Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 10

Waning Gibbous 50%

03:04

10:53

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:12, Set: 18:54, Transit: 13:04. Moon - Rise: 03:04, Set: 10:53. Civil Dark: 19:23 - 06:43. Nautical Dark: 19:58 - 06:08. Astro Dark: 20:32 - 05:33

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

85
79
50
73
54
42
50
74
86
98
100
100
100
89
87
80
84
84
87
86
95
93
90
91

Medium Clouds (% Sky Obscured)

56
69
65
60
62
63
55
55
65
57
75
70
71
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

3
1
1
0
1
3
2
4
4
9
69
100
100
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
7
3
4
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

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

Precipitation Probability (%)

5
0
0
2
13
14
5
8
12
5
2
31
38
49
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
1.1
1.2
1
0.6
1.5
3
2.2
1.5
1.8
3.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
60
60
59
60
63
65
69
66
62
61
60
63
70
80
87
89
89
91
92
94
94
94

Pressure (mb)

1016
1017
1018
1019
1021
1021
1022
1022
1022
1022
1021
1021
1020
1018
1016
1015
1014
1013
1013
1011
1009
1007
1005
1003

Ozone (du)

317
318
316
319
327
333
337
341
345
343
344
347
350
349
347
344
345
343
341
338
335
339
336
336

Wednesday 11

Third Quarter 40%

03:56

11:47

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:10, Set: 18:55, Transit: 13:03. Moon - Rise: 03:56, Set: 11:47. Civil Dark: 19:25 - 06:41. Nautical Dark: 19:59 - 06:06. Astro Dark: 20:34 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
91
42
82
69
74
100
100
63

Low Clouds (% Sky Obscured)

91
94
93
87
88
91
96
100
100
100
95
100
100
100
83
84
74
42
47
43
25
20
36
31

Medium Clouds (% Sky Obscured)

100
100
100
100
100
96
100
100
94
84
36
50
55
50
55
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
91
40
30
35
35
30
60
100
100
94
20
8
82
69
74
100
100
63

ISS Passover

Visibility (miles)

1
0
0
1
0
0
0
0
0
0
0
0
4
9
9
4
7
9
9
9
4
4
3
3

Fog (%)

14
80
0
0
1
13
14
88
88
73
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
None
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
64
73
63
83
43
5
7
14
12
6
7
9
14
15
4
17

Precipitation Amount (mm)

1.6
2.9
2.3
1.3
0.9
0.6
2.2
0.6
0
0.4
0.3
0.7
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
7
7
10
9
5
4
4
2
4
14
20
21
21
20
18
19
19
18
19
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
100
100
100
100
100
100
100
100
100
100
96
93
83
77
75
76
66
64
64
63
63
63
65

Pressure (mb)

1002
1000
999
998
996
995
994
993
993
993
992
993
995
997
999
1001
1003
1004
1005
1005
1006
1007
1007
1008

Ozone (du)

336
328
327
325
326
324
320
321
321
318
319
320
320
325
330
334
338
339
338
341
345
352
352
357

Thursday 12

Waning Crescent 30%

04:39

12:50

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

Sun - Rise: 07:08, Set: 18:56, Transit: 13:03. Moon - Rise: 04:39, Set: 12:50. Civil Dark: 19:26 - 06:39. Nautical Dark: 20:00 - 06:04. Astro Dark: 20:35 - 05:29

Total Clouds (% Sky Obscured)

58
65
56
65
74
76
69
40
37
78
73
71
60
39
39
56
94
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
9
13
7
1
1
1
0
1
0
1
0
22
33
33
56
62
79
63
26
47
62
82
100

Medium Clouds (% Sky Obscured)

4
18
55
56
50
60
69
40
32
77
73
71
50
6
2
0
0
50
61
97
100
100
100
100

High Clouds (% Sky Obscured)

58
65
0
0
0
0
0
0
0
0
0
0
0
0
0
0
49
80
100
100
100
78
53
25

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
Snow
Snow

Precipitation Probability (%)

12
0
1
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
42
52

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
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
63
63
64
66
68
65
64
64
64
64
64
64
62
61
58
54
52
52
49
48
47
48

Pressure (mb)

1009
1009
1010
1011
1012
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1017
1016
1015
1014
1013
1011

Ozone (du)

358
364
376
386
395
405
416
428
427
425
425
430
439
444
443
443
443
447
449
447
448
449
452
456

Friday 13

Waning Crescent 21%

05:14

13:59

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:06, Set: 18:58, Transit: 13:03. Moon - Rise: 05:14, Set: 13:59. Civil Dark: 19:27 - 06:37. Nautical Dark: 20:02 - 06:02. Astro Dark: 20:37 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
98
98
98
98
98
99
99
100
94
85
75
72
66
65

Low Clouds (% Sky Obscured)

89
79
70
75
80
88
84
84
81
86
90
96
95
96
96
96
96
95
93
85
75
72
66
65

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
97
97
97
97
96
96
98
99
100
53
29
21
34
34
25

High Clouds (% Sky Obscured)

25
20
17
14
1
5
5
5
5
0
0
5
5
5
10
15
20
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

63
65
63
56
53
61
80
91
95
95
95
95
95
95
83
67
54
46
42
50
41
42
42
44

Precipitation Amount (mm)

0.3
0.2
0.2
0.1
0.1
0.3
0.6
0.7
1.1
1
1
1.1
1
0.9
0.5
0.3
0.2
0.1
0.1
0.2
0
0
0
0.2

Wind Speed/Direction (mph)

9
10
11
12
12
13
15
14
14
13
12
12
13
12
13
12
13
14
15
14
14
14
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
67
74
72
80
86
89
92
92
94
94
96
94
94
94
91
92
91
91
91
91
86
87
89

