Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

First Quarter 49%

11:03

02:53

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

Sun - Rise: 05:52, Set: 19:50, Transit: 12:52. Moon - Rise: 11:03, Set: 02:53. Civil Dark: 20:22 - 05:21. Nautical Dark: 21:00 - 04:42. Astro Dark: 21:43 - 03:59

Total Clouds (% Sky Obscured)

54
55
35
44
38
22
43
24
17
30
50
66
64
25
22
28
7
12
21
26
22
23
25
21

Low Clouds (% Sky Obscured)

30
15
10
34
38
22
33
24
17
21
25
48
30
25
22
28
7
12
21
26
22
23
25
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
43
24
0
29
24
36
36
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

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)

7
9
9
9
12
12
12
13
14
13
12
10
7
6
7
8
7
6
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

7
7
8
8
10
11
12
12
12
12
11
10
8
6
5
4
3
2
1
0
-0
-1
-1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
60
50
44
40
35
32
31
34
40
44
50
55
55
55
62
68
73
75
78
80
81
73

Pressure (mb)

1016
1016
1016
1016
1015
1014
1014
1013
1012
1012
1013
1013
1013
1014
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015

Ozone (du)

394
395
394
394
393
394
396
396
395
395
393
394
395
396
398
398
400
403
408
413
417
414
414
412

Friday 24

Waxing Gibbous 60%

12:21

03:20

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

Sun - Rise: 05:51, Set: 19:51, Transit: 12:52. Moon - Rise: 12:21, Set: 03:20. Civil Dark: 20:23 - 05:19. Nautical Dark: 21:02 - 04:40. Astro Dark: 21:45 - 03:57

Total Clouds (% Sky Obscured)

20
5
29
17
25
66
75
73
73
59
37
16
15
17
4
6
8
10
7
10
10
7
2
7

Low Clouds (% Sky Obscured)

20
1
15
7
25
55
48
48
56
31
17
16
15
17
0
6
8
10
7
5
1
1
0
1

Medium Clouds (% Sky Obscured)

5
0
0
4
15
17
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
0
0
0
0
0
0
0
0
0
0
0
4
4
4
2
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 (%)

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)

8
8
8
9
10
10
9
9
9
9
9
7
4
5
5
4
4
3
3
3
4
4
3
4

Chance of Frost

Temperature (°C)

3
5
6
8
9
10
11
11
12
11
10
9
7
5
5
4
3
3
2
2
1
-0
-1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
55
51
46
42
40
38
38
41
43
54
63
66
68
72
71
69
70
72
75
80
86
78

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1012
1012
1013
1013
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

412
411
403
397
392
385
379
378
379
378
377
376
377
376
378
382
380
378
371
369
367
365
366
366

Saturday 25

Waxing Gibbous 71%

13:36

03:41

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

Sun - Rise: 05:49, Set: 19:53, Transit: 12:52. Moon - Rise: 13:36, Set: 03:41. Civil Dark: 20:24 - 05:17. Nautical Dark: 21:04 - 04:38. Astro Dark: 21:47 - 03:54

Total Clouds (% Sky Obscured)

66
44
54
100
100
100
100
100
100
100
100
100
100
100
98
68
67
69
57
39
26
6
3
3

Low Clouds (% Sky Obscured)

1
0
0
0
1
1
1
0
1
9
9
13
16
28
1
0
1
1
1
1
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
16
27
84
75
100
78
58
47
29
56
18
51
0
13
10
5
0
0
0
0

High Clouds (% Sky Obscured)

61
43
41
100
100
100
100
100
100
100
100
100
100
100
97
56
67
69
57
35
26
2
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 (%)

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)

5
8
8
8
7
7
7
6
5
4
3
1
3
4
5
4
3
3
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
59
51
46
42
38
36
35
35
36
43
55
60
70
70
76
80
83
86
86
89
91
91
83

Pressure (mb)

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

Ozone (du)

364
365
363
365
364
364
364
365
367
370
372
375
379
382
380
380
380
380
380
381
380
381
382
384

Sunday 26

Waxing Gibbous 80%

14:48

04:00

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

Sun - Rise: 05:47, Set: 19:54, Transit: 12:51. Moon - Rise: 14:48, Set: 04:00. Civil Dark: 20:26 - 05:15. Nautical Dark: 21:05 - 04:36. Astro Dark: 21:49 - 03:52

Total Clouds (% Sky Obscured)

3
4
6
8
28
59
67
68
67
54
29
5
5
5
5
7
15
28
28
45
9
20
39
48

Low Clouds (% Sky Obscured)

2
2
5
3
22
52
65
68
67
54
29
5
5
5
5
6
8
12
11
8
4
3
3
2

Medium Clouds (% Sky Obscured)

0
0
0
5
10
14
10
6
3
2
1
0
0
0
0
3
7
10
10
4
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
15
28
28
34
0
20
39
48

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

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
14
13
13
13
12
11
9
7
7
6
5
5
4
4
3
3
4
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
61
55
51
49
46
48
52
51
54
62
67
78
82
84
86
90
89
91
91
91
93
93
86

