Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 26%

08:34

00:31

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

Sun - Rise: 05:57, Set: 19:48, Transit: 12:52. Moon - Rise: 08:34, Set: 00:31. Civil Dark: 20:19 - 05:26. Nautical Dark: 20:57 - 04:47. Astro Dark: 21:39 - 04:06

Total Clouds (% Sky Obscured)

26
17
13
2
4
13
10
64
51
100
100
95
83
73
86
85
88
79
79
98
99
96
98
99

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
29
45
35
47
51
49
41
40
34
61
31
20
36
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
13
10
28
51
100
100
90
78
56
53
42
66
53
57
93
99
95
94
98

High Clouds (% Sky Obscured)

0
0
0
2
3
3
3
22
1
0
0
0
0
0
0
0
0
2
3
22
60
4
4
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
9
5
8

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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
9
51
54
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
54
55
58
59
60
61
57
50
44
38
32
30
30
31
32
33
37
45
57
65
73
82
89

Pressure (mb)

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

Ozone (du)

467
457
445
438
432
425
420
415
411
408
407
406
406
407
400
390
380
375
371
369
371
375
379
385

Wednesday 22

Waxing Crescent 37%

09:46

01:32

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:55, Set: 19:49, Transit: 12:52. Moon - Rise: 09:46, Set: 01:32. Civil Dark: 20:20 - 05:24. Nautical Dark: 20:59 - 04:45. Astro Dark: 21:41 - 04:03

Total Clouds (% Sky Obscured)

100
98
96
98
96
94
97
96
95
96
84
86
88
87
61
82
83
80
70
90
93
74
85
82

Low Clouds (% Sky Obscured)

59
79
80
74
80
79
85
88
85
76
63
68
69
56
48
42
45
36
5
5
15
13
2
13

Medium Clouds (% Sky Obscured)

100
56
87
45
41
38
31
37
26
38
7
0
1
49
0
6
3
2
0
42
50
45
27
72

High Clouds (% Sky Obscured)

0
0
11
3
3
3
1
0
0
0
0
0
0
0
1
4
2
3
5
90
21
11
85
80

ISS Passover

Visibility (miles)

9
6
8
9
9
9
9
9
7
7
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 (%)

38
23
31
38
25
24
15
6
2
2
0
0
1
3
0
2
2
9
1
0
0
0
0
0

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
7
7
9
9
9
8
8
9
8
7
5
3
4
5
4
3
4
4
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
93
86
88
93
94
94
94
93
88
85
81
75
72
75
80
86
87
90
91
93
94

Pressure (mb)

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

Ozone (du)

384
385
382
383
386
389
392
394
396
396
397
397
398
399
400
400
397
395
396
398
402
404
402
403

Thursday 23

First Quarter 49%

11:03

02:19

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Good
22 Good
23 Good

Sun - Rise: 05:54, Set: 19:50, Transit: 12:52. Moon - Rise: 11:03, Set: 02:19. Civil Dark: 20:22 - 05:22. Nautical Dark: 21:00 - 04:43. Astro Dark: 21:43 - 04:01

Total Clouds (% Sky Obscured)

79
81
94
92
85
88
84
80
61
87
72
68
77
76
92
77
97
76
73
64
58
13
15
9

Low Clouds (% Sky Obscured)

33
39
49
28
33
15
20
20
25
75
41
40
57
52
50
41
34
30
18
19
25
12
15
9

Medium Clouds (% Sky Obscured)

74
75
86
57
33
48
34
22
7
2
0
0
0
22
25
0
33
4
24
11
9
4
0
0

High Clouds (% Sky Obscured)

65
75
50
22
20
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
1
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
6
4
4
8
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 (%)

0
0
4
13
42
37
34
32
22
18
24
26
23
10
14
4
2
1
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
91
93
94
94
91
90
79
73
67
66
66
55
53
43
44
50
54
56
61
68
72

Pressure (mb)

1015
1014
1014
1014
1014
1014
1015
1015
1015
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

405
403
404
404
402
401
401
402
405
405
405
406
407
408
409
411
410
411
406
401
403
403
405
410

Friday 24

Waxing Gibbous 60%

12:21

02:53

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

Sun - Rise: 05:52, Set: 19:51, Transit: 12:52. Moon - Rise: 12:21, Set: 02:53. Civil Dark: 20:23 - 05:21. Nautical Dark: 21:02 - 04:42. Astro Dark: 21:45 - 03:59

