Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 29%

08:50

01:33

08 Bad
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 Bad
03 OK
04 OK
05 OK
06 Bad
07 Bad

Sun - Rise: 06:45, Set: 19:09, Transit: 12:58. Moon - Rise: 08:50, Set: 01:33. Civil Dark: 19:38 - 06:16. Nautical Dark: 20:13 - 05:41. Astro Dark: 20:49 - 05:05

Total Clouds (% Sky Obscured)

99
96
97
99
99
98
99
98
100
97
100
97
95
94
91
94
87
32
38
30
11
25
38
37

Low Clouds (% Sky Obscured)

93
89
94
87
87
90
89
93
90
90
88
83
69
64
66
73
63
27
22
20
9
24
31
25

Medium Clouds (% Sky Obscured)

0
21
63
80
94
92
95
93
100
89
99
92
91
83
85
87
62
5
8
1
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)

5
9
9
9
9
1
5
5
6
7
9
9
9
9
9
7
9
9
8
7
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
Snow
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
30
29
41
41
43
39
39
28
21
15
13
8
10
6
6
4
5
4
2
3
3

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.1
0.1
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
84
84
83
91
86
86
84
84
81
81
87
91
91
92
92
92
92
94
92
90
90
90

Pressure (mb)

1015
1015
1016
1015
1015
1015
1015
1015
1016
1017
1018
1018
1019
1020
1021
1021
1022
1022
1023
1023
1024
1025
1026
1027

Ozone (du)

338
345
347
353
360
373
380
382
389
395
399
402
408
411
409
409
411
413
416
412
406
403
402
407

Tuesday 24

Waxing Crescent 40%

09:39

02:41

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

Sun - Rise: 06:44, Set: 19:10, Transit: 12:58. Moon - Rise: 09:39, Set: 02:41. Civil Dark: 19:40 - 06:14. Nautical Dark: 20:15 - 05:39. Astro Dark: 20:51 - 05:03

Total Clouds (% Sky Obscured)

34
20
23
67
99
100
100
100
100
100
100
100
100
100
95
93
97
95
88
89
89
95
100
100

Low Clouds (% Sky Obscured)

21
12
16
19
19
20
20
15
9
10
10
15
86
77
75
75
82
77
68
76
79
70
58
35

Medium Clouds (% Sky Obscured)

0
0
0
37
57
100
100
100
100
100
100
100
100
100
88
23
49
25
0
19
40
69
100
100

High Clouds (% Sky Obscured)

0
0
0
0
11
99
100
100
90
90
90
0
0
0
0
0
0
0
0
21
89
90
92
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
9
9
9
5
1
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 (%)

3
1
3
1
5
1
0
0
10
0
0
6
34
37
13
6
18
28
22
19
24
12
5
8

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
8
9
10
10
9
9
8
7
5
7
13
10
9
9
9
10
12
11
11
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
75
72
72
68
64
66
72
77
80
84
77
86
87
79
79
83
86
86
89
69
71
63

Pressure (mb)

1028
1028
1028
1028
1028
1026
1026
1025
1024
1024
1023
1023
1023
1024
1023
1023
1022
1022
1022
1023
1023
1025
1025
1027

Ozone (du)

407
405
413
412
413
417
420
426
434
447
458
467
474
477
485
494
496
495
489
487
486
484
485
483

Wednesday 25

First Quarter 52%

10:41

03:36

08 Bad
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

Sun - Rise: 06:42, Set: 19:12, Transit: 12:58. Moon - Rise: 10:41, Set: 03:36. Civil Dark: 19:41 - 06:12. Nautical Dark: 20:16 - 05:37. Astro Dark: 20:52 - 05:01

Total Clouds (% Sky Obscured)

95
92
96
97
99
95
99
92
100
100
99
99
100
100
100
100
100
100
98
96
95
96
98
99

Low Clouds (% Sky Obscured)

42
71
73
59
73
59
47
43
41
9
20
23
49
51
47
52
18
57
63
68
76
76
80
80

Medium Clouds (% Sky Obscured)

88
78
81
90
97
88
94
76
100
100
96
98
100
100
100
100
100
100
96
93
89
93
95
98

High Clouds (% Sky Obscured)

90
90
80
75
74
60
84
81
100
100
92
70
100
100
100
100
100
35
33
17
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain

