Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 31

Waxing Gibbous 99%

18:08

06:10

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: 19:21, Transit: 12:58. Moon - Rise: 18:08, Set: 06:10. Civil Dark: 19:51 - 06:03. Nautical Dark: 20:26 - 05:27. Astro Dark: 21:03 - 04:50

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
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

88
90
85
69
77
90
72
88
97
69
100
83
52
72
99
98
82
61
60
53
51
0
1
0

High Clouds (% Sky Obscured)

100
63
53
98
100
100
100
100
100
100
100
100
100
32
98
100
100
90
94
60
63
82
83
75

ISS Passover

Visibility (miles)

9
9
9
8
9
7
9
6
6
3
6
4
1
5
2
1
7
5
5
5
5
6
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
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Sleet
None
None
None
None
None
None

Precipitation Probability (%)

27
8
0
26
12
26
40
42
43
57
94
95
84
76
95
80
35
66
41
31
15
10
6
1

Precipitation Amount (mm)

0.6
0
0
0
0
0
0
0
0
0
0.6
0.7
0.3
0.2
2.1
0.3
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
85
88
89
89
88
89
93
94
96
96
98
96
96
96
100
96
98
96
96
96
94
94
91

Pressure (mb)

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

Ozone (du)

357
354
357
357
357
353
352
353
355
356
357
357
358
358
355
356
356
354
352
351
350
351
353
356

Wednesday 1

Full Moon 100%

19:16

06:28

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: 06:31, Set: 19:22, Transit: 12:57. Moon - Rise: 19:16, Set: 06:28. Civil Dark: 19:52 - 06:01. Nautical Dark: 20:27 - 05:25. Astro Dark: 21:05 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
100
100
100
85
77
75
79
87
62
42
69
73
100
94
100
96

Low Clouds (% Sky Obscured)

100
100
100
100
98
85
68
52
44
55
53
58
42
9
2
0
0
0
0
0
0
0
15
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
0
2
3
3
5
3
2
2
4
5
28
48

High Clouds (% Sky Obscured)

100
100
100
100
100
100
93
100
100
100
67
51
45
49
61
81
62
42
69
73
100
94
100
96

ISS Passover

Visibility (miles)

9
9
9
7
6
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 (%)

4
12
18
20
7
14
2
10
2
1
0
1
0
0
0
0
0
0
0
0
0
0
3
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
83
82
82
80
80
85
88
88
88
89
89
89
91
89
91
91
91
92
92
92
84
83

Pressure (mb)

1020
1021
1022
1023
1024
1025
1025
1026
1027
1028
1029
1029
1030
1030
1031
1031
1031
1031
1032
1032
1032
1032
1033
1033

Ozone (du)

359
361
362
364
365
366
367
365
361
357
354
355
357
360
361
361
358
356
355
354
350
348
349
347

Thursday 2

Waning Gibbous 99%

20:24

06:47

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: 06:29, Set: 19:24, Transit: 12:57. Moon - Rise: 20:24, Set: 06:47. Civil Dark: 19:53 - 05:59. Nautical Dark: 20:29 - 05:23. Astro Dark: 21:06 - 04:46

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)

15
15
26
39
20
76
100
84
100
100
100
92
83
86
83
81
50
53
55
60
60
47
54
65

Medium Clouds (% Sky Obscured)

63
68
91
100
100
91
90
50
92
81
43
45
53
87
85
85
52
59
78
96
84
71
80
91

High Clouds (% Sky Obscured)

100
100
100
100
71
52
76
49
57
45
47
38
100
100
100
100
100
100
100
85
100
100
100
100

ISS Passover

Visibility (miles)

9
5
1
1
0
0
0
0
1
9
9
9
9
9
7
6
6
5
4
5
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
Very Light Rain
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

41
58
69
95
79
70
72
95
92
38
17
14
32
42
29
20
14
35
57
62
55
32
34
41

Precipitation Amount (mm)

0
0.3
0.3
1.1
0.4
0.4
0.4
1.4
0.6
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0

Wind Speed/Direction (mph)

4
5
7
7
7
7
7
6
7
11
12
15
17
17
18
18
18
18
19
19
17
17
17
16

Chance of Frost

Temperature (°C)

