Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 29%

No Rise

01:37

09 Bad
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 OK
02 OK
03 Good
04 Good
05 OK
06 OK
07 OK
08 OK

Sun - Rise: 06:45, Set: 19:09, Transit: 12:58. Moon - Rise: No Rise, Set: 01:37. Civil Dark: 19:39 - 06:15. Nautical Dark: 20:14 - 05:40. Astro Dark: 20:51 - 05:03

Total Clouds (% Sky Obscured)

96
97
100
99
98
98
100
96
90
89
89
93
93
92
82
47
21
8
7
7
18
28
23
23

Low Clouds (% Sky Obscured)

85
90
89
89
87
89
85
65
24
43
45
50
77
78
70
24
1
2
2
4
10
14
9
11

Medium Clouds (% Sky Obscured)

37
62
98
98
96
95
99
92
84
69
58
74
76
67
66
44
21
5
5
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
1
6
6
3
1
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 (%)

19
36
22
13
13
13
14
14
12
10
9
7
8
2
2
1
2
1
1
1
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)

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

Chance of Frost

Temperature (°C)

-3
-2
-2
-1
-1
-1
-1
-0
0
-0
-2
-3
-3
-4
-4
-4
-5
-5
-6
-6
-7
-8
-8
-7

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-4
-4
-4
-5
-5
-6
-7
-7
-8
-8
-9
-10
-10

Relative Humidity (%)

87
87
84
84
81
81
81
83
83
84
87
89
91
94
92
91
87
87
90
90
90
90
87
83

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1017
1017
1018
1019
1020
1021
1021
1022
1022
1022
1023
1023
1024
1025
1025
1026
1027

Ozone (du)

357
363
368
372
376
384
389
393
398
403
404
407
407
407
407
412
414
413
412
407
403
403
403
405

Tuesday 24

Waxing Crescent 40%

09:35

02:46

09 Good
10 Good
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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:43, Set: 19:11, Transit: 12:58. Moon - Rise: 09:35, Set: 02:46. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:16 - 05:38. Astro Dark: 20:53 - 05:01

Total Clouds (% Sky Obscured)

3
15
60
100
100
100
100
100
100
100
100
100
96
94
60
73
31
63
31
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
3
1
14
9
1
1
20
72
84
54
66
74
56
62
31
42
31
80
51
50
20
20

Medium Clouds (% Sky Obscured)

0
10
52
100
100
100
100
100
100
100
100
100
85
72
38
12
0
5
2
20
100
100
100
100

High Clouds (% Sky Obscured)

0
0
17
60
100
100
70
70
70
65
5
0
0
0
0
0
0
0
0
23
95
95
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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
5
11
9
10
3
2
2
14
8
6
2
0
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
5
7
9
11
13
13
14
14
13
12
15
13
13
13
12
12
12
12
9
10
9
10
9

Chance of Frost

Temperature (°C)

-6
-4
-3
-2
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-4
-5
-5
-5
-6

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-8
-7
-7
-7
-6
-7
-7
-6
-6
-6
-4
-5
-5
-5
-4
-4
-5
-8
-9
-10
-12
-14

Relative Humidity (%)

74
69
71
69
66
65
65
63
63
67
68
72
84
82
79
81
86
89
79
72
69
64
59
54

Pressure (mb)

1027
1027
1027
1026
1025
1025
1024
1023
1022
1022
1022
1022
1022
1022
1021
1021
1020
1021
1022
1023
1024
1025
1026
1027

Ozone (du)

408
416
419
422
423
429
438
449
461
466
472
477
483
490
496
500
502
501
500
500
495
493
488
485

Wednesday 25

First Quarter 52%

10:36

03:40

09 Bad
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

Sun - Rise: 06:41, Set: 19:12, Transit: 12:58. Moon - Rise: 10:36, Set: 03:40. Civil Dark: 19:42 - 06:11. Nautical Dark: 20:17 - 05:36. Astro Dark: 20:54 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
100
100
100
100
100
100
100
97
93
91
94
97
100
100

Low Clouds (% Sky Obscured)

