Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 29

Waxing Gibbous 91%

16:55

05:35

17 OK
18 OK
19 OK
20 OK
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: 06:34, Set: 19:17, Transit: 12:56. Moon - Rise: 16:55, 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)

36
46
42
28
100
100
100
100
100
100
100
100
100
100
100
70
86
85
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
18
28
28
2
0
1
35
25
30
30
81
30
30
20
18
5
1
2
30
20
14
15
14

Medium Clouds (% Sky Obscured)

36
34
33
28
100
100
100
100
100
100
100
100
100
100
100
67
18
42
67
80
94
98
100
100

High Clouds (% Sky Obscured)

3
3
4
28
100
100
100
100
100
100
95
35
3
0
3
40
70
51
73
96
100
99
100
100

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 (%)

1
0
0
0
0
0
0
0
0
0
4
14
16
6
0
0
0
2
2
2
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)

10
9
6
4
7
7
8
8
8
8
8
8
7
5
7
8
10
12
14
16
14
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-2
-4
-4
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-3
-3
-2
0
0
3
4
6
6

Dew Point (°C)

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

Relative Humidity (%)

58
69
78
78
77
81
83
83
81
80
81
83
84
84
83
81
76
73
71
66
70
68
73
82

Pressure (mb)

1024
1024
1023
1023
1023
1022
1022
1021
1020
1019
1019
1018
1017
1016
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011

Ozone (du)

429
424
419
416
414
413
413
412
411
409
409
406
407
407
414
414
411
410
408
403
402
402
400
398

Monday 30

Waxing Gibbous 96%

16:55

05:52

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: 06:32, Set: 19:19, Transit: 12:56. Moon - Rise: 16:55, Set: 05:52. Civil Dark: 19:49 - 06:02. Nautical Dark: 20:25 - 05:25. Astro Dark: 21:02 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
93
95
99
97
95
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
15
10
12
11
20
23
75
75
56
61
64
59
90
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
86
87
67
88
81
86
100
100
90
99
98
84
94
90
90
84
97

High Clouds (% Sky Obscured)

100
100
100
100
77
98
85
100
60
78
71
66
66
72
65
70
87
92
91
91
95
95
97
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
Sleet
None
Very Light Rain
None
None
Light Rain
None
None
Light Rain

Precipitation Probability (%)

1
4
12
11
15
20
12
41
58
53
29
22
4
4
13
42
46
60
28
50
69
64
65
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0.2
0
0.3
0
0
0.4
0
0
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
91
93
90
86
86
86
85
86
85
83
83
83
83
76
80
71
70
69
64
69
73
83

Pressure (mb)

1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1018
1018
1017
1016
1016
1015
1014

Ozone (du)

397
396
396
395
395
395
393
392
391
391
389
387
386
386
383
382
381
381
381
377
373
371
368
365

Tuesday 31

Waxing Gibbous 99%

18:06

06:08

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 OK
16 Bad

Sun - Rise: 06:30, Set: 19:20, Transit: 12:56. Moon - Rise: 18:06, Set: 06:08. Civil Dark: 19:50 - 06:00. Nautical Dark: 20:26 - 05:23. Astro Dark: 21:04 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
57
56
46
46
55
45
45
45
50

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
57
56
46
46
55
40
40
45
45

Medium Clouds (% Sky Obscured)

77
82
88
99
100
95
86
90
86
42
51
3
50
44
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
84
75
47
26
77
75
80
11
11
46
39
55
45
45
45
50

ISS Passover

Visibility (miles)

4
5
2
1
8
4
8
5
1
0
0
2
9
9
9
9
9
9
9
8
0
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Frozen rai
None
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
83
95
95
95
95
78
95
95
95
50
39
13
33
32
19
3
12
0
0
3
0
1
15

Precipitation Amount (mm)

0.7
0.4
1.6
0.6
1.4
3.5
0
3.3
0.9
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
92
94
92
96
98
100
100
100
100
98
98
96
94
94
94
94
94
98
98
93
85
80

Pressure (mb)

1013
1011
1010
1009
1008
1007
1006
1005
1005
1005
1006
1006
1007
1009
1011
1013
1014
1016
1017
1018
1019
1020
1021
1022

Ozone (du)

368
366
364
364
366
366
365
364
363
362
361
361
364
366
366
364
364
365
365
367
370
370
370
367

Wednesday 1

Full Moon 100%

19:15

06:25

17 Bad
18 OK
19 Bad
20 OK
21 OK
22 OK
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: 06:28, Set: 19:21, Transit: 12:55. Moon - Rise: 19:15, Set: 06:25. Civil Dark: 19:51 - 05:58. Nautical Dark: 20:28 - 05:21. Astro Dark: 21:06 - 04:43

Total Clouds (% Sky Obscured)

50
48
50
35
38
23
51
74
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
32
2
2
4
1
1
3
2
2
3
10
38
65
75
78
85
91
94
96
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
16
31
96
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

50
48
50
26
23
6
28
52
77
85
93
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
1
1
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
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
34
70
85
90
88
92
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.8
0.7
0.6
0.9
1.3
2.2
2.4
2.2

Wind Speed/Direction (mph)

