Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 30

Waxing Gibbous 96%

16:55

05:52

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
09 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)

91
91
97
100
100
100
100
100
100
100
100
100
100
100
100
90
90
86
94
97
99
100
88
93

Low Clouds (% Sky Obscured)

2
3
1
1
9
6
26
27
30
21
30
30
30
47
38
30
30
30
30
29
76
72
79
89

Medium Clouds (% Sky Obscured)

20
54
77
90
98
100
100
100
100
100
100
100
100
99
100
90
90
86
88
94
98
100
88
93

High Clouds (% Sky Obscured)

74
91
97
73
100
100
100
100
100
100
100
100
100
100
100
60
44
45
59
84
76
100
42
29

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
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
None
None
None
None
None
None
None
Snow
Snow
Snow

Precipitation Probability (%)

1
0
0
1
1
0
0
0
4
2
3
4
3
4
21
23
23
10
6
5
59
95
95
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.8
1.4
0.4

Wind Speed/Direction (mph)

1
5
7
8
14
13
10
8
8
7
6
4
3
3
4
5
6
7
7
8
9
11
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
68
65
62
63
67
72
81
85
85
88
88
88
85
86
86
88
86
83
83
80
84
96
96

Pressure (mb)

1013
1012
1011
1011
1010
1010
1011
1011
1012
1013
1014
1015
1015
1016
1016
1017
1018
1018
1018
1018
1017
1018
1019
1018

Ozone (du)

412
410
407
405
404
403
398
394
391
390
390
390
387
388
385
383
382
383
382
380
381
377
377
377

Tuesday 31

Waxing Gibbous 99%

18:06

06:08

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
09 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)

98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
96

Low Clouds (% Sky Obscured)

96
96
82
98
100
100
100
100
100
100
96
92
93
100
100
100
99
100
99
100
100
100
99
96

Medium Clouds (% Sky Obscured)

52
55
41
50
50
52
96
100
73
98
100
100
100
65
24
31
51
76
57
39
51
0
0
0

High Clouds (% Sky Obscured)

55
67
46
100
100
67
68
87
100
100
100
100
100
97
70
100
75
86
92
97
90
37
13
12

ISS Passover

Visibility (miles)

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

Snow
None
Snow
None
None
None
None
Ice pellet
Ice pellet
Light Rain
Frozen rai
Frozen rai
Frozen rai
Frozen rai
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
20
40
20
42
33
26
65
68
95
95
95
95
87
37
19
17
31
14
13
7
14
6
3

Precipitation Amount (mm)

0.2
0
0.1
0
0
0
0
0.4
0.3
1.4
2.1
3.8
1.2
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
14
14
14
14
13
12
13
15
15
13
14
13
13
11
11
10
8
8
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
93
96
94
94
89
91
94
96
98
96
94
94
94
92
94
91
92
91
91
91
91
91

Pressure (mb)

1018
1018
1017
1017
1016
1015
1015
1014
1013
1012
1011
1011
1011
1010
1011
1011
1011
1012
1012
1013
1015
1016
1018
1019

Ozone (du)

377
373
373
373
371
369
367
368
368
367
364
365
365
364
367
366
363
362
363
364
367
368
368
370

Wednesday 1

Full Moon 100%

19:15

06:25

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

Sun - Rise: 06:28, Set: 19:21, Transit: 12:56. 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)

78
62
61
100
100
100
100
100
100
100
39
100
100
29
20
20
40
51
77
61
75
88
85
82

Low Clouds (% Sky Obscured)

64
31
23
24
13
8
10
14
24
25
25
25
24
17
12
1
1
30
40
34
42
40
40
45

Medium Clouds (% Sky Obscured)

0
0
1
9
86
80
61
6
21
22
0
0
2
29
20
20
40
51
77
61
73
44
31
21

High Clouds (% Sky Obscured)

78
62
61
100
100
100
100
100
100
100
39
100
100
29
20
20
40
51
70
61
68
85
85
82

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
2
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

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 (%)

1
4
14
1
0
1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
14
22
41
55

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
98
98
96
94
94
94
96
96
94
93
93
91
91
92
92
92
92
92
94
92
92
92
92

Pressure (mb)

1021
1022
1022
1023
1024
1024
1025
1025
1026
1027
1028
1029
1029
1030
1030
1030
1031
1031
1032
1032
1032
1033
1033
1033

Ozone (du)

368
366
366
364
363
362
362
362
361
357
355
356
356
354
354
352
352
352
353
352
350
352
352
351

Thursday 2

Waning Gibbous 99%

20:24

06:43

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
09 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)

81
87
94
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)

45
45
40
40
36
32
28
37
50
58
75
88
98
99
99
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