2
3
5
6
6
7
7
6
5
5
5
5
5
4
5
5
5
5
5
6
6
7
7
9

Feels Like (°C)

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

Dew Point (°C)

-1
1
4
5
6
7
7
6
5
4
4
4
4
4
4
4
4
5
5
5
6
6
7
9

Relative Humidity (%)

81
85
94
94
98
98
100
98
98
96
93
93
93
94
96
96
96
96
96
98
98
96
98
96

Pressure (mb)

1033
1032
1032
1031
1030
1029
1028
1027
1027
1026
1026
1025
1024
1023
1022
1022
1021
1020
1019
1018
1018
1017
1016
1016

Ozone (du)

345
346
345
344
342
341
339
337
336
334
334
333
333
333
333
333
332
332
330
332
333
335
338
339

Friday 3

Waning Gibbous 95%

21:33

07:09

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

Sun - Rise: 06:27, Set: 19:25, Transit: 12:57. Moon - Rise: 21:33, Set: 07:09. Civil Dark: 19:55 - 05:57. Nautical Dark: 20:30 - 05:21. Astro Dark: 21:08 - 04:44

Total Clouds (% Sky Obscured)

100
99
99
98
83
99
81
36
23
52
69
43
20
49
93
99
100
64
68
55
99
99
76
65

Low Clouds (% Sky Obscured)

76
67
76
74
66
84
68
23
15
52
69
41
10
39
93
99
99
57
10
18
22
22
30
42

Medium Clouds (% Sky Obscured)

100
92
60
51
54
54
50
31
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
93
81
60
72
81
81
36
23
0
2
5
7
31
55
76
87
64
68
55
79
66
43
22

ISS Passover

Visibility (miles)

1
3
5
3
5
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
53
53
58
46
34
23
14
16
3
7
9
10
9
6
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
14
15
17
20
19
21
20
18
16
13
11
9
7
6
5
5
4
3
3
2
3
3

Feels Like (°C)

5
7
10
11
14
18
17
17
17
15
14
9
7
5
2
0
-1
-1
-1
-2
-1
-2
-2
0

Dew Point (°C)

10
11
12
13
13
14
14
14
13
12
13
10
6
5
3
1
0
0
0
-1
-0
-1
-2
-3

Relative Humidity (%)

95
90
83
89
78
68
72
64
62
66
79
78
71
77
78
70
70
73
77
79
82
82
74
65

Pressure (mb)

1015
1015
1014
1013
1012
1012
1012
1011
1012
1012
1013
1015
1016
1018
1019
1020
1021
1022
1023
1023
1024
1025
1026
1026

Ozone (du)

341
345
350
348
348
349
349
352
355
355
351
350
348
346
342
341
340
340
340
340
342
343
342
340

Saturday 4

Waning Gibbous 90%

22:41

07:35

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: 06:25, Set: 19:26, Transit: 12:57. Moon - Rise: 22:41, Set: 07:35. Civil Dark: 19:56 - 05:55. Nautical Dark: 20:32 - 05:19. Astro Dark: 21:09 - 04:42

Total Clouds (% Sky Obscured)

90
80
86
86
92
97
100
100
100
100
100
100
100
100
100
100
96
95
93
96
98
100
94
90

Low Clouds (% Sky Obscured)

34
31
24
24
37
84
99
98
97
95
84
72
56
53
49
49
58
48
38
43
49
48
40
13

Medium Clouds (% Sky Obscured)

0
8
63
75
81
89
86
96
91
27
87
82
86
79
71
66
75
67
58
55
53
40
35
35

High Clouds (% Sky Obscured)

5
8
9
17
28
41
51
73
73
89
100
100
100
100
99
90
80
71
75
83
92
100
94
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
4
5
6
7
8
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
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
11
21
36
48
32
38
42
49
65
53
50
54
55
55
48
60
76
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0.3
0.2
0
0.2
0.3
0.5
0.8
0.7

Wind Speed/Direction (mph)

7
7
7
7
7
7
6
5
5
4
4
5
8
13
16
18
21
15
17
18
18
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
56
51
50
51
49
50
58
63
69
70
69
74
75
78
81
84
85
87
88
90
91
93
91

Pressure (mb)

