Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 90%

17:05

03:10

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

Sun - Rise: 05:04, Set: 20:24, Transit: 12:44. Moon - Rise: 17:05, Set: 03:10. Civil Dark: 21:00 - 04:28. Nautical Dark: 21:47 - 03:40. Astro Dark: 22:47 - 02:40

Total Clouds (% Sky Obscured)

94
99
97
97
95
95
80
90
97
95
84
96
97
97
98
97
92
96
92
95
97
100
99
80

Low Clouds (% Sky Obscured)

68
53
53
57
35
46
43
55
75
71
72
89
89
90
97
94
85
88
82
80
90
81
75
67

Medium Clouds (% Sky Obscured)

32
29
34
43
43
45
70
51
63
61
61
70
81
64
65
59
41
43
48
47
55
61
57
55

High Clouds (% Sky Obscured)

27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
9
9
9
9
7
2
2
7
7
3
5
8
9
8
6
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
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
9
20
35
31
15
29
34
39
55
41
25
24
32
48
57
65
70
73
72
58
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0.3
0.4
0.4
0.5
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
16
14
13
12
12
12
12
11
11
11
11
11
11
12
12
12
13
13
13
13

Feels Like (°C)

19
18
18
16
15
13
12
12
11
11
10
10
10
9
9
9
8
9
9
10
10
11
10
9

Dew Point (°C)

13
14
14
13
12
12
11
12
11
12
11
11
11
11
10
11
11
11
11
12
12
11
11
11

Relative Humidity (%)

58
68
71
74
77
86
92
95
95
96
96
98
98
100
98
98
96
96
95
96
90
87
89
89

Pressure (mb)

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

Ozone (du)

351
354
361
361
366
371
371
374
379
390
400
400
399
399
400
398
400
403
406
407
406
403
402
399

Thursday 28

Waxing Gibbous 95%

18:13

03:33

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

Sun - Rise: 05:03, Set: 20:25, Transit: 12:44. Moon - Rise: 18:13, Set: 03:33. Civil Dark: 21:01 - 04:27. Nautical Dark: 21:49 - 03:39. Astro Dark: 22:49 - 02:38

Total Clouds (% Sky Obscured)

87
87
87
94
92
96
93
100
100
98
100
99
99
99
100
99
71
92
96
99
100
100
100
100

Low Clouds (% Sky Obscured)

69
71
65
68
62
36
53
35
60
71
74
64
64
44
43
52
50
72
83
84
84
100
100
100

Medium Clouds (% Sky Obscured)

37
36
36
34
36
35
36
71
61
84
81
69
68
83
75
76
18
28
61
95
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
5
86
74
100
55
64
100
67
63
87
98
96
21
6
26
4
89
100
100
100

ISS Passover

Visibility (miles)

8
5
7
8
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
2
2
2

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

Precipitation Probability (%)

48
51
39
29
18
8
7
9
36
52
54
45
26
17
17
16
18
20
12
41
95
95
95
95

Precipitation Amount (mm)

0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
2.7
3.4
2.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
83
92
93
95
96
96
96
96
96
98
96
96
98
98
95
90
79
66
53
54
88
96
95

Pressure (mb)

1012
1012
1012
1013
1013
1014
1014
1013
1013
1012
1012
1012
1012
1011
1012
1011
1011
1011
1010
1008
1007
1006
1006
1004

Ozone (du)

399
399
395
399
397
397
395
388
382
380
382
383
385
384
383
382
384
386
387
386
386
389
389
392

Friday 29

Waxing Gibbous 99%

19:20

04:02

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

Sun - Rise: 05:03, Set: 20:26, Transit: 12:45. Moon - Rise: 19:20, Set: 04:02. Civil Dark: 21:02 - 04:26. Nautical Dark: 21:50 - 03:38. Astro Dark: 22:50 - 02:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
82
100
99
65
64
72
85
90
75
58
65
97
96
95
91

Low Clouds (% Sky Obscured)