20
20
20
25
25
57
45
74
54
61
64
58
66
69
78
70
66
71
77
81
83
85
88
87

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
92
98
100
100
100
100
100
100
93
85
78
86
94
100
99

High Clouds (% Sky Obscured)

100
84
79
72
100
95
80
100
85
75
100
100
100
100
100
100
100
29
25
1
15
0
0
0

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

5
2
2
0
0
0
0
0
1
5
8
29
44
54
63
72
61
52
53
68
92
92
80
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.4
0.3
0.2
0.2
0.3
0.7
0.7
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-6
-5
-5
-5
-4
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4

Feels Like (°C)

-11
-11
-11
-10
-9
-9
-7
-7
-7
-7
-8
-8
-7
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-8

Dew Point (°C)

-14
-15
-15
-15
-15
-13
-11
-11
-10
-9
-8
-8
-7
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5

Relative Humidity (%)

52
50
48
47
45
50
53
56
58
62
68
70
79
90
90
94
94
92
94
96
94
94
94
96

Pressure (mb)

1028
1028
1028
1028
1027
1026
1025
1024
1024
1023
1023
1022
1022
1021
1020
1018
1017
1016
1015
1014
1013
1012
1012
1011

Ozone (du)

482
480
475
471
466
464
459
450
439
433
432
434
434
434
435
434
432
428
424
423
428
427
427
425

Thursday 26

Waxing Gibbous 64%

11:49

04:21

09 Bad
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 OK

Sun - Rise: 06:39, Set: 19:13, Transit: 12:57. Moon - Rise: 11:49, Set: 04:21. Civil Dark: 19:43 - 06:09. Nautical Dark: 20:19 - 05:34. Astro Dark: 20:56 - 04:57

Total Clouds (% Sky Obscured)

99
98
99
99
100
100
100
100
100
100
100
100
99
99
97
94
91
90
90
91
77
62
47
28

Low Clouds (% Sky Obscured)

86
85
89
94
98
98
99
99
99
99
99
99
99
99
97
94
91
90
90
85
73
61
47
21

Medium Clouds (% Sky Obscured)

97
97
87
85
48
53
100
100
100
100
100
99
97
96
92
86
73
63
60
55
36
19
0
0

High Clouds (% Sky Obscured)

25
9
32
63
100
97
100
100
100
100
100
75
51
26
22
19
20
15
15
15
1
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
3
0
0
0
0
1
0
0
1
7
1
4
0
0
2
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
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Frozen rai
None
Frozen rai
None
None
Snow
None
None
None
None

Precipitation Probability (%)

82
72
56
62
75
70
49
79
95
95
95
95
95
95
95
66
66
49
31
44
40
31
5
2

Precipitation Amount (mm)

0.5
0.4
0.2
0.2
0.4
0.4
0.1
0.5
0.9
1
2.4
1.7
1.3
0.9
0.7
0
0.2
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-3
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1
-0
-0
-1
-2
-3
-3
-3
-3
-3
-3
-4
-4

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-3
-3
-2
-2
-2
-1
-1
-1
-0
-0
-1
-2
-4
-4
-4
-3
-3
-4
-7
-8

Relative Humidity (%)

94
94
94
91
94
94
96
96
98
98
98
96
100
100
98
96
94
94
96
98
98
92
81
78

Pressure (mb)

1011
1010
1010
1009
1008
1008
1007
1007
1006
1005
1004
1004
1002
1001
1001
1001
1001
1002
1003
1004
1005
1008
1010
1012

Ozone (du)

421
417
408
406
401
394
382
370
361
357
354
354
356
349
338
338
340
342
340
337
337
335
335
337

Friday 27

Waxing Gibbous 74%

13:07

04:51

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

Sun - Rise: 06:37, Set: 19:15, Transit: 12:57. Moon - Rise: 13:07, Set: 04:51. Civil Dark: 19:45 - 06:07. Nautical Dark: 20:20 - 05:32. Astro Dark: 20:57 - 04:55

Total Clouds (% Sky Obscured)

