Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 58%

02:28

10:21

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

Sun - Rise: 06:06, Set: 19:23, Transit: 12:45. Moon - Rise: 02:28, Set: 10:21. Civil Dark: 19:54 - 05:35. Nautical Dark: 20:31 - 04:58. Astro Dark: 21:11 - 04:17

Total Clouds (% Sky Obscured)

11
15
25
11
16
17
26
21
28
57
57
67
70
58
49
47
65
45
70
90
87
83
43
39

Low Clouds (% Sky Obscured)

11
15
4
3
2
2
1
0
0
13
22
14
1
6
6
13
12
1
0
8
9
8
1
1

Medium Clouds (% Sky Obscured)

2
1
0
8
14
9
23
17
23
37
55
65
45
45
35
27
37
34
41
48
82
77
32
33

High Clouds (% Sky Obscured)

2
4
4
0
0
3
0
2
1
0
0
1
35
5
0
0
0
2
19
40
50
43
4
2

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
1
1
0
1
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
7
9
11
11
11
10
9
6
5
4
4
4
4
4
5
5
5
5
5
6
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-8
-7
-6
-7
-7
-8
-8
-8
-8
-8
-7
-7
-7
-7
-6
-5
-4
-3

Relative Humidity (%)

48
44
45
43
43
44
46
50
60
68
68
68
68
71
72
75
78
76
76
78
74
67
61
55

Pressure (mb)

1036
1035
1035
1034
1034
1033
1033
1033
1034
1034
1035
1035
1035
1035
1035
1034
1034
1033
1033
1033
1033
1032
1031
1030

Ozone (du)

410
404
396
391
387
385
385
383
381
382
381
380
380
375
369
369
370
371
371
370
369
368
366
364

Thursday 9

Waning Gibbous 48%

03:06

No Set

11 OK
12 Good
13 Bad
14 OK
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
10 Bad

Sun - Rise: 06:04, Set: 19:24, Transit: 12:45. Moon - Rise: 03:06, Set: No Set. Civil Dark: 19:55 - 05:33. Nautical Dark: 20:33 - 04:55. Astro Dark: 21:13 - 04:15

Total Clouds (% Sky Obscured)

27
11
60
35
57
51
86
100
100
100
100
96
99
94
93
100
97
90
83
81
61
100
98
100

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
32
48
27
34
54
68
57
59
78
65
78
70
61
75
89
95

Medium Clouds (% Sky Obscured)

20
6
42
20
26
51
48
54
99
100
95
88
59
74
50
50
70
40
50
40
0
0
53
74

High Clouds (% Sky Obscured)

3
3
22
12
41
44
74
100
100
94
100
96
90
24
91
99
20
10
8
5
61
73
50
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
1
0
0
0
0
0
2
11
32
41
18
32
8
2
11
4
26
1
0
0
5
2

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
12
12
14
15
15
15
15
14
14
13
13
14
14
12
12
11
10
8
7
6
5
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
40
39
42
44
49
52
52
53
53
55
56
62
64
74
73
75
78
84
90
90
87
87
88

Pressure (mb)

1029
1028
1026
1025
1024
1023
1022
1022
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

367
369
369
369
369
365
362
362
360
363
369
368
368
362
361
362
364
362
359
359
357
361
365
367

Friday 10

Third Quarter 38%

03:35

11:27

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 OK
09 Bad
10 Bad

Sun - Rise: 06:02, Set: 19:25, Transit: 12:45. Moon - Rise: 03:35, Set: 11:27. Civil Dark: 19:57 - 05:31. Nautical Dark: 20:34 - 04:53. Astro Dark: 21:15 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
99
100
100
100
99
98
97
99
100
98
92
75
58
48
46
62
82

Low Clouds (% Sky Obscured)

73
69
45
69
85
83
83
88
84
87
89
87
84
88
98
100
95
84
64
37
27
36
58
82

Medium Clouds (% Sky Obscured)

