Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 16%

07:35

23:15

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

Sun - Rise: 05:59, Set: 19:46, Transit: 12:53. Moon - Rise: 07:35, Set: 23:15. Civil Dark: 20:18 - 05:28. Nautical Dark: 20:56 - 04:49. Astro Dark: 21:37 - 04:08

Total Clouds (% Sky Obscured)

95
74
87
81
83
91
63
72
65
59
28
63
92
90
88
91
91
100
100
64
22
18
17
7

Low Clouds (% Sky Obscured)

33
35
62
71
70
83
63
44
29
43
28
60
86
84
79
81
74
87
100
50
20
18
17
4

Medium Clouds (% Sky Obscured)

48
44
30
45
49
69
59
55
28
10
1
1
1
2
2
36
41
85
32
31
22
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
1
1
1
1
1
2
2
2
2
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
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 (%)

7
18
5
6
11
10
7
6
3
2
2
1
2
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
4
4
7
7
8
9
9
9
11
11
12
12
12
12
12
11
11
10
10
8
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-4
-4
-3
-3
-4
-6
-7
-10
-11
-12
-12
-12
-13
-12
-12
-12
-12
-12
-11
-11
-10
-11

Relative Humidity (%)

76
75
75
74
78
80
80
75
66
51
43
37
36
35
32
32
32
32
31
32
39
46
51
49

Pressure (mb)

1014
1014
1014
1015
1016
1016
1017
1019
1020
1021
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1026
1026

Ozone (du)

408
409
415
419
416
419
413
410
412
415
418
424
437
449
457
460
458
453
450
450
451
451
452
462

Monday 20

Waxing Crescent 26%

08:34

00:31

23 Good
00 Good
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

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)

10
7
6
2
0
3
7
14
79
96
99
98
98
96
89
80
93
98
99
98
98
100
100
100

Low Clouds (% Sky Obscured)

10
7
6
0
0
0
0
0
0
0
0
16
62
55
49
40
33
17
27
27
19
46
73
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
5
12
74
94
99
93
88
78
75
57
70
88
78
93
93
99
100
100

High Clouds (% Sky Obscured)

0
0
0
1
0
3
3
6
34
45
40
15
1
0
0
0
6
5
12
90
90
90
80
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9

Fog (%)

0
0
0
0
0
0
0
1
1
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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
33
52
26
27
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-11
-10
-10
-10
-11
-11
-10
-10
-10
-11
-12
-11
-10
-8
-8
-6
-4
-2
2
2
2
2

Relative Humidity (%)

46
47
52
56
57
57
56
57
54
46
40
33
29
29
30
31
31
33
41
51
74
85
88
88

Pressure (mb)

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

Ozone (du)

464
462
456
444
435
428
420
411
412
411
408
405
403
402
403
397
390
384
383
383
379
377
378
380

Tuesday 21

Waxing Crescent 37%

09:46

01:32

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 OK
17 OK
18 OK
19 Bad
20 Bad
21 OK
22 OK

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
99
100
100
97
97
92
99
100
63
93
100
98
99
98
88
72
47
40
43
84
74
43
42

Low Clouds (% Sky Obscured)

79
75
78
77
76
84
80
70
66
63
87
89
73
67
71
55
43
47
40
43
52
42
26
17

Medium Clouds (% Sky Obscured)

100
85
45
44
40
39
34
47
45
50
45
40
38
49
33
33
19
33
29
43
57
61
43
42

High Clouds (% Sky Obscured)

80
1
0
0
0
0
2
50
55
53
49
0
0
0
0
0
0
0
0
0
0
0
1
1

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 (%)

30
34
45
36
28
14
22
5
1
0
13
7
18
18
18
13
2
1
0
0
0
2
3
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
89
93
94
96
94
96
94
90
81
75
81
74
77
77
66
63
53
55
65
65
69
75

Pressure (mb)

1018
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014

Ozone (du)

383
384
386
386
386
387
393
398
402
402
400
401
403
405
406
406
405
404
402
401
401
404
407
408

Wednesday 22

Waxing Crescent 49%

11:03

02:19

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

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)

47
73
54
81
88
84
78
68
21
25
83
53
59
71
74
93
97
98
99
96
97
93
92
90

Low Clouds (% Sky Obscured)

