Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:13

20:34

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

Sun - Rise: 06:02, Set: 19:48, Transit: 12:56. Moon - Rise: 06:13, Set: 20:34. Civil Dark: 20:20 - 05:31. Nautical Dark: 20:59 - 04:51. Astro Dark: 21:41 - 04:09

Total Clouds (% Sky Obscured)

37
2
11
9
20
5
6
8
0
1
0
1
4
67
52
28
71
33
81
18
24
0
29
37

Low Clouds (% Sky Obscured)

37
2
11
9
17
4
5
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
21

Medium 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

High Clouds (% Sky Obscured)

1
2
4
4
3
2
1
0
0
1
0
1
4
66
52
28
71
33
81
18
10
0
4
34

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)

6
6
7
7
6
6
5
4
3
3
3
3
4
4
5
5
5
4
4
5
6
7
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
8
11
12
12
13
14
14
14
12
9
8
7
6
4
3
3
2
2
2
3
5
6
7

Dew Point (°C)

5
5
5
5
5
5
4
4
5
6
6
5
4
4
5
4
4
4
4
4
4
5
6
6

Relative Humidity (%)

81
71
64
60
57
54
51
51
56
68
77
79
82
88
94
94
93
94
94
93
94
93
87
78

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1018
1019
1019
1019
1018
1018
1018
1017
1018
1017
1017
1016
1015
1014

Ozone (du)

339
341
340
339
340
340
343
343
344
344
343
343
340
341
345
346
346
344
343
344
344
342
340
338

Saturday 18

Waxing Crescent 3%

06:47

22:01

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:01, Set: 19:49, Transit: 12:56. Moon - Rise: 06:47, Set: 22:01. Civil Dark: 20:21 - 05:29. Nautical Dark: 21:00 - 04:49. Astro Dark: 21:43 - 04:06

Total Clouds (% Sky Obscured)

51
100
92
79
98
80
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
35
26
54
51
37
56
53
77
83
85
90
96
100
100
100
82
87
79
67
35
45
57
58

Medium Clouds (% Sky Obscured)

0
0
0
2
37
65
90
91
100
91
93
48
62
97
100
95
95
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

51
100
59
11
77
55
89
90
100
97
100
86
100
100
84
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
2
2
7
5
1
1
0
2
2
1
0
2
1
1
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
31
41
81
0
100
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
1
17
95
95
95
95
95
95
95
95
95
95
95
95
95
72
50
45
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.9
3
2.6
1.5
1
1
1.2
1.9
1.8
1.5
1.6
1.3
0.9
0.4
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
12
13
15
17
17
17
16
15
13
12
12
11
11
12
12
9
7
4
2
1
0
-0
-1

Feels Like (°C)

7
7
9
11
12
13
13
12
11
11
10
9
8
9
10
9
5
1
0
-3
-4
-5
-5
-6

Dew Point (°C)

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

Relative Humidity (%)

68
67
64
59
55
53
57
63
80
93
95
93
95
96
95
95
95
91
96
96
93
92
91
87

Pressure (mb)

1013
1011
1010
1009
1007
1006
1005
1004
1004
1004
1003
1003
1003
1002
1002
1002
1003
1004
1005
1006
1007
1008
1009
1009

Ozone (du)

336
334
336
334
332
331
332
333
332
333
334
335
336
334
330
328
327
328
331
331
334
333
337
339

Sunday 19

Waxing Crescent 8%

07:31

23:26

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
08 Bad
09 Bad

Sun - Rise: 05:59, Set: 19:51, Transit: 12:56. Moon - Rise: 07:31, Set: 23:26. Civil Dark: 20:23 - 05:27. Nautical Dark: 21:02 - 04:47. Astro Dark: 21:45 - 04:04

Total Clouds (% Sky Obscured)

96
68
56
75
93
98
100
99
85
95
100
96
92
70
92
88
87
74
44
39
42
41
73
91

Low Clouds (% Sky Obscured)

63
37
43
67
91
98
99
99
80
86
96
89
60
29
80
81
74
66
44
39
42
41
73
89

Medium Clouds (% Sky Obscured)