7
23
33
40
55
65
70
85
86
60
8
27
46
64
52
40
30
22
14
6
11
16
21
31

Low Clouds (% Sky Obscured)

4
10
14
20
30
35
40
60
75
53
3
17
39
56
50
39
30
22
14
6
7
7
8
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
4
6
8
11
15
13
6
0
0
0
0
1
2
3
3

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 (%)

2
0
1
1
0
0
1
5
4
1
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-10
-10
-11
-11
-10
-10
-11
-12
-14
-14
-15
-15
-16
-16
-17
-17
-17
-17
-17
-17
-16
-15

Relative Humidity (%)

76
76
70
66
62
62
66
69
67
66
67
72
75
76
76
78
78
77
78
79
79
79
81
81

Pressure (mb)

1014
1015
1017
1017
1018
1019
1019
1020
1021
1022
1023
1024
1025
1026
1027
1027
1028
1029
1029
1029
1029
1030
1030
1030

Ozone (du)

349
362
367
376
381
383
388
395
400
399
401
398
398
398
398
398
397
397
403
408
414
419
424
429

Saturday 28

Waxing Gibbous 83%

14:26

05:15

09 OK
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 OK
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 06:36, Set: 19:16, Transit: 12:57. Moon - Rise: 14:26, Set: 05:15. Civil Dark: 19:46 - 06:06. Nautical Dark: 20:22 - 05:30. Astro Dark: 20:59 - 04:52

Total Clouds (% Sky Obscured)

43
54
68
84
100
94
87
78
83
88
94
96
97
100
99
99
98
70
41
13
10
8
5
8

Low Clouds (% Sky Obscured)

34
48
52
44
30
25
24
19
20
33
23
43
60
79
74
69
61
40
22
2
2
4
5
8

Medium Clouds (% Sky Obscured)

3
2
32
63
94
84
75
67
74
80
83
87
89
95
84
72
61
42
24
5
3
2
0
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

8
7
5
6
7
8
8
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
10
15
19
20
19
16
17
14
2
7
10
6
28
36
39
34
27
5
5
3
0
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-15
-15
-15
-14
-12
-11
-12
-11
-10
-9
-12
-12
-12
-11
-11
-11
-10
-10
-10
-10
-11
-12

Dew Point (°C)

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

Relative Humidity (%)

76
72
68
67
67
67
69
70
72
75
79
82
80
82
84
87
89
92
90
87
85
85
85
85

Pressure (mb)

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

Ozone (du)

440
452
463
479
496
512
513
513
513
515
518
520
510
499
488
482
477
471
467
462
458
452
445
439

Sunday 29

Waxing Gibbous 91%

15:42

05:35

09 Good
10 OK
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

Sun - Rise: 06:34, Set: 19:17, Transit: 12:56. Moon - Rise: 15:42, Set: 05:35. Civil Dark: 19:47 - 06:04. Nautical Dark: 20:23 - 05:28. Astro Dark: 21:01 - 04:50

Total Clouds (% Sky Obscured)

14
20
43
64
84
82
80
77
81
86
88
86
83
81
74
66
54

Low Clouds (% Sky Obscured)

14
20
43
62
68
49
28
23
24
24
29
36
42
51
49
48
47

Medium Clouds (% Sky Obscured)

3
4
3
3
4
5
7
8
14
16
21
25
25
20
10
5
5

High Clouds (% Sky Obscured)

3
4
4
4
3
2
1
0
18
48
72
48
23
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
8
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
1
10
14
17
18
18
18
14
10
3
4
3
0
7
8
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
8
8
10
11
11
11
11
10
9
8
8
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
74
70
73
78
81
78
78
77
78
81
84
84
87
87
87
89

Pressure (mb)

1030
1030
1031
1030
1030
1029
1028
1028
1027
1027
1027
1027
1026
1026
1025
1025
1024

Ozone (du)

433
426
419
414
409
403
405
407
409
417
425
433
439
445
451
451
450

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 23/03/26 09:49:06. Forecast: 23/03/26 to 29/03/26. Timezone: UTC-4.00