Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 76%

00:53

08:42

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Good
23 Good
00 Good
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 OK
14 OK
15 Bad
16 Bad

Sun - Rise: 06:18, Set: 19:28, Transit: 12:54. Moon - Rise: 00:53, Set: 08:42. Civil Dark: 19:58 - 05:48. Nautical Dark: 20:35 - 05:11. Astro Dark: 21:14 - 04:32

Total Clouds (% Sky Obscured)

100
99
98
100
67
8
5
16
71
79
95
93
99
89
90
73
72
77
98
93
36
44
56
56

Low Clouds (% Sky Obscured)

80
73
54
20
2
3
2
2
29
27
6
42
30
28
21
21
23
19
37
35
25
32
50
50

Medium Clouds (% Sky Obscured)

82
75
78
79
58
4
3
11
44
47
93
89
99
85
86
70
71
77
94
88
36
43
5
0

High Clouds (% Sky Obscured)

51
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)

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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-5
-5
-5
-4
-5
-6
-7
-10
-10
-11
-11
-12
-12
-12
-11
-11
-10
-9
-7
-6
-6
-5

Dew Point (°C)

-6
-6
-6
-6
-5
-5
-6
-6
-9
-10
-12
-13
-14
-14
-15
-15
-15
-16
-16
-16
-17
-17
-17
-17

Relative Humidity (%)

53
56
60
67
72
75
75
76
68
62
60
54
53
52
50
48
48
44
41
36
33
30
28
28

Pressure (mb)

1013
1014
1015
1016
1017
1018
1018
1019
1020
1021
1021
1022
1022
1023
1024
1024
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

416
420
418
421
427
430
427
425
423
423
422
420
424
429
437
439
437
436
437
439
443
447
448
451

Tuesday 7

Waning Gibbous 67%

01:48

09:32

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

Sun - Rise: 06:17, Set: 19:29, Transit: 12:54. Moon - Rise: 01:48, Set: 09:32. Civil Dark: 20:00 - 05:46. Nautical Dark: 20:37 - 05:09. Astro Dark: 21:16 - 04:29

Total Clouds (% Sky Obscured)

55
72
22
18
0
0
0
3
3
0
0
0
0
3
46
7
6
6
13
11
28
35
33
37

Low Clouds (% Sky Obscured)

49
66
22
18
0
0
0
1
1
0
0
0
0
0
0
0
0
0
5
4
3
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
1
2
2
7
11
14
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
46
1
4
5
8
0
3
4
0
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-15
-13
-11
-11
-12
-12
-12
-13
-13
-13
-13
-12
-12
-12
-13
-13
-13
-12
-12
-11
-10
-10
-9

Relative Humidity (%)

29
31
38
47
49
49
51
51
50
49
49
49
51
52
52
45
40
38
36
36
35
35
34
35

Pressure (mb)

1026
1027
1028
1029
1031
1031
1032
1033
1033
1034
1034
1034
1035
1035
1035
1036
1037
1037
1036
1036
1035
1035
1034
1033

Ozone (du)

458
459
460
459
458
455
451
442
429
421
421
423
425
423
414
411
406
402
399
394
381
377
376
375

Wednesday 8

Waning Gibbous 57%

02:35

10:31

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

Sun - Rise: 06:15, Set: 19:31, Transit: 12:53. Moon - Rise: 02:35, Set: 10:31. Civil Dark: 20:01 - 05:44. Nautical Dark: 20:38 - 05:07. Astro Dark: 21:18 - 04:27

Total Clouds (% Sky Obscured)

45
53
62
55
40
64
51
58
49
43
27
44
67
70
62
63
69
76
67
65
89
94
100
100

Low Clouds (% Sky Obscured)

14
15
8
13
3
10
3
4
5
1
1
1
1
2
1
1
0
0
0
0
0
7
13
20

Medium Clouds (% Sky Obscured)

17
25
38
42
40
53
51
58
41
34
20
22
42
42
38
36
49
51
31
55
74
94
100
100

High Clouds (% Sky Obscured)

7
4
2
5
5
6
4
3
12
16
4
21
5
10
5
5
6
3
37
42
82
45
100
100

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
1
0
0
0
0
0
0
0
0
8
13
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)

11
9
7
6
6
6
7
7
8
9
9
8
8
8
8
10
12
13
16
17
18
19
19
18

Chance of Frost

Temperature (°C)

5
5
3
2
1
1
1
1
1
1
1
1
1
1
1
3
4
6
8
10
11
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
44
53
54
56
57
61
64
62
65
67
69
70
73
71
62
54
48
45
44
44
42
41
45

Pressure (mb)

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

Ozone (du)

374
378
384
384
378
376
376
379
375
370
367
365
366
364
363
363
362
362
359
362
362
362
365
361

Thursday 9

Waning Gibbous 48%

03:12

11:37

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:13, Set: 19:32, Transit: 12:53. Moon - Rise: 03:12, Set: 11:37. Civil Dark: 20:03 - 05:42. Nautical Dark: 20:40 - 05:05. Astro Dark: 21:19 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
87
72
53
56
61
60
76
89
100
98
96
95
95
96
96
96
95
95

Low Clouds (% Sky Obscured)

34
87
100
98
97
94
80
70
53
27
57
42
43
70
80
81
85
89
92
92
96
59
68
57

Medium Clouds (% Sky Obscured)

