Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Waning Gibbous 67%

01:44

09:36

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

Sun - Rise: 06:17, Set: 19:28, Transit: 12:53. Moon - Rise: 01:44, Set: 09:36. Civil Dark: 19:58 - 05:47. Nautical Dark: 20:35 - 05:11. Astro Dark: 21:13 - 04:32

Total Clouds (% Sky Obscured)

100
98
79
57
32
5
3
0
0
1
3
0
0
0
2
2
0
0
2
2
0
0
33
4

Low Clouds (% Sky Obscured)

94
74
35
22
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0

Medium Clouds (% Sky Obscured)

51
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
3
1

ISS Passover

Visibility (miles)

3
9
5
2
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 (%)

10
1
22
9
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-9
-7
-5
-5
-5
-7
-10
-11
-12
-12
-12
-11
-11
-10
-10
-11
-11
-12
-12
-11
-11
-10
-9

Relative Humidity (%)

72
59
72
87
89
89
79
66
62
61
62
63
66
71
74
66
54
45
41
38
36
35
35
36

Pressure (mb)

1026
1027
1028
1029
1030
1031
1031
1032
1033
1034
1034
1035
1035
1036
1036
1037
1037
1037
1037
1037
1036
1036
1035
1034

Ozone (du)

446
449
449
448
450
455
456
454
449
440
428
424
411
403
401
400
391
380
373
368
370
373
380
388

Wednesday 8

Waning Gibbous 57%

02:30

10:35

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

Sun - Rise: 06:16, Set: 19:29, Transit: 12:53. Moon - Rise: 02:30, Set: 10:35. Civil Dark: 20:00 - 05:45. Nautical Dark: 20:36 - 05:09. Astro Dark: 21:15 - 04:30

Total Clouds (% Sky Obscured)

2
27
2
3
2
4
19
29
18
64
28
15
9
3
12
2
4
10
19
59
25
25
22
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
0
2
7
13
14
25
25
10
3
0
10
0
1
2
16
17
25
23
21
56

High Clouds (% Sky Obscured)

2
27
2
3
2
4
14
22
4
64
4
4
4
3
4
2
1
4
9
59
5
13
11
73

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
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)

6
6
4
3
4
4
5
6
6
7
7
7
7
7
8
10
12
17
18
20
21
21
22
22

Chance of Frost

Temperature (°C)

5
5
3
2
1
1
1
1
1
1
1
2
2
1
2
4
6
8
10
12
13
14
15
15

Feels Like (°C)

2
3
1
1
-1
-1
-2
-2
-3
-2
-3
-2
-2
-3
-3
-2
-1
1
2
4
4
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

37
41
50
53
55
58
59
60
59
58
57
55
57
57
55
46
40
37
35
35
35
35
35
37

Pressure (mb)

1034
1033
1034
1034
1033
1033
1033
1032
1032
1031
1031
1030
1030
1030
1030
1030
1029
1028
1027
1026
1024
1023
1023
1022

Ozone (du)

392
391
386
380
376
375
371
372
369
368
367
368
370
370
371
373
372
369
366
365
367
367
368
368

Thursday 9

Waning Gibbous 48%

03:08

11:41

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: 06:14, Set: 19:31, Transit: 12:53. Moon - Rise: 03:08, Set: 11:41. Civil Dark: 20:01 - 05:43. Nautical Dark: 20:38 - 05:07. Astro Dark: 21:16 - 04:28

Total Clouds (% Sky Obscured)

97
100
92
95
92
79
85
83
93
96
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
4
54
65
56
59
65
76
87
100
100
100
100
96
86
82
91
73
95
74
81
87
95

Medium Clouds (% Sky Obscured)

62
100
86
80
87
12
72
20
50
41
26
19
24
11
5
43
38
37
99
100
100
99
98
97

High Clouds (% Sky Obscured)

96
100
92
95
65
40
14
34
45
57
70
48
43
70
38
34
99
100
100
100
100
99
98
98

ISS Passover

Visibility (miles)

9
9
9
9
6
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
2
10
45
61
30
25
9
36
8
25
17
17
3
0
0
0
0
6
61
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.2
1.3
2.1
2.2

Wind Speed/Direction (mph)

22
22
21
20
20
20
19
19
17
15
13
13
11
10
9
7
7
7
8
7
5
6
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
42
44
46
53
56
59
60
61
68
64
70
77
75
79
79
79
78
78
78
78
84
91
94

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021

Ozone (du)

365
362
360
361
367
364
368
368
368
365
361
361
363
367
369
368
367
362
355
348
344
340
340
339

Friday 10

Third Quarter 38%

03:39

12:50

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 OK
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 Bad
16 Bad

Sun - Rise: 06:12, Set: 19:32, Transit: 12:53. Moon - Rise: 03:39, Set: 12:50. Civil Dark: 20:02 - 05:42. Nautical Dark: 20:39 - 05:05. Astro Dark: 21:18 - 04:26

Total Clouds (% Sky Obscured)

99
98
96
97
99
100
100
100
100
99
99
98
94
95
83
30
22
78
68
26
39
43
66
67

Low Clouds (% Sky Obscured)

91
88
85
88
95
100
100
100
100
99
99
98
94
95
81
12
7
78
68
9
14
27
54
51

Medium Clouds (% Sky Obscured)

95
48
47
40
37
0
0
0
0
0
0
0
0
0
0
0
0
0
9
21
31
30
29
25

High Clouds (% Sky Obscured)