1026
1026
1025
1024
1023
1022
1020
1019
1018
1017
1016
1015
1013
1011
1009
1008
1006
1010
1009
1007
1007
1007
1006
1006

Ozone (du)

343
349
351
353
352
350
347
348
346
345
343
341
339
338
339
342
341
340
338
336
337
337
337
341

Sunday 5

Waning Gibbous 84%

23:47

08:08

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: 06:23, Set: 19:27, Transit: 12:56. Moon - Rise: 23:47, Set: 08:08. Civil Dark: 19:57 - 05:53. Nautical Dark: 20:33 - 05:17. Astro Dark: 21:11 - 04:39

Total Clouds (% Sky Obscured)

76
84
88
100
100
100
100
92
85
78
73
74
72
81
88
94
93
91
91
92
93
95
86
80

Low Clouds (% Sky Obscured)

0
8
16
24
26
27
18
23
31
40
43
48
48
64
81
94
83
67
50
38
42
37
50
59

Medium Clouds (% Sky Obscured)

35
46
55
68
69
63
57
49
42
35
35
35
35
47
50
54
54
53
49
37
29
31
37
38

High Clouds (% Sky Obscured)

61
66
82
100
100
100
100
92
85
78
73
74
72
81
88
94
93
89
91
92
85
85
85
80

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
89
70
35
29
23
13
40
67
95
95
95
95
92
63
37
40
35
24
31
27
9
17
17

Precipitation Amount (mm)

0.5
0.5
0.3
0
0
0
0
0
0
0.5
0.9
1.1
1.2
0.6
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
17
17
17
16
15
12
10
8
9
11
13
12
11
10
10
11
12
13
14
16
16

Chance of Frost

Temperature (°C)

11
13
14
15
15
15
15
14
13
10
9
7
6
5
4
2
1
-1
-2
-3
-3
-3
-3
-2

Feels Like (°C)

5
7
9
10
11
11
11
9
9
8
7
2
2
1
1
-0
-2
-7
-7
-8
-8
-9
-9
-10

Dew Point (°C)

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

Relative Humidity (%)

87
86
79
71
66
63
61
60
63
66
68
71
75
79
82
84
86
83
78
75
71
68
65
57

Pressure (mb)

1005
1005
1004
1004
1003
1002
1002
1001
1001
1001
1002
1002
1003
1004
1004
1005
1006
1007
1007
1008
1009
1010
1010
1011

Ozone (du)

344
347
348
349
349
352
354
357
364
372
379
384
388
392
393
394
396
401
406
411
414
418
421
424

Monday 6

Waning Gibbous 76%

00:49

08:49

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

Sun - Rise: 06:21, Set: 19:29, Transit: 12:56. Moon - Rise: 00:49, Set: 08:49. Civil Dark: 19:59 - 05:51. Nautical Dark: 20:35 - 05:15. Astro Dark: 21:13 - 04:37

Total Clouds (% Sky Obscured)

75
59
43
23
7
7
7
15
36
38
46
51
58
56
54
49
47
45
43
48
53
64

Low Clouds (% Sky Obscured)

58
46
33
17
7
5
5
10
17
21
25
28
32
35
37
45
33
22
9
11
13
16

Medium Clouds (% Sky Obscured)

30
18
10
5
0
0
0
1
6
17
22
23
20
15
10
5
25
43
43
48
53
64

High Clouds (% Sky Obscured)

60
27
0
2
1
1
0
0
0
0
1
1
1
2
5
7
26
45
43
46
27
8

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

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

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

Precipitation Probability (%)

8
14
13
12
18
22
21
31
39
48
42
34
19
19
17
6
9
8
2
4
4
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
17
17
17
17
17
17
16
14
12
10
10
9
9
9
9
9
9
8
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
46
40
35
32
33
34
35
40
46
52
56
62
67
68
69
69
69
69
69
65
62

Pressure (mb)

1011
1012
1012
1012
1013
1013
1014
1014
1015
1016
1018
1019
1020
1021
1022
1022
1023
1024
1024
1025
1025
1026

Ozone (du)

427
430
430
430
430
427
424
421
421
421
420
420
420
420
416
412
409
408
407
406
407
408

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 31/03/26 10:18:02. Forecast: 31/03/26 to 06/04/26. Timezone: UTC-4.00