Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 19

Waxing Crescent 1%

07:22

20:14

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: 06:55, Set: 19:06, Transit: 13:02. Moon - Rise: 07:22, Set: 20:14. Civil Dark: 19:36 - 06:25. Nautical Dark: 20:12 - 05:50. Astro Dark: 20:48 - 05:13

Total Clouds (% Sky Obscured)

93
97
95
100
98
93
95
98
85
99
79
49
66
71
85
94
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
94
91
100
98
88
92
97
70
95
79
49
66
71
75
76
73
73
50
67
97
94
93
95

Medium Clouds (% Sky Obscured)

93
42
36
44
43
17
30
38
33
20
0
0
0
2
28
41
96
97
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
29
71
70
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
8
0
0
9
1
7
9
8
4
2
2
2
2
3
8
1
1
2
3

Fog (%)

0
0
0
0
0
0
0
1
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
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

58
63
84
80
68
60
67
52
27
23
20
4
1
1
0
0
2
0
4
26
43
53
64
62

Precipitation Amount (mm)

0.3
0.4
0.8
0.6
0.4
0.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.2

Wind Speed/Direction (mph)

8
9
9
9
9
8
6
6
8
7
9
9
8
7
4
4
3
2
3
2
1
2
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
91
92
91
89
96
98
87
92
89
89
90
90
92
90
90
90
92
90
87
88
83
84

Pressure (mb)

1019
1018
1017
1016
1016
1015
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1019
1018
1018
1017
1015

Ozone (du)

407
408
411
412
411
412
412
414
419
420
419
417
415
411
407
402
398
397
397
398
398
400
403
404

Friday 20

Waxing Crescent 4%

07:44

21:35

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: 06:53, Set: 19:08, Transit: 13:01. Moon - Rise: 07:44, Set: 21:35. Civil Dark: 19:38 - 06:23. Nautical Dark: 20:13 - 05:48. Astro Dark: 20:50 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
96
95
98
98
98
99
98
91
91
77
75
77
92
75
81
81
93
99
95
79

Low Clouds (% Sky Obscured)

95
95
97
98
95
89
85
85
88
92
85
82
82
74
72
74
92
75
76
73
76
61
55
48

Medium Clouds (% Sky Obscured)

100
100
100
99
50
36
48
93
92
85
95
65
55
4
0
0
0
0
0
0
32
70
70
52

High Clouds (% Sky Obscured)

100
100
88
3
0
0
0
43
0
0
0
0
0
0
0
0
0
0
0
0
2
9
5
8

ISS Passover

Visibility (miles)

0
0
0
0
1
1
2
1
3
0
3
3
3
3
1
1
2
2
1
2
4
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
69
98
100
100
100
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

82
86
76
67
54
32
19
24
29
33
24
21
13
12
5
1
12
0
0
0
0
0
0
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
7
8
7
6
4
2
3
3
3
3
4
4
4
5
5
6
5
5
7
7
7
7

Chance of Frost

Temperature (°C)

-6
-6
-5
-5
-5
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-9
-9
-9
-8
-7
-6
-5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
87
85
90
94
96
96
94
94
94
92
92
90
92
94
92
92
94
90
83
74
72

Pressure (mb)

1014
1012
1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015
1016
1016
1016
1017
1016

Ozone (du)

401
401
406
405
408
411
413
414
416
419
420
423
427
426
429
433
435
434
431
428
426
418
413
412

Saturday 21

Waxing Crescent 10%

08:11

22:58

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: 06:51, Set: 19:09, Transit: 13:01. Moon - Rise: 08:11, Set: 22:58. Civil Dark: 19:39 - 06:21. Nautical Dark: 20:15 - 05:46. Astro Dark: 20:51 - 05:09

Total Clouds (% Sky Obscured)

96
87
100
100
100
100
98
100
99
100
100
100
100
100
100
100
96
94
90
90
92
94
86
76

Low Clouds (% Sky Obscured)