71
20
11
20
20
35
62
92
70
92
100
87
81
30
30
35
40
31
2
1
2
1
1
0

High Clouds (% Sky Obscured)

90
2
56
0
93
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

1
9
9
7
7
7
9
9
9
9
9
8
9
2
0
5
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
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
0
3
14
5
22
21
26
21
15
16
20
21
25
24
19
4
0
1
1
5
6
4
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
13
13
12
13
12
12
10
8
6
8
7
7
8
8
7
7
7
7
8
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-5
-3
-3
-2
-3
-3
-3
-4
-4
-5
-5
-5
-6
-6
-8
-8
-10
-10
-10
-10
-10
-11
-11

Dew Point (°C)

-3
-4
-4
-5
-5
-6
-8
-7
-6
-6
-6
-5
-5
-5
-5
-7
-8
-10
-10
-11
-11
-12
-16
-17

Relative Humidity (%)

83
69
62
56
53
53
45
51
55
59
66
71
74
79
87
78
75
72
74
76
77
67
48
39

Pressure (mb)

1010
1009
1009
1008
1009
1009
1009
1009
1009
1010
1011
1012
1012
1013
1014
1014
1015
1016
1017
1018
1020
1021
1022
1022

Ozone (du)

341
342
342
346
348
356
365
377
389
395
405
408
409
411
409
409
408
408
406
408
413
418
421
423

Monday 20

Waxing Crescent 16%

08:30

00:41

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

Sun - Rise: 05:57, Set: 19:52, Transit: 12:55. Moon - Rise: 08:30, Set: 00:41. Civil Dark: 20:24 - 05:25. Nautical Dark: 21:04 - 04:45. Astro Dark: 21:47 - 04:02

Total Clouds (% Sky Obscured)

88
73
67
57
51
46
41
43
41
3
1
0
0
0
7
10
12
23
65
81
97
99
99
94

Low Clouds (% Sky Obscured)

88
73
67
57
51
46
41
43
41
3
1
0
0
0
0
0
0
0
0
1
2
4
4
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
12
25
25
46
75
84

High Clouds (% Sky Obscured)

0
2
2
2
2
2
1
0
0
0
0
0
0
0
1
1
1
2
7
10
9
11
14
11

ISS Passover

Visibility (miles)

8
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
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-9
-8
-7
-6
-6
-6
-6
-6
-5
-5
-6
-5
-5
-6
-7
-7
-7
-8
-8
-8
-7
-7

Dew Point (°C)

-17
-17
-16
-17
-17
-18
-18
-18
-18
-16
-13
-14
-15
-16
-16
-16
-15
-15
-15
-14
-13
-13
-13
-12

Relative Humidity (%)

38
37
36
33
30
26
25
25
25
32
45
44
42
41
41
41
42
44
45
48
51
48
43
40

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1023
1023
1021

Ozone (du)

428
441
449
455
458
455
454
453
458
461
461
451
446
442
432
417
404
397
394
397
398
396
391
389

Tuesday 21

Waxing Crescent 26%

09:41

01:42

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: 05:56, Set: 19:53, Transit: 12:55. Moon - Rise: 09:41, Set: 01:42. Civil Dark: 20:26 - 05:23. Nautical Dark: 21:05 - 04:43. Astro Dark: 21:49 - 03:59

Total Clouds (% Sky Obscured)

99
99
99
100
100
100
100
98
98
98
99
99
100
100
100
100
100
100
100
99
98
97
96
97

Low Clouds (% Sky Obscured)

87
96
97
100
100
100
100
97
94
92
94
96
98
97
94
92
89
94
100
93
86
80
86
92

Medium Clouds (% Sky Obscured)

93
95
97
100
94
88
82
74
65
50
46
42
42
42
41
0
2
3
5
5
4
7
5
3

High Clouds (% Sky Obscured)

10
10
15
40
55
60
65
65
43
65
44
48
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

21
30
33
44
88
95
95
95
84
60
48
37
27
22
20
21
30
22
17
16
15
14
12
10

Precipitation Amount (mm)