68
100
100
100
100
100
94
98
89
81
71
70
68
67
55
26
33
42
22
22
26
18
10
0

High Clouds (% Sky Obscured)

100
100
100
100
100
70
64
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
7
3
4
5
0
0
0
0
0
0
5
4
4
0
5
8
6
5
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
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
None
None

Precipitation Probability (%)

13
44
64
74
95
94
78
69
48
41
44
41
31
29
30
22
18
7
5
4
2
2
6
11

Precipitation Amount (mm)

0
0
0.4
0.5
0.8
0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
87
90
91
94
96
98
98
98
98
96
98
96
93
94
98
100
96
94
94
78
68
63

Pressure (mb)

1022
1021
1021
1020
1020
1020
1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1019
1019
1019
1020
1020
1021
1022
1022

Ozone (du)

364
365
356
347
345
343
344
348
348
349
350
353
354
359
365
372
382
388
388
388
391
397
401
403

Saturday 11

Waning Crescent 28%

03:59

12:37

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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 Good
06 Good
07 OK
08 OK
09 Bad
10 Bad

Sun - Rise: 06:00, Set: 19:27, Transit: 12:45. Moon - Rise: 03:59, Set: 12:37. Civil Dark: 19:58 - 05:29. Nautical Dark: 20:36 - 04:51. Astro Dark: 21:16 - 04:10

Total Clouds (% Sky Obscured)

74
70
68
52
48
50
40
38
4
3
4
4
3
3
6
4
6
8
8
3
20
45
53
55

Low Clouds (% Sky Obscured)

74
69
66
52
48
50
33
31
2
2
2
2
2
1
2
1
1
1
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
3
2
3
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
3
7
10

ISS Passover

Visibility (miles)

6
6
6
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 (%)

8
15
7
11
4
1
0
1
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)

13
13
13
13
12
12
12
10
8
6
5
5
4
4
4
4
3
3
3
4
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
61
55
58
51
48
46
52
59
70
73
74
74
77
77
78
78
80
79
80
74
63
53
48

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1025
1026
1027
1028
1028
1029
1029
1030
1030
1030
1031
1031
1031
1031
1032
1032
1032

Ozone (du)

402
406
404
405
406
410
406
402
400
399
401
402
402
403
405
405
405
409
411
410
411
410
410
406

Sunday 12

Waning Crescent 19%

04:19

13:50

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
10 Bad

Sun - Rise: 05:59, Set: 19:28, Transit: 12:44. Moon - Rise: 04:19, Set: 13:50. Civil Dark: 19:59 - 05:27. Nautical Dark: 20:37 - 04:49. Astro Dark: 21:18 - 04:08

Total Clouds (% Sky Obscured)

58
57
56
67
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
3
2
3
4
54
62
54
24
45
40
35
48
69
94
87
88
86
85
83
81
82
83
85

Medium Clouds (% Sky Obscured)

0
0
29
52
55
48
43
64
77
88
95
100
100
100
100
98
99
100
100
100
100
94
88
83

High Clouds (% Sky Obscured)

12
9
11
44
74
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
23
52
60
44
56
81
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.4
0.8
1
1.2
1.3
1.4
1.7
1.4
1
0.7

Wind Speed/Direction (mph)

6
6
7
7
7
7
7
4
3
3
4
5
6
6
6
7
9
10
11
11
11
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-4
-4
-4
-3
-2
-1
-0
-1
0
2
3
3
3
4
4
5
6
6
8
8
9
9

Relative Humidity (%)

45
44
43
41
40
41
47
54
64
67
72
83
88
89
93
91
91
91
91
91
91
91
91
91

Pressure (mb)

1031
1031
1030
1029
1028
1027
1026
1026
1025
1025
1024
1023
1021
1020
1019
1017
1018
1016
1015
1013
1012
1011
1010
1009

Ozone (du)