37
40
26
23
49
29
49
72
67
74
80
84
80
54
77
78
83
80
76
74
82
83
79
71

Medium Clouds (% Sky Obscured)

53
68
100
93
100
100
90
100
99
100
97
91
99
96
100
97
37
20
20
5
0
0
10
21

High Clouds (% Sky Obscured)

96
58
100
99
100
70
58
78
2
5
22
67
58
54
55
69
40
45
50
12
29
41
27
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
0
0
1
4
4
1
2
1
1
5
4
8

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 (%)

1
0
0
0
1
1
0
0
0
0
2
20
19
20
6
5
8
7
17
7
16
19
9
24

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
5
4
5
4
4
3
2
2
2
1
2
2
2
2
2
3
2
3
3
4
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-7
-7
-7
-5
-6
-6
-7
-7
-7
-8
-7
-7
-7
-7
-7
-8
-8
-8
-7
-7
-7
-6

Relative Humidity (%)

70
68
67
64
66
79
89
92
92
92
94
94
96
98
98
98
96
96
98
94
89
84
79
79

Pressure (mb)

1016
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1016

Ozone (du)

412
412
408
405
404
406
408
408
408
406
405
402
402
398
396
392
380
374
366
364
362
355
351
350

Sunday 22

Waxing Crescent 18%

08:47

00:22

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: 06:49, Set: 19:10, Transit: 13:01. Moon - Rise: 08:47, Set: 00:22. Civil Dark: 19:41 - 06:19. Nautical Dark: 20:16 - 05:44. Astro Dark: 20:53 - 05:07

Total Clouds (% Sky Obscured)

68
78
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
65
65
76
76
74
22
9
33
91
96
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

29
46
59
76
71
75
97
100
100
100
100
100
100
99
99
99
99
100
100
100
99
98
99
99

High Clouds (% Sky Obscured)

28
55
59
100
97
90
98
100
100
100
100
100
100
68
43
15
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
3
2
4
8
9
9
9
9
4
2
2
1
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

29
25
25
20
7
13
0
3
9
30
76
90
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.9
1.1
1
1.1
0.8
0.9
1.1
0.8
0.9
0.9
0.9
0.9

Wind Speed/Direction (mph)

7
7
7
7
6
6
6
6
8
8
9
10
12
12
13
14
15
15
16
16
16
16
16
15

Chance of Frost

Temperature (°C)

-3
-2
-2
-2
-3
-3
-5
-6
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-7
-7
-6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
78
71
72
79
85
87
87
87
87
83
83
88
88
88
88
88
90
90
88
89
89
89

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1015
1014
1013
1012
1011
1009
1008
1006
1005
1005
1004
1004
1003
1003

Ozone (du)

349
349
346
346
343
340
337
336
333
333
331
326
322
321
322
324
331
334
340
344
348
353
357
362

Monday 23

Waxing Crescent 29%

09:35

01:42

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 OK
10 Good
11 Good
12 Good

Sun - Rise: 06:47, Set: 19:12, Transit: 13:01. Moon - Rise: 09:35, Set: 01:42. Civil Dark: 19:42 - 06:17. Nautical Dark: 20:18 - 05:42. Astro Dark: 20:54 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
78
73
54
28
1
0
0

Low Clouds (% Sky Obscured)

100
98
95
93
94
96
98
95
93
92
65
56
80
89
90
90
86
78
73
54
27
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
85
69
50
33
15
0
0
0

High Clouds (% Sky Obscured)

0
1
51
60
65
60
60
60
65
43
40
9
65
60
70
75
41
21
4
3
2
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
4
9
9
9
9
4
6
7
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

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

Precipitation Probability (%)

95
95
95
95
78
63
53
37
29
28
25
18
17
25
23
20
15
13
10
9
7
3
0
0

Precipitation Amount (mm)

1.1
1
0.8
0.7
0.5
0.3
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
16
16
15
14
13
13
13
13
13
13
13
14
14
14
13
13
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-13
-15
-15
-15
-15
-15
-16
-17
-17
-17
-17
-17
-17
-17
-17
-17
-18
-18
-17
-16
-16
-15