Precipitation Probability (%)

6
4
2
0
0
0
0
0
0
1
6
34
45
43
48
63
54
64
72
71
72
84
88
92

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.1
0.2
0.4
0.2
0.4
0.5
0.4
0.4
0.6
0.7
0.8

Wind Speed/Direction (mph)

7
7
7
6
5
4
3
2
2
3
4
4
5
5
4
4
3
3
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-11
-12
-12
-12
-12
-12
-11
-10
-9
-7
-4
-2
-2
-1
-1
-1
-1
0
0
1
1
1

Relative Humidity (%)

59
57
53
49
45
42
40
40
41
42
46
59
80
91
92
94
96
94
96
98
98
98
98
100

Pressure (mb)

1028
1028
1028
1028
1027
1027
1026
1025
1024
1023
1022
1022
1021
1021
1019
1018
1017
1016
1015
1014
1013
1012
1011
1011

Ozone (du)

480
474
469
466
462
458
456
448
438
429
424
420
426
427
428
430
429
425
422
418
413
418
420
417

Thursday 26

Waxing Gibbous 64%

11:53

04:17

08 Bad
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

Sun - Rise: 06:40, Set: 19:13, Transit: 12:57. Moon - Rise: 11:53, Set: 04:17. Civil Dark: 19:42 - 06:10. Nautical Dark: 20:17 - 05:35. Astro Dark: 20:54 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
98
99
99
99
99

Low Clouds (% Sky Obscured)

84
92
98
97
97
96
96
97
98
99
100
100
100
100
100
100
99
98
97
97
97
97
96
96

Medium Clouds (% Sky Obscured)

98
99
100
75
86
100
63
68
100
100
100
100
99
98
97
96
95
94
94
56
55
58
52
45

High Clouds (% Sky Obscured)

0
0
5
32
67
95
100
98
100
99
98
97
98
99
100
68
40
5
5
0
0
0
0
0

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
1
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

Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Snow

Precipitation Probability (%)

75
67
51
49
47
55
45
37
40
78
95
95
95
95
95
95
95
88
74
51
35
34
51
40

Precipitation Amount (mm)

0.4
0.3
0
0
0
0.2
0
0
0
0.3
1.2
3.6
2.6
3.1
2.8
3.3
1.2
0.5
0.6
0
0
0
0
0.1

Wind Speed/Direction (mph)

5
5
5
4
3
2
2
3
4
4
4
3
2
3
3
6
8
9
9
10
10
11
13
14

Chance of Frost

Temperature (°C)

2
2
2
3
3
3
3
3
3
3
3
3
2
2
2
3
3
3
3
2
-1
-1
1
-1

Feels Like (°C)

-2
-2
-2
-2
-1
0
0
0
-0
-1
-1
-1
-1
-2
-1
-1
-1
-2
-1
-3
-5
-5
-5
-8

Dew Point (°C)

2
2
2
3
3
3
3
3
3
3
3
2
2
2
2
3
3
3
3
1
-1
-1
-1
-2

Relative Humidity (%)

100
100
100
100
98
100
100
100
100
100
100
98
100
100
100
98
100
100
100
98
98
98
92
91

Pressure (mb)

1010
1010
1009
1009
1008
1008
1008
1007
1006
1005
1004
1004
1003
1002
1001
1000
1000
1000
1001
1002
1004
1005
1007
1009

Ozone (du)

416
417
413
410
395
391
381
365
356
351
346
343
336
331
330
327
323
319
317
315
316
316
318
319

Friday 27

Waxing Gibbous 74%

13:11

04:49

08 Bad
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 OK

Sun - Rise: 06:38, Set: 19:14, Transit: 12:57. Moon - Rise: 13:11, Set: 04:49. Civil Dark: 19:44 - 06:08. Nautical Dark: 20:19 - 05:33. Astro Dark: 20:55 - 04:57

Total Clouds (% Sky Obscured)

96
92
88
87
90
92
92
92
93
98
99
100
92
84
76
79
84
88
92
95
95
78
58
40

Low Clouds (% Sky Obscured)

87
74
62
49
36
27
37
50
63
80
93
100
92
84
76
79
84
88
90
91
92
73
58
40

Medium Clouds (% Sky Obscured)

