clouds (% Sky Obscured)

57
68
75
73
72
82
69
55
41
49
53
43
73
60
8
12
18
25
95
99
100
91
81
73

Medium Clouds (% Sky Obscured)

56
57
67
66
77
71
61
50
41
46
2
1
11
24
29
99
94
98
87
72
50
35
25
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
2
1
16
31
44
61
79
81
82
67
50
40
26
10
5
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
0
0
0
0
4
9
9
9
9
9
9
9
9
9
9
9
5
1

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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
Frozen rai
Light Rain

Precipitation Probability (%)

2
2
1
4
8
18
30
42
48
29
9
2
1
1
0
1
2
2
9
14
26
65
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-10
-9
-7
-5
-4
-3
-2
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
0
1
1
3

Feels Like (°C)

-13
-11
-10
-9
-7
-7
-7
-6
-7
-7
-7
-7
-7
-8
-8
-8
-8
-7
-6
-7
-6
-6
-5
-3

Dew Point (°C)

-13
-11
-9
-8
-7
-6
-3
-4
-4
-3
-3
-4
-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-1
1

Relative Humidity (%)

83
83
82
79
79
81
92
92
94
96
94
94
92
89
89
87
87
87
87
86
86
86
88
91

Pressure (mb)

1021
1020
1020
1020
1019
1018
1018
1018
1017
1017
1016
1016
1015
1014
1013
1013
1012
1011
1010
1009
1009
1008
1009
1009

Ozone (du)

464
460
457
455
462
465
472
476
478
469
443
436
431
429
427
425
419
416
419
419
416
417
420
418

Saturday 28

Waxing Gibbous 94%

14:25

05:48

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

Sun - Rise: 06:30, Set: 17:40, Transit: 12:06. Moon - Rise: 14:25, Set: 05:48. Civil Dark: 18:10 - 06:01. Nautical Dark: 18:44 - 05:26. Astro Dark: 19:18 - 04:52

Total Clouds (% Sky Obscured)

80
89
97
78
63
60
58
51
14
24
32
37
82
74
67
66
73
76
68
63
59
67
63
72

Low Clouds (% Sky Obscured)

75
73
69
45
21
1
0
1
2
2
4
4
18
32
29
41
57
55
58
63
59
67
63
72

Medium Clouds (% Sky Obscured)

42
64
86
52
21
0
0
0
3
18
24
37
77
68
67
66
70
74
68
63
59
67
60
58

High Clouds (% Sky Obscured)

22
43
65
43
22
10
10
10
1
0
0
0
0
0
2
1
2
3
2
1
0
0
0
0

ISS Passover

Visibility (miles)

2
0
0
0
0
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

Light Rain
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 (%)

67
44
27
29
11
7
3
1
12
1
1
1
2
3
4
6
10
12
19
22
21
20
19
16

Precipitation Amount (mm)

0.4
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)

16
17
17
17
16
15
15
13
11
10
9
8
7
4
3
3
3
4
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
2
0
-1
-2
-3
-4
-6
-7
-9
-10
-9
-8
-8
-8
-9
-11
-11
-10

Feels Like (°C)

-2
-3
-3
-3
-3
-4
-5
-6
-6
-6
-7
-8
-10
-11
-12
-13
-12
-10
-10
-10
-9
-10
-14
-16

Dew Point (°C)

4
3
4
3
3
-0
-3
-4
-5
-5
-6
-6
-9
-10
-11
-12
-11
-10
-10
-11
-11
-13
-14
-14

Relative Humidity (%)

100
98
100
100
100
82
73
75
77
78
81
84
79
83
85
87
85
85
85
83
82
80
78
75

Pressure (mb)

1009
1010
1010
1011
1012
1013
1015
1016
1017
1018
1019
1020
1021
1022
1022
1023
1021
1022
1022
1023
1024
1025
1025
1026

Ozone (du)