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

388
389
388
389
392
393
395
396
396
397
397
398
394
393
392
392
391
390
391
393
394
395
395
395

Monday 27

Waxing Gibbous 88%

15:58

04:17

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

Sun - Rise: 05:46, Set: 19:55, Transit: 12:51. Moon - Rise: 15:58, Set: 04:17. Civil Dark: 20:27 - 05:14. Nautical Dark: 21:07 - 04:34. Astro Dark: 21:51 - 03:50

Total Clouds (% Sky Obscured)

31
16
8
10
9
14
16
11
72
72
80
85
83
80
70
49
29
10
26
43
58
65
72
79

Low Clouds (% Sky Obscured)

2
2
1
1
0
1
1
0
0
0
0
0
0
0
0
1
1
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

1
4
4
0
0
0
0
0
3
4
25
48
48
46
44
30
20
2
2
1
0
0
0
0

High Clouds (% Sky Obscured)

31
16
0
8
9
14
15
9
72
72
80
85
66
33
0
1
2
3
21
38
56
65
72
79

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)

1
2
2
3
4
4
4
4
4
4
3
3
2
2
2
2
2
3
4
5
6
7
8
10

Chance of Frost

Temperature (°C)

8
11
13
15
16
17
18
18
18
17
16
14
12
11
10
9
9
9
8
8
8
8
9
10

Feels Like (°C)

9
11
13
15
15
16
16
16
16
14
14
12
10
10
9
9
9
8
8
7
7
6
6
6

Dew Point (°C)

4
5
6
7
7
7
7
6
5
5
5
6
5
5
5
5
6
5
5
5
5
5
6
6

Relative Humidity (%)

77
68
62
57
54
50
48
45
44
43
46
57
59
64
69
76
78
80
82
82
84
82
80
77

Pressure (mb)

1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

393
393
389
387
384
382
381
379
377
373
370
365
362
360
358
355
353
352
350
350
350
350
349
348

Tuesday 28

Waxing Gibbous 94%

17:05

04:34

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

Sun - Rise: 05:44, Set: 19:56, Transit: 12:51. Moon - Rise: 17:05, Set: 04:34. Civil Dark: 20:29 - 05:12. Nautical Dark: 21:08 - 04:32. Astro Dark: 21:53 - 03:48

Total Clouds (% Sky Obscured)

86
93
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)

0
0
0
0
0
0
1
2
2
32
61
89
91
93
99
92
84
77
84
92
100
100
100
100

Medium Clouds (% Sky Obscured)

8
16
24
46
69
94
96
98
100
99
99
98
92
87
82
77
72
67
74
81
89
64
42
23

High Clouds (% Sky Obscured)

86
93
100
100
100
100
100
100
100
100
100
100
99
98
98
100
100
98
96
98
100
63
31
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
5
7
12
41
53
55
45
34
20
34
47
58
69
86
86
65
46
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.7
0.6
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
7
8
8
8
12
11
12
11
10
10
6
6
6
5
6
5
3
3
3
3
2

Dew Point (°C)

6
6
6
6
6
7
6
6
7
7
7
7
7
6
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

73
67
62
57
55
53
50
52
55
56
60
63
67
70
73
76
80
84
88
90
91
93
91
93

Pressure (mb)

1020
1020
1019
1018
1017
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1013
1013

Ozone (du)

347
347
346
346
345
343
342
342
343
343
346
349
352
359
367
374
374
374
374
374
374
373
376
378

Wednesday 29

Waxing Gibbous 98%

18:13

04:52

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
00 Bad
01 Bad

Sun - Rise: 05:43, Set: 19:58, Transit: 12:51. Moon - Rise: 18:13, Set: 04:52. Civil Dark: 20:30 - 05:11. Nautical Dark: 21:10 - 04:30. Astro Dark: 21:54 - 03:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
97
98

Low Clouds (% Sky Obscured)

96
93
89
83
77
64
72
80
86
82
77
73
65
55
45
43
43
38

Medium Clouds (% Sky Obscured)

37
48
65
40
25
15
12
24
36
59
83
100
100
100
100
97
95
97

High Clouds (% Sky Obscured)

24
40
35
40
40
45
60
81
64
54
51
60
69
71
77
83
89
95

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

22
16
6
11
13
12
64
78
80
95
95
95
95
92
78
66
51
31

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0
0.7
0.9
1
0.7
0.5
0.4
0.3
0
0

Wind Speed/Direction (mph)

9
8
8
8
8
8
8
6
5
4
4
5
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
4
4
5
6
6
6
10
10
10
10
10
10
9
9
9
8
8

Dew Point (°C)

7
7
8
8
8
8
8
9
9
9
9
9
9
8
8
8
7
7

Relative Humidity (%)

91
90
88
87
81
77
72
75
77
81
81
83
84
85
87
90
88
88

Pressure (mb)

1013
1013
1013
1013
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009
1010
1010
1009
1009

Ozone (du)

380
378
376
374
375
376
378
378
378
377
377
376
375
374
374
373
372
371

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

Generated: 23/04/26 08:49:54. Forecast: 23/04/26 to 29/04/26. Timezone: UTC-4.00