Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 71%

13:37

03:44

07 Good
08 Good
09 OK
10 Bad
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 OK
06 Bad

Sun - Rise: 05:49, Set: 19:56, Transit: 12:54. Moon - Rise: 13:37, Set: 03:44. Civil Dark: 20:29 - 05:17. Nautical Dark: 21:08 - 04:37. Astro Dark: 21:53 - 03:52

Total Clouds (% Sky Obscured)

6
8
40
54
64
98
53
59
46
77
80
100
100
61
87
91
85
78
97
98
100
100
39
99

Low Clouds (% Sky Obscured)

2
2
8
8
2
2
2
2
2
2
2
2
0
0
0
0
4
21
24
8
1
1
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
20
26
67
87
52
81
72
70
41
25
11
0
15
26
13

High Clouds (% Sky Obscured)

6
8
40
54
64
93
53
59
43
76
78
100
100
31
84
90
82
68
67
98
100
100
39
99

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
76
68
59
52
50
47
45
44
44
46
49
60
64
69
70
73
76
79
80
83
85
85
83

Pressure (mb)

1019
1019
1020
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021

Ozone (du)

352
352
349
349
350
351
355
358
360
363
365
369
373
375
375
375
373
372
373
374
375
376
376
377

Sunday 26

Waxing Gibbous 80%

14:50

04:02

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

Sun - Rise: 05:48, Set: 19:58, Transit: 12:53. Moon - Rise: 14:50, Set: 04:02. Civil Dark: 20:30 - 05:15. Nautical Dark: 21:10 - 04:35. Astro Dark: 21:55 - 03:50

Total Clouds (% Sky Obscured)

99
90
88
56
91
97
52
50
47
24
26
2
2
6
9
1
1
1
1
1
3
4
1
0

Low Clouds (% Sky Obscured)

2
7
7
2
8
24
26
21
20
2
2
1
2
6
8
1
0
0
1
0
0
1
0
0

Medium Clouds (% Sky Obscured)

20
8
2
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
55
43
17
72
88
24
50
47
24
26
2
0
0
0
0
0
0
0
1
3
4
1
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 (%)

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

Chance of Frost

Temperature (°C)

4
7
9
11
12
14
15
15
16
16
16
15
13
11
9
9
9
7
6
6
5
5
4
4

Feels Like (°C)

0
3
6
9
10
11
12
13
13
13
13
13
13
10
9
9
8
7
5
5
4
4
3
4

Dew Point (°C)

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

Relative Humidity (%)

79
70
62
57
53
51
49
46
46
48
50
51
63
67
70
77
81
84
85
85
85
86
88
91

Pressure (mb)

1022
1022
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

378
380
381
383
385
386
387
387
386
385
385
384
383
382
379
378
378
380
379
379
380
384
387
388

Monday 27

Waxing Gibbous 88%

16:00

04:19

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

Sun - Rise: 05:46, Set: 19:59, Transit: 12:53. Moon - Rise: 16:00, Set: 04:19. Civil Dark: 20:31 - 05:13. Nautical Dark: 21:12 - 04:33. Astro Dark: 21:57 - 03:47

Total Clouds (% Sky Obscured)

1
0
1
1
2
2
2
7
10
0
0
0
0
0
0
0
1
0
0
0
0
2
13
36

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
1
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
1
1
2
2
2
2
0
0
0
0
0
0
0
0
1
0
0
0
0
2
11
36

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
74
67
62
57
51
47
45
44
44
44
47
59
63
67
72
76
78
82
85
87
88
90
93

Pressure (mb)

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

Ozone (du)

389
387
384
380
379
380
380
379
377
376
375
372
369
368
365
362
359
362
362
359
355
352
352
347

Tuesday 28

Waxing Gibbous 94%

17:08

04:35

07 Bad
08 Bad
09 OK
10 OK
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

Sun - Rise: 05:45, Set: 20:00, Transit: 12:53. Moon - Rise: 17:08, Set: 04:35. Civil Dark: 20:33 - 05:12. Nautical Dark: 21:13 - 04:31. Astro Dark: 21:59 - 03:45

Total Clouds (% Sky Obscured)

52
50
45
41
59
82
100
89
100
100
100
90
90
100
100
100
100
100
100
100
99
99
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
39
71
15
17
55
70
60
50
45
53
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
39
83
56
62
84
60
58
52
43
67
71

High Clouds (% Sky Obscured)

52
50
45
37
56
78
100
89
100
100
100
90
90
100
100
100
100
100
100
98
97
96
97
97

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
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
3
6
3
0
1
8
31
28
37