30
15
0
0
0
0
0
0
0
9
23
35
45
53
60
33
13
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)

5
8
9
8
5
3
8
9
9
8
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 (%)

22
27
8
11
20
15
5
7
18
16
7
10
11
10
9
8
7
3
6
6
4
5
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-9
-10
-9
-9
-10
-10
-11
-12
-12
-13
-14
-14
-14
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16

Dew Point (°C)

-5
-6
-7
-8
-8
-8
-10
-10
-11
-10
-11
-12
-13
-14
-14
-15
-16
-17
-17
-17
-17
-17
-17
-17

Relative Humidity (%)

79
76
69
67
67
67
59
58
59
62
63
63
63
62
60
59
57
56
55
56
57
58
57
57

Pressure (mb)

1012
1013
1015
1016
1017
1018
1019
1020
1020
1021
1022
1023
1024
1025
1026
1027
1027
1028
1029
1029
1029
1029
1030
1030

Ozone (du)

320
321
326
335
341
348
353
357
356
361
366
368
373
376
379
382
387
391
396
397
398
399
402
405

Saturday 28

Waxing Gibbous 83%

14:28

05:13

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

Sun - Rise: 06:36, Set: 19:15, Transit: 12:57. Moon - Rise: 14:28, Set: 05:13. Civil Dark: 19:45 - 06:06. Nautical Dark: 20:20 - 05:31. Astro Dark: 20:57 - 04:54

Total Clouds (% Sky Obscured)

43
46
47
66
84
100
100
100
100
100
100
100
99
99
99
100
100
100
90
80
70
49
28
7

Low Clouds (% Sky Obscured)

43
46
47
56
41
26
17
9
0
15
24
29
42
55
68
69
76
82
58
33
9
6
3
1

Medium Clouds (% Sky Obscured)

0
0
0
25
51
76
79
81
84
90
96
100
99
98
97
90
82
71
48
25
3
2
3
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
8
7
5
2
0
3
6
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
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

2
2
0
3
4
3
7
6
2
7
6
2
17
21
17
37
46
51
49
45
37
27
16
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
1
3
3
4
4
4
4
4
4
4
5
5
5
6
7
8
9
8
8
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-15
-14
-13
-13
-13
-13
-10
-10
-10
-9
-9
-9
-10
-9
-8
-9
-9
-9
-9
-9
-9
-9
-9

Dew Point (°C)

-17
-18
-17
-17
-17
-16
-15
-14
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-5
-7
-8
-8
-9

Relative Humidity (%)

56
52
49
46
44
44
44
43
43
43
48
55
61
65
69
73
79
87
94
90
85
82
80
80

Pressure (mb)

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

Ozone (du)

408
417
426
435
449
463
477
487
496
506
503
501
498
497
497
496
489
481
473
467
462
456
450
445

Sunday 29

Waxing Gibbous 91%

15:43

05:33

08 Good
09 Good
10 Good
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:34, Set: 19:17, Transit: 12:56. Moon - Rise: 15:43, Set: 05:33. Civil Dark: 19:46 - 06:04. Nautical Dark: 20:22 - 05:29. Astro Dark: 20:58 - 04:52

Total Clouds (% Sky Obscured)

8
9
11
23
33
44
65
82
99
84
68
54
51
47
42
61
80
99

Low Clouds (% Sky Obscured)

8
9
11
18
14
10
15
12
0
17
20
23
25
21
19
41
63
86

Medium Clouds (% Sky Obscured)

1
2
2
2
2
2
2
1
0
7
13
22
24
26
28
24
20
8

High Clouds (% Sky Obscured)

0
1
2
2
3
3
2
1
0
8
19
29
18
9
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

Fog (%)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-5
-3
-2
-1
0
1
2
2
2
1
-1
-2
-2
-3
-3
-3
-3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
69
59
50
49
48
47
49
51
53
57
63
68
71
73
76
76
76

Pressure (mb)

1031
1031
1031
1032
1031
1030
1030
1029
1029
1028
1028
1028
1028
1027
1027
1026
1026
1025

Ozone (du)

439
432
425
418
413
409
405
410
414
419
424
429
434
441
449
456
456
455

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 23/03/26 08:46:33. Forecast: 23/03/26 to 29/03/26. Timezone: UTC-4.00