7
6
4
4
4
4
4
5
5
6
7
9
10
10
10
10
11
11
12
11
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
83
83
83
81
83
83
84
84
84
83
81
83
87
91
91
89
91
91
96
96
96
96

Pressure (mb)

1023
1025
1026
1028
1028
1029
1030
1030
1031
1032
1032
1032
1033
1033
1034
1034
1034
1034
1034
1034
1034
1033
1033
1032

Ozone (du)

365
362
360
360
362
363
362
359
357
353
351
353
352
350
349
348
346
346
345
344
343
345
344
343

Thursday 2

Waning Gibbous 99%

20:24

06:43

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: 06:26, Set: 19:23, Transit: 12:55. Moon - Rise: 20:24, Set: 06:43. Civil Dark: 19:53 - 05:56. Nautical Dark: 20:29 - 05:19. Astro Dark: 21:07 - 04:41

Total Clouds (% Sky Obscured)

100
100
100
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)

100
100
99
95
91
88
92
96
100
100
100
100
99
99
98
98
99
99
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
85
77
70
64
56

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
90
83
77
60

ISS Passover

Visibility (miles)

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
84
62

Precipitation Amount (mm)

2.3
1.9
2.2
3.3
4
3.7
4
5
3.1
2.6
2.2
2.7
2.4
2.3
2.7
3
2.1
1.3
1.6
1.3
1
0.7
0.5
0.3

Wind Speed/Direction (mph)

13
13
13
14
14
14
14
14
14
14
14
14
14
13
12
10
8
8
7
7
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
94
96
96
96
96
96
96
96
96
96
94
96
96
96
96
94
94
94
94
94
94
94

Pressure (mb)

1031
1031
1031
1030
1030
1029
1028
1027
1026
1025
1024
1023
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

343
343
342
341
340
340
340
341
340
340
342
343
345
349
350
354
357
361
364
365
366
367
368
368

Friday 3

Waning Gibbous 95%

21:34

07:04

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: 06:24, Set: 19:24, Transit: 12:55. Moon - Rise: 21:34, Set: 07:04. Civil Dark: 19:54 - 05:54. Nautical Dark: 20:31 - 05:17. Astro Dark: 21:09 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
97
94
92
87
81
67
75
87
98
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
97
94
92
82
59
34
50
71
92
95
98
100
100
100
100
93
86
77
68
63
53

Medium Clouds (% Sky Obscured)

55
54
52
41
26
9
13
18
23
29
36
34
19
8
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

34
18
2
1
1
0
0
0
0
2
2
3
12
20
36
58
80
95
95
94
90
82
72
62

ISS Passover

Visibility (miles)

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

Ice pellet
Ice pellet
Ice pellet
None
None
Ice pellet
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
59
58
55
54
55
45
36
25
20
16
14
18
20
20
19
18
15
13
11
9
7
6
2

Precipitation Amount (mm)

0.3
0.2
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
0
0
1
1
1
-0
-1
0
0
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
94
94
94
94
94
94
94
94
94
92
94
94
94
94
94
94
94
96
98
98
100
100

Pressure (mb)

1019
1020
1020
1020
1020
1021
1021
1022
1023
1023
1024
1025
1025
1026
1027
1027
1028
1028
1028
1028
1027
1027
1026
1024

Ozone (du)

368
371
373
376
374
371
369
364
359
354
354
354
354
355
356
357
356
356
356
357
358
359
359
359

Saturday 4

Waning Gibbous 90%

22:43

07:29

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: 06:22, Set: 19:25, Transit: 12:54. Moon - Rise: 22:43, Set: 07:29. Civil Dark: 19:56 - 05:52. Nautical Dark: 20:32 - 05:15. Astro Dark: 21:11 - 04:36

Total Clouds (% Sky Obscured)

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)

53
65
77
84
88
91
91
91
91
93
96
99
98
97
96
95
94
93
94
96
97

Medium Clouds (% Sky Obscured)

1
2
3
35
69
100
100
100
100
100
100
100
100
100
100
99
98
96
67
35
5

High Clouds (% Sky Obscured)

74
84
91
91
89
90
91
96
100
100
100
100
97
92
87
92
96
100
97
89
82

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

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
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
35
52
95
95
95
95
95
95
95
95
95
95
95
95
95
82
71
85
95
95

Precipitation Amount (mm)

0
0
0
0.9
1.7
2.6
2.5
2.7
3.3
3.2
3
2.9
2.3
1.6
1
0.7
0.5
0.3
0.5
0.7
0.6

Wind Speed/Direction (mph)

11
11
11
11
10
9
9
9
9
9
10
11
12
12
12
12
14
15
17
17
17

Chance of Frost

Temperature (°C)

2
2
2
2
2
3
3
3
4
5
4
4
4
4
4
4
4
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
3
3
3
4
5
4
4
4
4
3
4
4
3
3
3
4

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
98
100

Pressure (mb)

1023
1022
1021
1020
1019
1018
1016
1015
1013
1012
1011
1009
1008
1008
1007
1006
1006
1006
1006
1005
1005

Ozone (du)

359
359
359
359
358
358
357
356
356
355
357
359
362
363
365
367
372
377
381
387
393

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

Generated: 29/03/26 17:51:14. Forecast: 29/03/26 to 04/04/26. Timezone: UTC-4.00