100
100
99
100
98
92
67
75
63
53
66
87
65
50
55
54
68
63
51
45
63
33
35
33

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
74
74
76
85
9
9
9
17
21
13
8
46
36
51
52
52

High Clouds (% Sky Obscured)

1
20
20
15
20
20
30
88
95
58
100
4
2
12
24
1
0
0
2
5
77
43
13
7

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
68
33
8
8
2
3
3
1
2
1
0
0
0
0
0

Precipitation Amount (mm)

2.6
3
1.1
0.9
1.1
1.3
1.2
1.1
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
9
9
8
8
8
7
7
7
6
5
5
5
5
6
7
9
12
14
15
15
16

Feels Like (°C)

8
7
7
7
6
5
5
4
3
3
3
3
2
2
2
2
2
3
5
8
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
93
95
96
98
96
98
94
94
96
98
94
96
93
86
84
59
45
40
37
36
36

Pressure (mb)

1003
1002
1003
1003
1004
1005
1006
1007
1008
1010
1011
1012
1013
1014
1016
1016
1017
1018
1018
1018
1017
1017
1017
1016

Ozone (du)

401
407
418
422
423
422
419
408
405
407
408
409
410
410
408
407
407
403
399
396
398
397
395
395

Saturday 30

Waxing Gibbous 100%

20:25

04:37

16 Bad
17 Bad
18 OK
19 OK
20 OK
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

Sun - Rise: 05:02, Set: 20:27, Transit: 12:45. Moon - Rise: 20:25, Set: 04:37. Civil Dark: 21:03 - 04:25. Nautical Dark: 21:51 - 03:37. Astro Dark: 22:52 - 02:35

Total Clouds (% Sky Obscured)

87
51
40
34
40
58
43
44
39
41
82
63
92
95
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
14
13
19
14
42
10
12
7
10
11
11
10
8
6
8
6
59
62
73
70
89
23
24

Medium Clouds (% Sky Obscured)

57
51
40
34
39
42
43
44
39
41
43
40
83
78
87
92
93
85
99
99
100
100
99
98

High Clouds (% Sky Obscured)

4
2
3
5
4
2
0
0
0
0
3
6
8
39
69
100
92
84
80
88
94
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
8
9
5
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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
12
0
0
0
0
0
0
0
3
0
5
14
5
10
15
29
41
57
54
51
53

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)

11
10
8
7
4
2
1
2
2
2
2
3
3
4
3
3
4
4
4
5
6
8
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
4
6
7
8
8
7
7
7
6
6
6
5
5
6
6
7
6
7
8
6
9
11
11

Relative Humidity (%)

38
44
52
63
80
90
91
91
91
93
93
94
94
94
94
85
76
65
60
58
51
73
79
70

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015

Ozone (du)

395
395
393
395
403
407
408
408
407
404
403
403
400
398
398
397
398
398
398
395
397
398
400
401

Sunday 31

Full Moon 99%

21:25

05:21

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

Sun - Rise: 05:01, Set: 20:28, Transit: 12:45. Moon - Rise: 21:25, Set: 05:21. Civil Dark: 21:04 - 04:25. Nautical Dark: 21:52 - 03:36. Astro Dark: 22:54 - 02:34

Total Clouds (% Sky Obscured)

100
100
99
99
92
87
80
87
94
100
98
96
94
90
88
86
88
91
93
96
99
100
93
89

Low Clouds (% Sky Obscured)

27
30
54
39
35
66
59
46
60
65
76
80
85
80
76
75
87
91
93
96
97
97
85
75

Medium Clouds (% Sky Obscured)

94
96
96
96
85
73
65
80
90
100
90
81
71
71
70
75
77
77
73
55
32
9
8
8

High Clouds (% Sky Obscured)

100
92
83
73
59
43
28
59
82
100
82
63
45
50
55
60
59
57
54
47
33
9
18
17

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

70
83
88
71
58
52
46
36
32
16
35
31
38
38
38
10
43
51
51
57
60
54
64
70

Precipitation Amount (mm)

