Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 19%

04:27

15:13

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: 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)

80
85
88
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
82
88
77
84
79
92
99
89
100
94
95
89
93
78
87
59
65
96
95
100
99
83
99

Medium Clouds (% Sky Obscured)

80
85
88
91
100
98
97
98
100
100
100
100
100
100
99
96
59
100
100
100
100
90
96
100

High Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
45
100
100

ISS Passover

Visibility (miles)

9
9
6
9
9
9
7
7
6
5
9
1
2
2
9
9
9
9
9
4
3
8
1
0

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

Precipitation Probability (%)

12
12
9
55
29
43
67
85
95
95
95
95
95
95
95
95
59
29
64
95
95
95
95
49

Precipitation Amount (mm)

0
0.4
0.3
0.2
0
0
0.2
0.4
0.8
1
3.3
3.7
4
2.7
2
0.9
0.2
0
0.3
1.7
0.7
0.6
0.7
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-2
2
2
2
2
3
3
4
4
5
5
6
7
6
7
7
7
9
10
10
10
10
11

Relative Humidity (%)

50
54
74
79
80
78
82
88
91
93
93
94
94
94
91
91
90
88
91
91
95
95
96
98

Pressure (mb)

1027
1027
1026
1025
1024
1024
1022
1020
1019
1017
1015
1013
1012
1010
1009
1009
1008
1008
1007
1006
1004
1004
1004
1003

Ozone (du)

366
366
362
357
350
342
344
342
339
337
334
331
330
330
324
319
322
326
329
330
332
330
326
329

Monday 13

Waning Crescent 11%

04:46

No Set

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: 06:06, Set: 19:37, Transit: 12:52. Moon - Rise: 04:46, Set: No Set. Civil Dark: 20:08 - 05:34. Nautical Dark: 20:46 - 04:56. Astro Dark: 21:27 - 04:15

Total Clouds (% Sky Obscured)

100
95
100
100
100
100
71
60
47
42
52
92
74
80
92
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
89
100
100
100
100
71
60
47
42
52
78
54
67
86
87
76
90
99
74
78
69
96
100

Medium Clouds (% Sky Obscured)

11
5
46
19
36
18
11
0
0
0
2
20
0
0
0
7
64
100
100
100
100
91
100
100

High Clouds (% Sky Obscured)

96
55
0
0
0
0
0
0
0
0
3
4
3
26
78
100
100
100
100
100
90
100
99
99

ISS Passover

Visibility (miles)

8
9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
9
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
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
Light Rain

Precipitation Probability (%)

12
20
32
30
22
20
5
1
2
0
0
1
0
10
0
0
0
0
16
95
95
95
80
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
2.2
0.7
0
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
92
93
92
92
87
86
89
90
90
91
91
88
87
85
84
81
77
71
73
85
90
93
93

Pressure (mb)

1003
1004
1005
1006
1007
1009
1010
1011
1012
1013
1014
1015
1016
1015
1016
1017
1017
1017
1017
1015
1013
1013
1011
1010

Ozone (du)

339
337
334
337
333
337
340
344
344
338
333
332
333
334
335
337
337
338
333
332
329
329
332
332

Tuesday 14

Waning Crescent 5%

05:04

16:27

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: 06:04, Set: 19:38, Transit: 12:52. Moon - Rise: 05:04, Set: 16:27. Civil Dark: 20:10 - 05:32. Nautical Dark: 20:48 - 04:54. Astro Dark: 21:29 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
91
82
90
89
92
100
100
100

Medium Clouds (% Sky Obscured)

100
91
81
74
60
35
49
44
51
56
69
72
65
90
100
97
97
100
87
47
93
99
98
100

High Clouds (% Sky Obscured)

100
98
100
88
14
9
0
19
49
33
73
100
100
100
100
100
100
100
100
70
100
96
97
99

ISS Passover

Visibility (miles)

1
6
8
9
8
8
8
8
9
9
9
8
9
1
1
1
5
3
2
1
8
9
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

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

Precipitation Probability (%)

95
95
54
55
33
26
24
16
0
0
5
6
65
95
91
95
58
93
90
77
65
37
19
18

Precipitation Amount (mm)

1.3
1.7
0
0.2
0
0
0
0
0
0
0
0
0.4
0.9
0.7
0.8
0.2
0.9
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
6
6
7
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
8

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
6
6

Relative Humidity (%)

96
96
96
98
98
98
98
98
96
96
96
96
96
100
100
98
100
100
100
98
96
94
93
90

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

331
334
337
335
340
341
340
342
338
335
335
333
333
334
334
336
336
332
330
327
326
326
326
325

Wednesday 15

Waning Crescent 1%

05:22

17:44

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: 06:02, Set: 19:40, Transit: 12:52. Moon - Rise: 05:22, Set: 17:44. Civil Dark: 20:11 - 05:31. Nautical Dark: 20:49 - 04:52. Astro Dark: 21:31 - 04:11

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
100
100

Low Clouds (% Sky Obscured)

79
75
68
97
98
98
98
99
99
100
100
100
97
98
57
26
25
20
15
14
19
19
95
91

Medium Clouds (% Sky Obscured)

100
91
78
44
51
49
50
49
44
43
44
44
40
42
56
90
96
98
100
78
50
20
24
32

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
71
42
17
39
59
76
84
91
100
100
100
100
100
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
9
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
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

12
8
4
2
19
24
25
29
26
18
18
17
12
29
40
50
53
54
45
36
25
24
95
95

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
0.6
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
90
91
93
94
94
96
94
93
91
91
93
91
93
88
83
79
75
68
68
65
76