414
409
401
395
393
393
393
392
391
394
394
399
400
397
398
397
399
400
401
406
411
416
417
419

Sunday 1

Waxing Gibbous 98%

15:44

06:11

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

Sun - Rise: 06:28, Set: 17:42, Transit: 12:06. Moon - Rise: 15:44, Set: 06:11. Civil Dark: 18:11 - 05:59. Nautical Dark: 18:45 - 05:25. Astro Dark: 19:20 - 04:50

Total Clouds (% Sky Obscured)

64
43
28
40
45
58
66
70
70
52
36
18
15
12
10
29
41
60
70
76
85
75
50
50

Low Clouds (% Sky Obscured)

61
31
0
8
15
23
36
48
61
45
28
9
7
3
0
0
0
0
0
0
2
2
2
1

Medium Clouds (% Sky Obscured)

44
25
8
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
17
33
47
54
50
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
7
9
15
15
10
25

ISS Passover

Visibility (miles)

9
8
8
7
8
8
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 (%)

12
6
2
6
6
2
7
8
1
2
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
7
9
10
10
11
10
9
8
8
7
6
6
5
5
5
4
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

-9
-8
-8
-7
-7
-8
-8
-10
-11
-13
-14
-16
-17
-19
-20
-21
-23
-24
-24
-23
-22
-22
-20
-18

Feels Like (°C)

-16
-15
-15
-14
-11
-12
-13
-13
-13
-13
-18
-18
-18
-19
-19
-20
-25
-26
-26
-26
-27
-27
-25
-24

Dew Point (°C)

-13
-13
-12
-12
-12
-12
-12
-13
-15
-16
-17
-19
-20
-22
-23
-24
-26
-27
-27
-26
-25
-25
-23
-22

Relative Humidity (%)

74
71
70
66
68
70
71
74
75
76
76
76
76
77
76
74
74
74
73
74
74
74
75
73

Pressure (mb)

1027
1027
1027
1028
1028
1029
1029
1030
1031
1032
1033
1034
1035
1035
1036
1037
1038
1038
1039
1039
1040
1040
1041
1041

Ozone (du)

420
418
416
415
414
413
412
410
407
405
405
404
404
404
404
404
404
405
405
405
405
405
404
402

Monday 2

Waxing Gibbous 100%

17:00

06:30

10 Bad
11 Bad
12 Bad
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: 06:27, Set: 17:43, Transit: 12:06. Moon - Rise: 17:00, Set: 06:30. Civil Dark: 18:13 - 05:57. Nautical Dark: 18:47 - 05:23. Astro Dark: 19:21 - 04:48

Total Clouds (% Sky Obscured)

60
80
85
90
95
100
100
95
95
95
90
85
85
80
75
70
65
55
66
71
74

Low Clouds (% Sky Obscured)

2
5
8
12
19
32
31
32
19
15
9
3
9
14
18
26
26
27
25
27
24

Medium Clouds (% Sky Obscured)

60
80
85
90
95
95
95
90
90
95
90
85
85
80
75
70
65
50
64
71
74

High Clouds (% Sky Obscured)

60
70
65
65
70
75
75
60
70
70
65
70
85
80
75
70
65
55
66
71
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

4
4
5
6
6
6
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-23
-23
-22
-17
-17
-17
-17
-17
-17
-19
-20
-20
-20
-20
-21
-22
-22
-22
-22
-22

Dew Point (°C)

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

Relative Humidity (%)

72
70
70
70
70
73
73
74
78
79
78
78
77
79
80
81
80
80
82
83
82

Pressure (mb)

1042
1041
1041
1041
1040
1040
1040
1040
1040
1040
1040
1040
1039
1039
1039
1039
1038
1037
1037
1036
1036

Ozone (du)

401
397
393
388
385
381
378
377
376
375
374
374
373
372
371
370
371
371
372
375
377

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 24/02/26 09:28:29. Forecast: 24/02/26 to 02/03/26. Timezone: UTC-5.00