Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 17

Waxing Crescent 6%

05:56

22:10

17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
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: 05:03, Set: 20:17, Transit: 12:41. Moon - Rise: 05:56, Set: 22:10. Civil Dark: 20:54 - 04:26. Nautical Dark: 21:42 - 03:37. Astro Dark: 22:42 - 02:36

Total Clouds (% Sky Obscured)

27
22
20
0
4
3
3
9
27
100
100
82
100
100
88
88
86
96
97
91
81
82
100
100

Low Clouds (% Sky Obscured)

18
14
13
0
0
0
0
0
0
0
0
0
0
0
0
2
30
30
55
62
59
72
100
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
32
69
85
88
85
96
96
44
74
80
69
19

High Clouds (% Sky Obscured)

0
0
3
0
4
3
3
9
27
100
100
82
100
100
78
77
71
58
66
65
67
50
52
4

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
1
1
3
1
1
5
1
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
39
44
48
58
62
58
54
56
56
57
55
55
50
45
41
33
46
52
53
42
40
45
46

Pressure (mb)

1016
1017
1018
1019
1021
1022
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1023
1023
1023
1022
1021
1020
1019
1018

Ozone (du)

377
376
373
373
369
366
365
364
361
358
353
353
351
350
347
344
343
345
345
343
344
341
337
333

Monday 18

Waxing Crescent 13%

07:05

23:20

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: 05:02, Set: 20:18, Transit: 12:41. Moon - Rise: 07:05, Set: 23:20. Civil Dark: 20:55 - 04:25. Nautical Dark: 21:44 - 03:36. Astro Dark: 22:45 - 02:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

100
100
100
97
93
94
98
92
92
85
94
100
100
100
100
100
100
96
100
100
100
100
94
97

Medium Clouds (% Sky Obscured)

15
0
45
40
78
100
100
100
100
100
78
76
68
47
64
66
71
70
58
52
34
65
45
67

High Clouds (% Sky Obscured)

84
13
100
100
93
34
88
100
100
98
100
100
99
100
98
97
90
72
6
11
87
80
44
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
66
48
47
83
67
80
72
52
12
4
3
3
6
1
0

Precipitation Type

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

Precipitation Probability (%)

3
2
23
76
92
95
95
95
95
95
95
78
32
22
10
2
15
17
45
23
16
25
43
95

Precipitation Amount (mm)

0
0
0
0.6
0.5
1.8
3.4
2.4
2.2
2.2
1.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
4
4
5
7
9
10
10
11
11
12
13
13
14
14
14
15
15
15
15
16
15
15

Relative Humidity (%)

50
57
65
67
72
81
93
98
98
100
100
100
100
100
100
100
98
100
98
98
100
100
96
93

Pressure (mb)

1018
1017
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1014
1014
1013
1013
1013
1012
1012
1011
1010

Ozone (du)

327
324
324
324
321
320
321
321
320
321
321
322
324
329
329
330
331
333
338
334
331
331
330
327

Tuesday 19

Waxing Crescent 23%

08:25

00:13

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 OK
12 Bad
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 05:01, Set: 20:20, Transit: 12:41. Moon - Rise: 08:25, Set: 00:13. Civil Dark: 20:57 - 04:23. Nautical Dark: 21:45 - 03:34. Astro Dark: 22:47 - 02:31

Total Clouds (% Sky Obscured)

99
100
98
99
100
100
98
99
100
98
69
97
92
97
94
85
72
92
14
55
14
19
20
15

Low Clouds (% Sky Obscured)

99
100
95
96
97
94
93
96
99
88
69
91
86
92
90
80
68
81
14
53
14
19
20
15

Medium Clouds (% Sky Obscured)

51
52
43
54
58
100
55
5
22
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
35
35
45
99
100
40
24
29
45
3
4
31
4
4
5
0
0
0
5
0
0
0
0

ISS Passover

Visibility (miles)

0
8
0
0
0
0
0
2
6
9
9
9
9
9
8
8
9
8
9
9
9
9
9
9

Fog (%)

0
0
0
45
100
100
100
100
100
100
97
99
96
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

74
37
71
95
95
95
95
50
42
33
30
42
35
35
36
47
43
34
16
1
0
0
0
0

Precipitation Amount (mm)

0.4
0
0.4
1
0.8
1.8
1.2
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
17
17
17
16
16
16
16
16
16
16
17
17
16
15
15
16
15
12

Feels Like (°C)

16
15
17
16
15
16
16
14
15
14
14
14
13
13
13
13
14
14
12
12
11
11
10
6

Dew Point (°C)

16
15
16
16
16
17
17
17
16
16
15
15
15
15
15
15
15
14
12
10
6
4
3
1

Relative Humidity (%)

96
96
98
98
98
98
98
96
96
95
93
95
96
95
93
93
90
81
79
69
54
44
44
46

Pressure (mb)

1010
1009
1008
1008
1007
1006
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1003
1003
1004
1004
1004
1004
1005
1006

Ozone (du)

323
322
324
324
323
324
321
327
326
324
323
323
321
320
321
320
324
326
328
328
326
327
327
329

Wednesday 20

Waxing Crescent 20%

09:48

00:51

17 OK
18 OK
19 OK
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 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK

Sun - Rise: 05:00, Set: 20:21, Transit: 12:41. Moon - Rise: 09:48, Set: 00:51. Civil Dark: 20:58 - 04:22. Nautical Dark: 21:47 - 03:33. Astro Dark: 22:50 - 02:29

Total Clouds (% Sky Obscured)

20
36
38
49
50
50
43
62
76
75
78
74
86
96
88
62
35
30
67
72
47
45
63
33

Low Clouds (% Sky Obscured)

20
36
38
49
50
49
42
61
75
74
78
74
86
96
88
62
35
30
66
69
45
45
61
33

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)