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1009
1008
1007

Ozone (du)

323
323
321
322
321
321
322
324
324
324
323
322
320
322
321
321
321
322
322
323
322
321
322
319

Thursday 16

Waning Crescent 0%

05:44

19:04

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: 06:00, Set: 19:41, Transit: 12:51. Moon - Rise: 05:44, Set: 19:04. Civil Dark: 20:13 - 05:29. Nautical Dark: 20:51 - 04:50. Astro Dark: 21:32 - 04:08

Total Clouds (% Sky Obscured)

100
94
89
83
87
93
100
100
100
100
97
95
96
97
98
100
99
98
97
96
95
93
84
68

Low Clouds (% Sky Obscured)

81
77
76
75
73
78
85
90
95
100
87
76
76
90
64
99
97
97
96
96
95
93
84
68

Medium Clouds (% Sky Obscured)

45
44
39
37
41
48
51
54
60
73
77
27
76
75
55
60
54
43
34
17
10
2
2
1

High Clouds (% Sky Obscured)

100
72
41
17
45
72
100
73
50
25
25
30
30
30
21
35
38
37
31
15
7
0
5
11

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
73
61
48
11
11
44
64
70
77
74
59
39
7
7
4

Precipitation Amount (mm)

0.4
3
0.8
2.5
1.8
1.2
1.4
1.5
1.1
0.5
0.3
0.2
0
0
0
0.4
0.4
0.6
0.6
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
10
10
11
12
12
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10

Relative Humidity (%)

91
95
98
100
100
100
100
95
98
96
98
98
96
96
96
98
96
96
96
96
88
81
75
74

Pressure (mb)

1006
1006
1005
1005
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1008
1009
1010
1011
1011
1012
1013
1013
1014
1014

Ozone (du)

319
320
321
320
320
322
325
325
324
326
327
333
339
348
347
351
355
355
355
355
352
349
346
346

Friday 17

New Moon 2%

06:10

20:28

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

Sun - Rise: 05:58, Set: 19:42, Transit: 12:51. Moon - Rise: 06:10, Set: 20:28. Civil Dark: 20:14 - 05:27. Nautical Dark: 20:52 - 04:48. Astro Dark: 21:34 - 04:06

Total Clouds (% Sky Obscured)

57
46
36
26
32
36
45
61
62
53
48
46
35
34
33
28
32
41
47
54
65
66
77
88

Low Clouds (% Sky Obscured)

57
46
36
26
32
36
45
56
43
35
28
27
20
25
33
28
32
40
37
31
27
19
11
6

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
21
42

High Clouds (% Sky Obscured)

14
8
5
2
10
17
25
23
19
16
31
45
35
34
33
28
29
23
22
19
18
10
34
65

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)

4
5
5
4
4
4
4
4
4
4
4
4
3
3
2
1
2
2
4
6
8
10
13
13

Chance of Frost

Temperature (°C)

15
15
14
13
12
11
11
10
10
9
9
8
8
8
8
9
10
12
14
17
18
20
21
21

Feels Like (°C)

13
12
12
12
12
10
10
10
9
10
10
6
6
6
6
5
5
9
11
11
12
14
14
20

Dew Point (°C)

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

Relative Humidity (%)

73
71
75
80
86
86
87
87
87
87
85
87
87
87
85
82
80
77
74
69
65
61
57
57

Pressure (mb)

1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1013
1013
1012
1011
1009
1008

Ozone (du)

345
345
345
346
346
346
345
344
345
347
348
346
343
341
340
340
339
339
338
338
335
332
329
326

Saturday 18

Waxing Crescent 8%

06:43

21:54

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: 05:57, Set: 19:44, Transit: 12:51. Moon - Rise: 06:43, Set: 21:54. Civil Dark: 20:15 - 05:25. Nautical Dark: 20:54 - 04:46. Astro Dark: 21:36 - 04:04

Total Clouds (% Sky Obscured)

99
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
3
5
17
15
9
14
16
18
13
8
18
44
69
95
97
98
100
95
89
84

Medium Clouds (% Sky Obscured)

63
74
86
98
69
43
26
42
50
45
56
67
78
85
91
98
98
99
100
100
100
100

High Clouds (% Sky Obscured)

99
100
97
95
95
91
90
91
95
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
8
6
5
5
6
7
6
5
4
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
12
19
21
32
34
19
30
33
33
43
59
76
81
84
86
86
84
77
77
83
92

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
21
20
19
18
17
16
16
16
16
16
16
15
16
16
16
15
13
11
10
9

Feels Like (°C)

18
17
17
17
17
14
14
14
13
13
12
12
13
12
13
13
12
12
12
11
10
9

Dew Point (°C)

12
13
12
12
12
12
13
13
13
13
13
13
13
13
14
15
15
12
10
7
5
4

Relative Humidity (%)

57
56
59
60
64
70
76
82
82
82
82
83
86
87
87
90
92
86
83
77
72
69

Pressure (mb)

1007
1006
1006
1005
1005
1004
1004
1004
1003
1002
1002
1001
1001
1000
1000
1000
999
1001
1002
1003
1004
1005

Ozone (du)

324
321
321
321
320
320
320
320
319
318
317
317
318
318
319
320
321
321
322
322
324
326

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

Generated: 12/04/26 16:59:51. Forecast: 12/04/26 to 18/04/26. Timezone: UTC-4.00