15
20
30
35
57
82
100
100
100
100
100
100
74
49
48
52
52
90
100
100
100
100
99
99

High Clouds (% Sky Obscured)

81
87
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
1
2
5
1
0
1
5
8
6
1
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

Snow
Snow
Snow
Snow
Snow
Ice pellet
Ice pellet
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
91
95
95
95
95
95
95
95
95
95
88
87
93
95
95
95
95
95

Precipitation Amount (mm)

1
1.2
1.9
1.8
1.3
0.7
0.5
2.3
2.2
2.4
2.2
1
0.8
0.8
0.7
0.7
0.6
0.6
0.6
0.7
1.4
1.5
1.6
2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-1
1
1
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

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

Pressure (mb)

1033
1033
1032
1032
1032
1031
1030
1029
1029
1028
1028
1028
1028
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1018

Ozone (du)

351
350
347
346
345
343
343
341
340
341
340
340
340
340
339
339
337
336
335
335
337
339
341
342

Friday 3

Waning Gibbous 95%

21:34

07:04

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
09 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
100
97
95
92
92
92
93
95
95
98
98
99
99
100
100
100
99
99
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
97
93
90
89
89
90
90
91
94
96
97
95
70
76
84
96
93
94
85
78

Medium Clouds (% Sky Obscured)

98
95
92
89
64
43
18
20
25
45
42
60
0
4
7
11
12
11
11
21
33
43
52
57

High Clouds (% Sky Obscured)

100
100
100
100
72
43
25
9
25
11
0
0
2
29
30
24
42
48
50
57
66
76
72
72

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
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

Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Sleet
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
91
61
79
27
18
7
4
3
1
0
1
2
1
2
2

Precipitation Amount (mm)

2.7
1.2
0.9
1.4
1.3
0.8
0.9
1.6
1.3
0.7
0.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
98
100
100
100
100
98
100
98
96
96
94
91
89
89
89
89
92

Pressure (mb)

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

Ozone (du)

343
345
348
347
347
350
354
353
355
353
355
355
354
352
351
347
348
348
349
349
352
354
357
358

Saturday 4

Waning Gibbous 90%

22:43

07:29

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
09 Bad

Sun - Rise: 06:22, Set: 19:25, Transit: 12:55. 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
100
100
100

Low Clouds (% Sky Obscured)

66
73
86
100
100
100
100
100
100
100
97
94
92
91
91
90
92
96
97
96
95
94
90
82

Medium Clouds (% Sky Obscured)

62
73
79
85
84
86
88
88
88
88
90
92
93
93
94
94
87
80
74
82
91
100
100
100

High Clouds (% Sky Obscured)

71
84
82
83
82
87
92
94
93
55
70
79
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
6
3
0
0
0
0
3
6
9
6
4
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
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
22
28
32
38
33
22
31
38
39
40
44
49
66
86
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
0.9
1.3
1.6
1.9
2
1.7
1.2
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
100
100
100
100
100
100
100
98
98
100
98
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1025
1025
1025
1024
1023
1022
1021
1020
1018
1017
1016
1015
1014
1012
1011
1009
1008
1007
1006
1005
1005
1004
1004
1004

Ozone (du)

358
358
357
355
354
352
351
349
348
347
347
349
351
353
352
351
351
350
350
350
350
351
351
354

Sunday 5

Waning Gibbous 84%

23:50

08:01

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 OK
06 OK
07 OK

Sun - Rise: 06:20, Set: 19:27, Transit: 12:54. Moon - Rise: 23:50, Set: 08:01. Civil Dark: 19:57 - 05:50. Nautical Dark: 20:34 - 05:13. Astro Dark: 21:12 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
92
87
77
61
48
37
33
33
33

Low Clouds (% Sky Obscured)

73
68
67
66
64
69
79
81
83
87
83
77
74
58
42
28
36
43
37
33
33
33

Medium Clouds (% Sky Obscured)

100
99
99
100
100
100
100
79
57
36
26
15
4
5
5
5
5
4
8
8
4
0

High Clouds (% Sky Obscured)

100
96
97
98
99
99
100
100
100
100
100
100
100
92
87
77
61
31
4
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
3
5
8
8
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

Precipitation Type

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

Precipitation Probability (%)

71
65
63
66
65
64
66
78
74
73
69
54
23
20
13
4
13
12
3
5
5
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
94
94
93
91
91
89
86
86
86
86
83
83
81
80
79
78
76
74

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1005
1006
1007
1007
1009
1010
1011
1012
1013
1014
1015
1017

Ozone (du)

357
360
364
368
371
373
374
375
375
375
374
373
372
371
373
376
378
381
383
386
388
389

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

Generated: 30/03/26 10:23:10. Forecast: 30/03/26 to 05/04/26. Timezone: UTC-4.00