401
397
390
385
380
376
372
367
362
359
358
355
352
350
347
347
345
343
341
340
340
340
340
340

Monday 13

Waning Crescent 11%

04:38

15:04

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
10 Bad

Sun - Rise: 05:57, Set: 19:29, Transit: 12:44. Moon - Rise: 04:38, Set: 15:04. Civil Dark: 20:01 - 05:25. Nautical Dark: 20:39 - 04:47. Astro Dark: 21:20 - 04:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
92
88
89
91
93

Low Clouds (% Sky Obscured)

77
69
58
67
83
100
100
100
100
100
100
100
100
100
100
95
90
85
86
84
81
81
80
80

Medium Clouds (% Sky Obscured)

79
79
76
70
72
76
81
87
93
78
70
65
61
57
44
38
32
31
19
20
17
19
21
23

High Clouds (% Sky Obscured)

94
94
91
100
100
79
72
61
51
28
18
4
4
3
3
35
68
100
95
90
85
86
87
87

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
74
78
92
95
95
95
95
95
95
82
84
90
87
73
52
18
14
9
5
1
1
0

Precipitation Amount (mm)

0.7
0.7
0.4
0.4
0.6
0.7
0.7
1
1
0.8
0.7
0.4
0.5
0.6
0.5
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
11
10
9
9
8
9
9
9
9
11
12
14
6
6
7
6
6
5
1
0

Dew Point (°C)

9
10
11
13
13
13
13
13
12
12
12
12
12
11
9
8
8
7
6
5
4
2
2
0

Relative Humidity (%)

91
90
90
90
89
89
89
90
90
93
93
93
93
92
88
87
87
85
85
81
78
74
70
66

Pressure (mb)

1008
1007
1006
1005
1004
1004
1003
1003
1004
1004
1004
1004
1004
1005
1006
1007
1008
1009
1010
1011
1011
1012
1012
1013

Ozone (du)

340
340
341
342
340
339
337
336
334
333
334
335
337
338
339
340
341
342
343
341
339
337
336
335

Tuesday 14

Waning Crescent 10%

04:55

16:18

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: 05:55, Set: 19:31, Transit: 12:44. Moon - Rise: 04:55, Set: 16:18. Civil Dark: 20:02 - 05:23. Nautical Dark: 20:41 - 04:45. Astro Dark: 21:22 - 04:03

Total Clouds (% Sky Obscured)

95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
96
93
89

Low Clouds (% Sky Obscured)

75
61
57
63
71
79
81
84
86
86
86
89
90
90
91
92
93
93
86
79
70

Medium Clouds (% Sky Obscured)

39
55
71
75
78
81
67
56
43
39
36
28
15
10
5
17
28
38
43
48
53

High Clouds (% Sky Obscured)

82
76
72
78
84
100
84
68
52
49
48
45
63
81
95
90
80
71
68
57
46

ISS Passover

Visibility (miles)

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

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
None
None
Light 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
Frozen rai
Snow

Precipitation Probability (%)

9
15
22
66
82
94
90
95
90
88
82
65
52
44
38
33
34
36
49
64
82

Precipitation Amount (mm)

0
0
0
0.4
0.5
0.6
0.6
0.8
0.6
0.6
0.6
0.3
0
0
0
0
0
0
0
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
0
1
2
3
5
7
10
11
11
10
8
8
3
2
-2
-2
-0
-1
-1
-1

Relative Humidity (%)

63
66
69
72
79
88
95
95
95
96
96
96
96
96
96
96
96
94
94
96
94

Pressure (mb)

1013
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

334
333
333
332
337
341
346
348
349
351
348
345
342
343
344
345
345
344
343
343
342

Forecast for Sainte-Marie, Chaudière-Appalaches, Canada (46.41,-71.06)

Generated: 08/04/26 10:45:27. Forecast: 08/04/26 to 14/04/26. Timezone: UTC-4.00