82
75
70
100
99
88
82
70
47
24
46
0
0
31
9
21
75
88
87
84
80
60
51
60

High Clouds (% Sky Obscured)

87
73
50
29
8
10
5
5
1
24
38
47
64
81
100
72
36
11
15
15
20
15
15
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

22
29
42
37
42
41
48
41
16
13
10
34
5
7
37
43
62
41
36
39
16
10
3
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
17
16
15
14
14
13
12
11
10
10
10
9
8
7
7
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
46
48
51
52
60
58
70
79
71
71
75
85
80
82
83
85
88
87
87
82
72
64
60

Pressure (mb)

1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021

Ozone (du)

358
358
357
358
361
362
364
364
364
363
362
363
361
361
362
363
359
356
354
346
344
343
337
333

Friday 10

Third Quarter 38%

03:42

12:47

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 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 06:11, Set: 19:33, Transit: 12:53. Moon - Rise: 03:42, Set: 12:47. Civil Dark: 20:04 - 05:40. Nautical Dark: 20:41 - 05:03. Astro Dark: 21:21 - 04:22

Total Clouds (% Sky Obscured)

93
90
87
86
87
90
88
88
90
90
91
95
94
60
40
42
44
46
43
38
32
40
41
45

Low Clouds (% Sky Obscured)

41
74
80
76
77
80
76
75
75
75
75
82
89
58
40
35
23
15
19
26
32
26
21
17

Medium Clouds (% Sky Obscured)

51
39
29
25
24
20
5
9
10
10
9
9
7
3
0
13
26
40
27
14
1
14
28
42

High Clouds (% Sky Obscured)

15
10
12
12
20
27
19
9
0
0
0
0
0
0
1
6
10
13
6
3
1
7
13
26

ISS Passover

Visibility (miles)

9
9
6
7
1
1
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
55
80
90
95
95
43
10
2
2
3
2
2
1
0
5
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
0.7
1.3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
72
79
85
95
94
93
91
86
83
83
72
69
67
77
72
64
59
53
49
45
42
40
39

Pressure (mb)

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

Ozone (du)

332
332
335
338
342
342
345
348
350
355
366
382
385
384
386
391
394
397
400
399
399
399
400
402

Saturday 11

Waning Crescent 28%

04:06

14:00

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

Sun - Rise: 06:09, Set: 19:34, Transit: 12:53. Moon - Rise: 04:06, Set: 14:00. Civil Dark: 20:05 - 05:38. Nautical Dark: 20:43 - 05:00. Astro Dark: 21:23 - 04:20

Total Clouds (% Sky Obscured)

35
25
15
13
8
4
4
4
4
7
10
15
22
30
38
57
76
97
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
25
15
13
8
3
2
1
0
0
0
0
0
0
0
0
0
0
1
1
2
9
21
25

Medium Clouds (% Sky Obscured)

28
15
2
1
0
0
0
0
0
5
10
12
14
15
13
14
12
17
44
72
100
100
100
100

High Clouds (% Sky Obscured)

22
11
0
0
1
1
2
2
2
2
2
3
8
14
18
43
68
95
95
97
100
100
100
100

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
8
7

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
13
23
33

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
2
3
3
3
2
2
0
0
1
-0
0
-1
2
2
3
3
3
3
7
7

Dew Point (°C)

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

Relative Humidity (%)

37
44
50
59
62
66
69
70
72
73
73
73
73
69
65
61
57
54
51
50
48
48
53
59

Pressure (mb)

1026
1027
1028
1029
1029
1030
1030
1031
1031
1032
1032
1032
1032
1033
1033
1033
1033
1032
1032
1031
1030
1029
1028
1027

Ozone (du)

403
402
401
400
401
401
402
398
394
389
393
396
400
396
393
389
384
380
375
375
374
373
369
365

Sunday 12

Waning Crescent 19%

04:27

15:13

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:07, Set: 19:36, Transit: 12:52. Moon - Rise: 04:27, Set: 15:13. Civil Dark: 20:07 - 05:36. Nautical Dark: 20:45 - 04:58. Astro Dark: 21:25 - 04:18

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

5
5
5
39
58
76
73
69
65
62
59
65
52
38
30
38
46
57
71
86
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
98
96
95
93
95
98
100
90
80
70
79
89
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
90
72
58
56
55
52
67
81
89

ISS Passover

Visibility (miles)

7
5
4
3
4
4
5
4
3
3
2
1
0
0
0
0
0
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

Precipitation Type

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

Precipitation Probability (%)

56
76
95
95
95
95
95
95
95
95
95
92
84
75
52
34
34
49
52
55
57

Precipitation Amount (mm)

0
0.4
0.6
1.1
1.5
1.7
1.6
1.3
0.9
0.9
0.7
0.4
0.4
0.4
0
0
0
0
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
7
8
8
8
8
8
8
8
8
7
7
7
7
8
9
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
73
79
87
88
91
93
96
96
100
98
98
98
100
100
100
98
98
98
98
100

Pressure (mb)

1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1016
1015
1014
1014
1014
1014
1013
1013
1013
1012
1011

Ozone (du)

361
358
355
352
350
348
346
344
342
340
337
334
331
331
331
331
330
329
328
327
325

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 06/04/26 17:57:22. Forecast: 06/04/26 to 12/04/26. Timezone: UTC-4.00