Total Clouds (% Sky Obscured)

4
1
10
16
21
15
12
30
64
75
81
80
80
81
89
90
89
94
37
18
18
11
8
3

Low Clouds (% Sky Obscured)

4
1
3
4
5
4
3
29
64
75
81
80
80
81
89
90
89
90
33
12
11
10
7
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
9
16
21
15
10
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
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 (%)

0
0
0
0
0
0
0
0
1
1
3
13
0
0
0
0
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
80
81
83
83
83
76
67
63
62
59
56
47
43
42
45
47
52
62
68
69
70
73

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1014
1014
1015
1015
1015
1015

Ozone (du)

412
414
418
417
408
401
403
414
416
411
403
396
390
386
383
378
376
380
383
383
379
377
378
379

Saturday 25

Waxing Gibbous 71%

13:36

03:20

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

Sun - Rise: 05:51, Set: 19:53, Transit: 12:52. Moon - Rise: 13:36, Set: 03:20. Civil Dark: 20:24 - 05:19. Nautical Dark: 21:04 - 04:40. Astro Dark: 21:47 - 03:57

Total Clouds (% Sky Obscured)

2
0
0
3
4
13
20
24
30
34
59
100
100
100
70
73
73
59
48
45
55
68
85
80

Low Clouds (% Sky Obscured)

2
0
0
1
1
1
1
1
0
1
0
10
19
27
12
14
18
16
16
18
19
7
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
15
33
50
0
0
0
14
27
45
43
34
24
18

High Clouds (% Sky Obscured)

0
0
0
0
0
13
20
24
30
34
57
100
100
100
52
69
73
59
47
29
28
34
52
50

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 (%)

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 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)

3
3
3
3
3
3
4
4
5
5
7
8
8
8
9
7
7
7
6
6
5
5
6
6

Chance of Frost

Temperature (°C)

2
1
1
0
0
-0
0
2
4
6
8
10
11
12
12
13
14
14
12
11
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
81
81
83
84
86
76
68
61
57
57
53
52
48
48
47
46
53
60
69
69
69
69

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1015
1015

Ozone (du)

384
388
384
382
380
379
376
375
377
380
383
383
385
387
388
390
393
395
395
395
394
394
393
393

Sunday 26

Waxing Gibbous 80%

14:48

03:41

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:49, Set: 19:54, Transit: 12:51. Moon - Rise: 14:48, Set: 03:41. Civil Dark: 20:26 - 05:17. Nautical Dark: 21:05 - 04:38. Astro Dark: 21:49 - 03:54

Total Clouds (% Sky Obscured)

67
82
95
99
100
96
92
85
86
76
75
74
78
93
97
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

0
0
11
34
70
85
82
80
81
67
55
31
40
51
35
19
4
13
38
42
54
69
70
75

Medium Clouds (% Sky Obscured)

13
8
16
25
35
26
17
8
9
10
11
8
4
1
23
45
71
64
54
50
51
50
40
24

High Clouds (% Sky Obscured)

34
16
45
69
95
63
32
0
0
0
0
0
0
0
5
8
4
34
61
86
85
80
60
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
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
4
6
9
10
8
7
9
8
1
2
1
0
0

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)

5
4
4
4
3
3
3
4
4
4
4
4
5
5
6
5
5
5
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
3
2
3
3
3
3
5
6
6
7
7
7
11
10
10
10
10
9
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

71
72
75
75
76
76
78
78
78
73
69
67
63
59
55
59
62
66
68
69
73
74
74
77

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021

Ozone (du)

393
394
395
394
394
394
396
397
398
400
401
402
404
406
407
409
411
413
413
413
413
411
410
408

Monday 27

Waxing Gibbous 88%

15:58

04:00

Sun - Rise: 05:47, Set: 19:55, Transit: 12:51. Moon - Rise: 15:58, Set: 04:00. Civil Dark: 20:27 - 05:15. Nautical Dark: 21:07 - 04:36. Astro Dark: 21:51 - 03:52

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 21/04/26 00:35:04. Forecast: 21/04/26 to 27/04/26. Timezone: UTC-4.00