Pressure (mb)

1010
1009
1008
1007
1006
1005
1004
1003
1002
1002
1002
1002
1002
1003
1003
1004
1006
1007
1008
1010
1012
1013
1014
1016

Ozone (du)

456
459
461
464
464
460
460
459
462
470
473
471
474
483
487
487
483
491
494
491
496
501
499
498

Saturday 14

Waning Crescent 13%

05:42

15:11

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:04, Set: 18:59, Transit: 13:02. Moon - Rise: 05:42, Set: 15:11. Civil Dark: 19:29 - 06:35. Nautical Dark: 20:03 - 06:00. Astro Dark: 20:38 - 05:25

Total Clouds (% Sky Obscured)

53
48
40
38
45
55
65
73
92
89
96
88
100
99
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
40
15
5
0
5
9
20
30
32
31
49
56
46
42
52
62
79
86
93
100
86
80
70

Medium Clouds (% Sky Obscured)

1
2
15
1
0
0
12
20
27
27
27
43
94
91
94
94
95
97
98
99
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
6
30
73
78
77
57
35
43
76
90
100
100
100
99
98
93

ISS Passover

Visibility (miles)

0
0
0
0
0
0
4
4
4
4
3
3
3
3
3
9
9
9
9
7
4
1
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

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

Precipitation Probability (%)

45
45
47
43
32
7
1
14
0
0
0
0
0
0
0
0
1
1
32
47
60
79
95
95

Precipitation Amount (mm)

0.2
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
94
98
98
96
96
96
96
94
92
94
94
94
94
94
92
92
91
89
91
91
89
92
96

Pressure (mb)

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

Ozone (du)

499
499
501
502
497
487
474
457
443
438
429
422
420
417
415
413
410
406
402
399
396
392
391
390

Sunday 15

Waning Crescent 7%

06:06

16:25

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:02, Set: 19:00, Transit: 13:02. Moon - Rise: 06:06, Set: 16:25. Civil Dark: 19:30 - 06:33. Nautical Dark: 20:04 - 05:59. Astro Dark: 20:40 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
95
91
87
83
80
78
79
80
80
88
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

65
30
0
11
23
34
38
43
50
47
46
45
41
37
35
37
42
46
64
82
100
81
61
42

Medium Clouds (% Sky Obscured)

100
100
100
98
95
93
85
80
79
77
77
72
63
55
46
59
76
95
93
88
82
88
94
100

High Clouds (% Sky Obscured)

89
90
91
93
93
92
93
91
87
83
80
76
56
31
20
43
72
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
1
1
4
7
9
9
9
9
9
9
9
6
3
0
3
6
9
8
7
7
7
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

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

Precipitation Probability (%)

95
95
95
88
63
21
21
16
1
8
10
7
33
46
53
49
43
32
75
95
95
95
95
65

Precipitation Amount (mm)

1
1
0.9
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1
1.1
0.8
0.2

Wind Speed/Direction (mph)

9
9
9
10
10
11
12
12
13
13
14
15
17
16
16
16
17
18
19
15
16
21
20
19

Chance of Frost

Temperature (°C)

0
1
1
1
2
2
2
3
3
4
4
5
6
7
7
8
9
10
11
8
6
4
3
2

Feels Like (°C)

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

Dew Point (°C)

0
0
1
0
1
0
0
1
2
3
3
4
5
6
7
7
8
9
10
7
4
2
-1
-4

Relative Humidity (%)

98
96
96
93
91
88
85
88
91
93
93
94
94
96
96
98
95
93
91
88
86
85
76
68

Pressure (mb)

1017
1015
1014
1013
1011
1009
1008
1006
1004
1002
1000
999
997
995
994
992
990
989
988
989
990
992
993
994

Ozone (du)

389
388
388
387
384
382
379
377
374
372
370
369
368
368
367
367
366
365
365
363
362
360
363
367

Monday 16

Waning Crescent 2%

06:26

No Set

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
13 Bad

Sun - Rise: 07:01, Set: 19:02, Transit: 13:02. Moon - Rise: 06:26, Set: No Set. Civil Dark: 19:31 - 06:31. Nautical Dark: 20:06 - 05:57. Astro Dark: 20:41 - 05:21

Total Clouds (% Sky Obscured)

99
98
92
89
86
92
89
92
93
87
79
72
81
89
95
92
88
87
94
98
99

Low Clouds (% Sky Obscured)

51
60
70
68
66
64
64
64
64
68
72
72
76
79
83
79
69
59
54
54
45

Medium Clouds (% Sky Obscured)

76
52
27
45
63
84
57
28
0
0
1
1
1
2
2
8
14
17
13
13
7

High Clouds (% Sky Obscured)

90
80
70
67
56
54
51
39
27
22
11
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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

48
32
6
13
13
14
15
13
6
9
8
2
3
3
0
1
1
0
5
8
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
0
-1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-10
-11
-11
-11
-10
-9
-9
-8

Feels Like (°C)

-6
-7
-7
-7
-10
-9
-9
-9
-10
-10
-13
-14
-14
-15
-15
-15
-18
-17
-17
-17
-16

Dew Point (°C)

-6
-6
-7
-7
-8
-9
-11
-12
-13
-14
-15
-17
-18
-18
-19
-19
-19
-19
-18
-18
-17

Relative Humidity (%)

61
63
63
64
62
60
58
58
56
56
55
53
52
51
50
51
49
48
47
47
46

Pressure (mb)

995
996
997
998
999
1000
1001
1002
1003
1004
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014

Ozone (du)

370
373
376
379
384
388
392
401
411
420
431
442
453
461
468
475
475
475
475
476
477

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

Generated: 10/03/26 17:32:58. Forecast: 10/03/26 to 16/03/26. Timezone: UTC-4.00