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
5
7
8
11
13
14
15
15
14
13
13
13
13
13
13
13
11
9
8
7
6
5
4

Chance of Frost

Temperature (°C)

8
10
12
14
16
18
19
19
20
20
19
18
17
16
15
14
12
11
11
10
9
9
8
8

Feels Like (°C)

6
7
9
11
12
13
14
15
16
15
15
14
12
11
10
10
7
6
6
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

90
80
70
61
53
47
45
44
42
41
44
48
49
48
49
50
51
50
49
48
50
53
58
57

Pressure (mb)

1021
1022
1021
1020
1019
1019
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

343
343
342
338
336
339
339
338
340
341
341
341
340
340
341
341
344
346
348
350
353
355
356
360

Wednesday 29

Waxing Gibbous 98%

18:16

04:53

07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 05:43, Set: 20:01, Transit: 12:53. Moon - Rise: 18:16, Set: 04:53. Civil Dark: 20:34 - 05:10. Nautical Dark: 21:15 - 04:29. Astro Dark: 22:01 - 03:43

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)

100
100
100
100
100
100
100
95
92
91
79
68
60
75
79
83
80
76
77
80
84
87
88
90

Medium Clouds (% Sky Obscured)

91
78
71
64
50
38
29
29
29
29
29
30
35
40
50
51
62
74
87
87
89
91
95
98

High Clouds (% Sky Obscured)

98
79
59
27
0
0
0
1
2
5
26
61
99
99
98
98
98
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
6
3
1
1
0
0
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
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

39
36
42
45
38
39
49
56
60
45
46
44
44
59
52
48
53
60
68
71
77
85
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0.2
0
0
0
0.2
0.3
0.4
0.4
0.5
0.8
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
8
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

5
4
5
5
4
4
5
6
6
6
5
5
5
6
6
5
6
5
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

68
75
81
87
85
87
87
88
88
91
93
94
94
95
95
96
98
96
98
98
98
98
98
98

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008

Ozone (du)

364
371
379
385
386
389
390
391
388
384
381
378
376
372
372
373
373
371
370
368
367
367
366
367

Thursday 30

Waxing Gibbous 100%

19:24

05:13

07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 05:41, Set: 20:03, Transit: 12:53. Moon - Rise: 19:24, Set: 05:13. Civil Dark: 20:36 - 05:08. Nautical Dark: 21:17 - 04:27. Astro Dark: 22:03 - 03:41

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)

91
93
95
97
98
99
100
99
98
97
95
93
92
94
97
100
100
100
100
100
100
100
100
100

Medium 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

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
99
99
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.3
1.3
1.4
1.3
1.6
1.8
2
1.6
1.3
1.3
1.1
1.1
1.1
1.1
1.2
1.4
1.1
1
1
0.8
0.7
0.6
0.7
0.8

Wind Speed/Direction (mph)

7
8
8
9
9
9
8
8
8
7
7
8
8
8
9
9
9
8
7
7
7
7
8
9

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
9
9
9
8
8
8
8
7
7
7
7
7
7
8
7

Feels Like (°C)

5
5
5
5
5
4
4
4
6
5
6
6
6
6
6
5
5
5
5
5
4
4
5
4

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
96
96
98
98
98
98
98
96
98
98
98
96
98
98
98
98
98
100
98
98

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006

Ozone (du)

368
369
366
364
362
360
358
356
356
356
356
357
358
360
361
363
364
364
363
363
362
361
361
361

Friday 1

Full Moon 100%

20:33

05:37

07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 05:40, Set: 20:04, Transit: 12:53. Moon - Rise: 20:33, Set: 05:37. Civil Dark: 20:37 - 05:07. Nautical Dark: 21:18 - 04:25. Astro Dark: 22:05 - 03:38

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
97
94
92
92
92
93
95
98
100
98
97
96
96
96
96
97
98
99

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
76
64

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
69
54

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
92
90
93

Precipitation Amount (mm)

0.8
0.9
1
1
0.9
0.8
0.7
0.7
0.7
0.8
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
5
5
6
6
6
6
5
5
5
5
5
5

Feels Like (°C)

4
5
1
1
-1
-1
-1
-1
0
-0
-0
-0
-0
-0
-0
0
0
0
0

Dew Point (°C)

5
5
5
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

96
94
96
96
96
94
94
96
94
94
94
94
94
94
94
96
96
96
96

Pressure (mb)

1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

361
362
363
364
365
366
366
366
367
368
369
368
368
367
367
368
368
370
372

Forecast for Domaine-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 25/04/26 07:33:44. Forecast: 25/04/26 to 01/05/26. Timezone: UTC-4.00