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
1
1
0
1
1
2
5
3
2
1
1
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)

16
16
16
16
15
15
15
15
15
15
14
14
13
13
13
14
13
13
13
13
14
14
15
14

Chance of Frost

Temperature (°C)

11
9
6
4
3
2
1
-0
-1
-1
-2
-3
-3
-3
-2
-1
1
3
4
6
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
53
56
58
62
65
71
75
74
72
71
73
75
72
65
58
48
42
38
36
33
31
31
31

Pressure (mb)

1007
1009
1011
1012
1014
1015
1016
1017
1017
1018
1019
1020
1020
1021
1022
1023
1023
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

330
332
336
344
351
357
360
356
355
360
364
371
380
388
395
400
402
404
406
410
413
415
416
414

Thursday 21

Waxing Crescent 33%

11:09

01:19

17 Bad
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
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: 04:59, Set: 20:22, Transit: 12:41. Moon - Rise: 11:09, Set: 01:19. Civil Dark: 20:59 - 04:21. Nautical Dark: 21:49 - 03:31. Astro Dark: 22:52 - 02:27

Total Clouds (% Sky Obscured)

49
28
25
21
11
2
4
5
4
15
54
84
75
79
97
99
99
100
100
100
100
98
96
95

Low Clouds (% Sky Obscured)

48
21
20
14
6
2
3
4
3
15
50
80
72
77
93
92
92
95
76
52
30
39
49
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
13
10
10
10
15
12
17
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
8
8
17
19
25
19
18
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
2
5
7
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
12
4
6
10
8
1
5
5
3
6
5
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)

15
12
12
11
11
10
10
9
9
7
7
7
6
7
9
9
9
11
12
12
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
0
-1
-2
-2
-2
-3
-2
-3
-4
-3
-2
-1
-1
-1
0
1
1
1
1
8
8

Dew Point (°C)

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

Relative Humidity (%)

31
36
40
42
45
44
45
47
51
59
64
81
77
77
77
86
83
80
78
67
55
47
51
54

Pressure (mb)

1021
1022
1022
1023
1024
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027
1026
1026
1025
1025
1025

Ozone (du)

408
407
405
404
404
403
399
392
387
385
382
380
379
377
375
375
375
376
377
377
377
377
376
375

Friday 22

Waxing Crescent 44%

12:26

01:40

17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Good
23 OK
00 OK
01 OK
02 OK
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: 04:58, Set: 20:23, Transit: 12:41. Moon - Rise: 12:26, Set: 01:40. Civil Dark: 21:01 - 04:20. Nautical Dark: 21:50 - 03:30. Astro Dark: 22:55 - 02:24

Total Clouds (% Sky Obscured)

82
69
56
43
25
9
13
19
25
32
39
49
63
75
83
85
89
97
98
97
98
95
94
93

Low Clouds (% Sky Obscured)

43
29
14
10
7
3
3
4
4
2
1
0
0
0
0
5
10
16
20
27
27
26
22
20

Medium Clouds (% Sky Obscured)

20
22
24
16
9
0
0
0
0
13
25
37
26
16
10
30
50
69
69
62
53
63
73
83

High Clouds (% Sky Obscured)

18
15
23
31
25
9
13
19
25
32
39
37
54
68
78
83
89
90
60
55
55
44
44
53

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

3
3
1
1
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)

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

Chance of Frost

Temperature (°C)

11
10
9
7
6
5
4
4
4
4
4
4
4
6
8
10
12
13
15
15
16
16
16
16

Feels Like (°C)

7
7
7
7
3
4
5
5
5
5
2
2
2
2
1
2
10
10
10
11
11
11
14
13

Dew Point (°C)

4
4
4
4
4
3
3
3
3
2
2
2
2
3
3
3
3
4
4
4
4
4
4
4

Relative Humidity (%)

58
63
72
79
84
86
88
89
89
88
89
88
86
78
69
61
56
52
48
46
43
42
44
43

Pressure (mb)

1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1025
1025
1024
1024

Ozone (du)

374
372
369
367
366
366
366
365
365
364
363
362
360
359
358
357
358
359
360
359
358
356
354
352

Saturday 23

First Quarter 56%

13:39

01:58

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: 04:57, Set: 20:24, Transit: 12:41. Moon - Rise: 13:39, Set: 01:58. Civil Dark: 21:02 - 04:19. Nautical Dark: 21:52 - 03:29. Astro Dark: 22:57 - 02:22

Total Clouds (% Sky Obscured)

90
86
88
92
94
97
96
96
95
95
90
85
90
91
91
94
97
99
99
98
97

Low Clouds (% Sky Obscured)

22
26
30
43
56
60
53
51
50
55
60
65
75
80
80
87
88
90
85
56
35

Medium Clouds (% Sky Obscured)

71
61
50
55
55
47
31
22
16
13
8
10
13
13
16
39
63
86
87
89
91

High Clouds (% Sky Obscured)

65
85
86
91
94
97
96
95
0
0
0
0
3
6
9
17
24
31
36
41
46

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

0
0
0
12
17
19
16
11
1
5
6
3
11
16
21
31
42
54
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1.2
2.1
3.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
8
8
8
8
7
7
5
6
6
7
8
8
8
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

45
50
56
62
68
76
85
85
85
85
87
88
90
90
93
95
95
96
98
100
98

Pressure (mb)

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

Ozone (du)

350
348
347
345
345
345
346
346
347
347
348
348
349
349
350
350
350
349
349
350
350

Forecast for Sainte-Brigitte-de-Laval, Capitale-Nationale, Canada (47.33,-71.14)

Generated: 17/05/26 17:18:23. Forecast: 17/05/26 to 23/05/26. Timezone: UTC-4.00