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
88
88
90
88
87
83
80
80
80
83
83
83
85
85
83
81
81
78
74
71
71

Pressure (mb)

1003
1003
1004
1006
1008
1009
1011
1012
1013
1015
1016
1017
1017
1018
1015
1016
1017
1019
1020
1022
1022
1023
1023
1023

Ozone (du)

366
371
374
373
376
379
385
390
397
399
401
402
404
405
407
409
411
416
421
425
422
418
414
408

Tuesday 24

Waxing Crescent 40%

10:36

02:51

13 Good
14 OK
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: 06:45, Set: 19:13, Transit: 13:00. Moon - Rise: 10:36, Set: 02:51. Civil Dark: 19:43 - 06:15. Nautical Dark: 20:19 - 05:39. Astro Dark: 20:56 - 05:02

Total Clouds (% Sky Obscured)

0
33
66
99
98
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
27
54
77
80
84
89
94
100
90
73
59
59
74
80
67
51

Medium Clouds (% Sky Obscured)

0
32
64
92
92
90
99
100
100
100
99
98
97
96
96
95
90
80
50
40
35
40
42
43

High Clouds (% Sky Obscured)

0
2
4
7
29
55
73
74
74
70
70
70
50
45
20
20
10
4
1
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
1
7
12
17
27
36
45
52
53
51
46
39
28
29
29

Precipitation Amount (mm)

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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-4
-3
-3
-3
-4
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-5
-3
-4

Feels Like (°C)

-14
-14
-7
-6
-6
-6
-6
-6
-11
-11
-11
-11
-11
-11
-12
-12
-12
-13
-13
-12
-12
-11
-11
-10

Dew Point (°C)

-9
-8
-8
-8
-7
-7
-7
-7
-7
-8
-8
-8
-9
-9
-9
-8
-8
-8
-8
-8
-8
-7
-6
-6

Relative Humidity (%)

70
70
71
71
72
76
82
90
90
90
92
90
85
84
87
89
92
92
90
92
87
84
81
81

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

403
398
399
401
402
405
407
410
414
419
423
432
440
449
457
465
473
480
488
495
498
502
506
505

Wednesday 25

First Quarter 52%

11:49

03:45

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

Sun - Rise: 06:43, Set: 19:15, Transit: 13:00. Moon - Rise: 11:49, Set: 03:45. Civil Dark: 19:45 - 06:13. Nautical Dark: 20:21 - 05:37. Astro Dark: 20:58 - 05:00

Total Clouds (% Sky Obscured)

100
98
97
95
68
41
17
15
13
16
24
39
49
70
92
100
100
100
100

Low Clouds (% Sky Obscured)

35
34
34
24
24
14
5
14
13
16
24
39
49
65
84
95
95
100
100

Medium Clouds (% Sky Obscured)

28
17
5
0
0
4
4
9
13
15
15
15
15
26
37
48
65
84
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
13
16
24
39
49
67
71
88
92
97
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

29
24
17
8
8
5
0
2
1
0
23
32
39
71
90
95
95
79
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.4
0.6
0.9
0.7
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-9
-10
-11
-10
-10
-10
-10
-15
-16
-15
-16
-15
-16
-20
-19
-18
-18
-17

Dew Point (°C)

-7
-7
-8
-9
-9
-11
-12
-14
-14
-16
-16
-18
-18
-20
-18
-17
-15
-14
-12

Relative Humidity (%)

81
81
79
77
76
75
77
78
81
81
83
81
82
82
81
81
83
81
83

Pressure (mb)

1020
1021
1021
1021
1022
1022
1023
1024
1024
1024
1025
1024
1024
1023
1022
1020
1019
1017
1015

Ozone (du)

504
503
494
486
478
463
449
434
425
415
406
401
397
392
388
385
381
375
369

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.53,-73.70)

Generated: 19/03/26 13:54:57. Forecast: 19/03/26 to 25/03/26. Timezone: UTC-4.00