0.3
0.6
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
11
8
9
9
8
7
8
7
7
7
7
8
9
10
11
11
11
11
11
11
14

Dew Point (°C)

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

Relative Humidity (%)

60
78
87
90
93
95
95
96
96
98
96
98
96
98
96
95
91
90
89
86
83
79
76
76

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013

Ozone (du)

403
403
403
405
406
407
407
410
410
411
410
409
410
410
410
410
409
409
410
410
410
411
411
409

Monday 1

Waning Gibbous 97%

22:17

06:14

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

Sun - Rise: 05:01, Set: 20:28, Transit: 12:45. Moon - Rise: 22:17, Set: 06:14. Civil Dark: 21:05 - 04:24. Nautical Dark: 21:54 - 03:35. Astro Dark: 22:56 - 02:33

Total Clouds (% Sky Obscured)

87
91
93
94
96
98
100
100
100
100
99
99
100
96
87
71
54
49
54
50
51
52
66
76

Low Clouds (% Sky Obscured)

70
68
69
67
68
66
64
62
61
59
66
72
82
77
72
66
54
49
54
50
51
52
66
76

Medium Clouds (% Sky Obscured)

7
21
34
50
67
83
97
96
95
94
90
84
78
69
61
53
51
38
34
25
16
12
15
24

High Clouds (% Sky Obscured)

17
24
40
49
66
81
100
95
91
86
82
79
77
64
43
23
50
49
54
50
51
52
36
22

ISS Passover

Visibility (miles)

6
5
7
8
9
7
5
2
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

69
81
95
95
94
82
74
62
52
48
44
42
42
45
49
55
56
57
60
76
87
94
94
94

Precipitation Amount (mm)

0.3
0.4
0.7
1
0.7
0.5
0.4
0.3
0
0.2
0
0
0
0
0
0.3
0.2
0.2
0.2
0.4
0.5
0.7
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
82
86
92
92
93
95
95
95
96
96
94
94
91
88
86
71
60
50
57
66
75
80

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1014

Ozone (du)

407
405
404
404
403
404
405
406
407
409
411
412
414
416
417
419
421
422
422
423
421
420
418
417

Tuesday 2

Waning Gibbous 92%

23:01

07:15

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:00, Set: 20:29, Transit: 12:45. Moon - Rise: 23:01, Set: 07:15. Civil Dark: 21:06 - 04:24. Nautical Dark: 21:55 - 03:35. Astro Dark: 22:57 - 02:31

Total Clouds (% Sky Obscured)

88
91
95
98
83
68
53
60
71
85
88
85
74
76
82
91
91
94
97
97
100
96

Low Clouds (% Sky Obscured)

88
91
95
94
71
48
28
31
32
34
17
16
14
12
16
20
38
53
67
73
74
77

Medium Clouds (% Sky Obscured)

29
48
71
91
71
54
38
38
39
40
38
34
30
24
18
13
12
10
9
8
7
5

High Clouds (% Sky Obscured)

19
28
38
40
20
6
2
0
0
0
0
0
0
9
19
28
21
15
8
6
5
5

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

93
81
69
55
50
38
3
12
12
9
13
14
12
14
13
13
15
15
11
12
11
7

Precipitation Amount (mm)

0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
13
8
8
8
7
7
7
7
7
7
7
7
7
8
8
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

83
89
90
90
91
93
95
96
98
96
98
98
98
98
96
96
96
93
90
86
79
73

Pressure (mb)

1014
1015
1015
1016
1017
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1023
1023
1023
1023
1023
1023

Ozone (du)

415
414
413
412
412
411
411
410
410
409
408
406
405
403
401
399
397
395
394
392
392
391

Forecast for View Point, Estrie, Canada (45.37,-71.85)

Generated: 27/05/26 16:44:55. Forecast: 27/05/26 to 02/06/26. Timezone: UTC-4.00