35
17
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)

2
3
5
8
9
2
7
7
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

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
None
None
None
None

Precipitation Probability (%)

95
95
86
60
46
45
30
26
11
11
22
12
10
8
2
2
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.9
1.1
0.6
0.2
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
3
3
2
3
4
6
6
5
5
5
5
5
5
5
6
7
8
9
10
10
11
10
11

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
4
4
3
3
3
3
1
1
2
4
5
6
7
8
9
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
98
94
96
96
93
88
93
89
91
82
84
83
72
62
55
48
44
40
38
36
35

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1026
1026
1027
1027
1028
1027
1027
1027
1027
1027

Ozone (du)

342
346
350
350
355
360
369
391
396
394
392
393
391
390
385
383
387
393
395
396
397
398
397
392

Saturday 11

Waning Crescent 28%

04:04

14:01

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

Sun - Rise: 06:10, Set: 19:33, Transit: 12:52. Moon - Rise: 04:04, Set: 14:01. Civil Dark: 20:04 - 05:40. Nautical Dark: 20:41 - 05:03. Astro Dark: 21:20 - 04:23

Total Clouds (% Sky Obscured)

66
66
59
6
5
4
4
0
1
6
11
9
75
20
14
43
71
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
31
26
4
2
0
0
0
0
1
2
0
0
0
0
0
0
0
12
22
33
48
64
77

Medium Clouds (% Sky Obscured)

19
10
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
13
41
70
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
35
8
4
37
68
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
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
1
12
17
26

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
4
3
2
3
4
4
4
4
3
3
3
4
6
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

35
36
45
53
57
56
60
61
64
66
71
77
80
84
80
69
62
54
49
51
51
52
56
62

Pressure (mb)

1027
1028
1028
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1033
1033
1033
1033
1032
1032
1031
1031
1030
1029
1029

Ozone (du)

390
389
386
384
381
379
380
386
388
389
385
379
374
373
374
377
376
376
376
373
371
369
365
361

Sunday 12

Waning Crescent 19%

04:25

15:14

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: 06:08, Set: 19:35, Transit: 12:52. Moon - Rise: 04:25, Set: 15:14. Civil Dark: 20:05 - 05:38. Nautical Dark: 20:42 - 05:01. Astro Dark: 21:22 - 04:21

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)

67
49
39
17
4
0
6
11
17
25
34
43
36
27
15
14
14
13
0
0
0
15
30
45

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
93
85
78
87
94
100
99
97
97
99
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
96
92
89
92
96
100
100
100
100
100
100
100
98
97
95
79
66
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
2
1
1
0
3
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

43
58
68
73
70
62
76
81
69
79
95
95
95
95
95
95
95
95
58
31
10
46
68
76

Precipitation Amount (mm)

0
0.3
0.3
0.4
0.3
0
0.3
0.4
0.3
0.5
0.8
0.9
0.8
1.1
1.5
1.2
1
0.8
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

6
6
5
6
6
6
8
8
10
12
12
13
14
14
14
14
15
16
17
16
16
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
5
3
3
3
4
4
4
5
4
4
4
4
4
6
7
8
8
8
8
14
14

Dew Point (°C)

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

Relative Humidity (%)

67
72
77
84
79
73
69
72
76
77
83
87
93
95
96
98
92
87
82
78
73
70
74
79

Pressure (mb)

1028
1027
1025
1024
1023
1022
1021
1020
1019
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1012
1011
1010
1009

Ozone (du)

357
356
354
353
351
350
349
346
344
341
339
337
335
331
327
323
322
321
321
319
318
317
320
323

Monday 13

Waning Crescent 11%

04:45

16:28

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: 06:07, Set: 19:36, Transit: 12:52. Moon - Rise: 04:45, Set: 16:28. Civil Dark: 20:06 - 05:36. Nautical Dark: 20:44 - 04:59. Astro Dark: 21:23 - 04:19

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

49
53
64
70
76
81
79
78
77
75
69
59
71
78
85
91
93
96
88
79
68

Medium Clouds (% Sky Obscured)

67
35
6
13
16
20
22
19
16
11
9
7
10
11
14
27
40
53
62
72
89

High Clouds (% Sky Obscured)

54
47
44
58
66
60
61
23
24
27
30
41
71
75
73
54
36
29
54
74
96

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

59
37
9
38
57
72
72
68
78
59
35
27
30
32
32
48
61
68
75
78
70

Precipitation Amount (mm)

0.2
0
0
0
0.3
0.5
0.5
0.4
0.5
0.3
0
0
0
0
0
0
0.4
0.4
0.5
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
15
15
15
16
17
17
16
16
16
15
15
15
16
16
17
17

Feels Like (°C)

14
13
13
12
13
13
12
12
12
12
14
13
13
13
13
13
12
13
14
14
14

Dew Point (°C)

13
13
13
13
13
13
12
13
13
14
13
13
13
13
14
14
14
15
15
16
16

Relative Humidity (%)

86
82
81
78
81
85
86
85
82
81
81
82
83
86
89
92
93
93
95
93
92

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1008
1008
1008
1008
1007

Ozone (du)

327
325
323
320
320
320
320
320
321
321
321
321
321
320
318
317
316
316
316
316
317

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 07/04/26 16:51:22. Forecast: 07/04/26 to 13/04/26. Timezone: UTC-4.00