29
40
53
53
57
26
21
20
17
20
17
47
52
66
69
93
97
98
96
95
94
88
58
90

Medium Clouds (% Sky Obscured)

47
70
54
46
42
51
50
37
2
0
0
0
0
0
0
9
16
18
15
15
14
14
6
0

High Clouds (% Sky Obscured)

0
0
1
7
10
2
3
0
0
0
0
0
0
0
0
0
0
2
1
10
10
5
5
5

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 (%)

18
21
24
32
38
42
35
25
3
3
2
0
2
2
2
1
0
0
2
2
4
4
5
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
85
86
86
85
86
85
79
66
58
54
51
48
46
43
41
42
43
48
60
65
67
73

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

413
408
407
405
404
402
402
401
400
400
401
400
398
395
392
393
392
392
391
392
392
391
392
392

Thursday 23

First Quarter 60%

12:21

02:53

23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
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 Bad
19 Bad
20 Bad
21 Bad
22 Bad

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)

87
88
92
77
21
21
19
24
21
22
26
54
88
91
96
98
97
95
86
75
68
55
40
42

Low Clouds (% Sky Obscured)

87
80
89
77
21
21
19
24
21
22
26
54
62
49
40
46
46
30
38
35
16
18
24
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
12
26
39
46
44
42
43
44
55
55
40
42

High Clouds (% Sky Obscured)

5
0
5
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
6
17
42

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 (%)

4
3
0
3
4
5
4
3
1
2
2
0
2
2
1
17
18
16
14
12
5
13
15
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
73
76
80
81
83
84
77
65
60
56
51
45
41
40
42
44
46
52
56
62
67
71

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

393
394
396
399
404
412
419
411
403
398
401
408
405
397
395
394
395
397
398
398
398
398
395
392

Friday 24

Waxing Gibbous 71%

13:36

03:20

23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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

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)

41
59
25
10
5
15
16
17
23
36
59
72
82
88
95
93
91
89
92
96
100
98
94
90

Low Clouds (% Sky Obscured)

41
56
25
10
5
11
9
13
17
17
28
42
80
88
95
93
91
89
90
65
60
42
24
18

Medium Clouds (% Sky Obscured)

41
50
25
10
5
15
16
17
23
35
35
35
40
35
30
34
38
38
50
67
80
74
69
70

High Clouds (% Sky Obscured)

41
57
25
10
5
15
16
17
23
36
33
0
0
0
0
5
9
4
4
8
6
9
15
38

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

Precipitation Probability (%)

24
27
25
25
21
9
14
18
18
49
69
88
81
75
58
58
57
54
43
30
11
7
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
2
2
1
1
1
2
3
4
5
6
8
9
10
12
12
13
13
12
10
8
7
6

Feels Like (°C)

3
2
3
3
-0
0
1
0
-2
-2
3
3
3
3
4
4
9
9
9
9
10
10
5
5

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
78
78
81
81
74
68
62
57
51
45
43
40
39
37
37
36
41
46
52
58
66

Pressure (mb)

1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

390
386
382
378
376
375
373
373
374
374
374
374
374
374
375
375
377
378
380
379
379
378
376
375

Saturday 25

Waxing Gibbous 80%

14:48

03:41

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
17 Bad
18 OK
19 OK

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)

92
95
98
99
98
98
94
77
72
72
75
80
78
76
73
66
60
53
50
48
37

Low Clouds (% Sky Obscured)

13
14
11
5
2
2
3
4
3
2
1
0
0
0
1
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

74
75
73
87
94
98
94
77
72
72
71
70
57
41
23
13
11
10
5
5
4

High Clouds (% Sky Obscured)

71
95
98
76
54
32
51
68
72
72
61
53
58
50
39
27
14
1
1
1
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

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
5
6
7
9
10
12
13
14
15
15
15
16
14
12

Feels Like (°C)

4
5
4
4
2
2
3
2
2
2
6
6
7
8
9
9
15
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

74
73
73
75
75
76
76
73
71
67
62
56
52
49
48
46
46
45
44
53
63

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

373
374
374
375
375
376
377
380
382
385
384
383
382
382
382
382
380
379
378
377
375

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

Generated: 19/04/26 23:06:30. Forecast: 19/04/26 to 25/04/26. Timezone: UTC-4.00