0
0
0
0
0.5
1.5
1.2
1.1
0.4
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-4
-3
-4
-5
-4
-4
-3
-3
-3
-3
-3
-3
-4
-5
-4
-4
-5
-5
-5
-6
-8

Dew Point (°C)

-13
-11
-10
-10
-9
-4
-1
-0
0
0
0
0
0
0
0
-1
-1
-2
-2
-3
-4
-5
-7
-7

Relative Humidity (%)

35
38
42
40
39
68
88
93
94
96
98
98
98
98
98
98
94
92
92
89
86
82
79
72

Pressure (mb)

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

Ozone (du)

391
392
389
390
391
389
390
394
398
397
397
403
408
413
416
419
423
425
427
428
428
428
429
428

Wednesday 22

Waxing Crescent 37%

No Rise

02:28

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 OK
07 OK
08 OK
09 OK

Sun - Rise: 05:54, Set: 19:55, Transit: 12:55. Moon - Rise: No Rise, Set: 02:28. Civil Dark: 20:27 - 05:21. Nautical Dark: 21:07 - 04:41. Astro Dark: 21:51 - 03:57

Total Clouds (% Sky Obscured)

99
86
72
57
54
61
67
74
80
82
82
92
96
90
83
77
69
61
53
44
35
26
36
45

Low Clouds (% Sky Obscured)

99
86
72
57
50
37
24
16
8
0
3
5
7
8
10
11
13
17
21
16
9
1
1
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
22
46
48
43
41
33
21
9
16
24
32
25
21
25
36
45

High Clouds (% Sky Obscured)

0
0
0
0
11
30
48
50
52
52
47
23
14
12
4
6
6
4
5
15
25
26
14
7

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 (%)

9
8
7
5
4
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)

12
12
12
12
13
12
12
12
10
9
7
7
6
6
5
5
4
4
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-7
-7
-7
-1
-2
-2
-2
-1
-1
-6
-6
-5
-6
-7
-7
-8
-7
-7
-8
-8
-8
-1

Dew Point (°C)

-6
-6
-6
-6
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-7
-7

Relative Humidity (%)

66
60
56
52
47
47
47
47
54
64
72
76
81
86
87
85
87
87
87
87
76
67
60
52

Pressure (mb)

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

Ozone (du)

428
427
427
427
426
424
422
420
416
413
409
406
403
399
398
396
394
392
389
387
386
384
383
381

Thursday 23

First Quarter 49%

11:00

03:01

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 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:52, Set: 19:56, Transit: 12:55. Moon - Rise: 11:00, Set: 03:01. Civil Dark: 20:28 - 05:20. Nautical Dark: 21:09 - 04:39. Astro Dark: 21:53 - 03:54

Total Clouds (% Sky Obscured)

54
64
74
84
80
77
73
77
80
83
88
94
100
100
99
99
99
99
100
99
98
97

Low Clouds (% Sky Obscured)

1
1
1
2
13
24
35
36
38
40
31
23
16
12
7
2
24
46
82
73
58
56

Medium Clouds (% Sky Obscured)

54
64
68
58
35
20
10
10
10
12
16
18
20
44
68
92
94
96
98
95
91
88

High Clouds (% Sky Obscured)

6
24
42
60
48
33
12
4
2
3
33
67
100
70
73
80
85
89
94
94
98
97

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
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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
-0
1
1
2
6
6
6
5
6
6
-1
-0
0
-1
-1
-1
-1
-2
-1
-2
-2

Dew Point (°C)

-7
-7
-6
-5
-3
-3
-2
-2
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

46
40
41
41
42
45
47
48
57
68
80
80
80
80
80
81
80
83
84
86
80
76

Pressure (mb)

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

Ozone (du)

380
379
378
378
377
376
374
372
371
370
369
369
368
368
368
368
367
367
367
366
367
368

Forecast for Lac-Lajoie, Lanaudière, Canada (46.46,-74.31)

Generated: 17/04/26 10:39:56. Forecast: 17/04/26 to 23/04/26. Timezone: UTC-4.00