Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 45%

12:51

23:27

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

Sun - Rise: 05:27, Set: 20:33, Transit: 13:00. Moon - Rise: 12:51, Set: 23:27. Civil Dark: 21:09 - 04:52. Nautical Dark: 21:54 - 04:07. Astro Dark: 22:49 - 03:14

Total Clouds (% Sky Obscured)

84
96
90
63
14
38
41
18
28
19
1
11
88
88
63
89
90
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
20
19
0
3
0
0
4
0
0
0
0
0
0
0
3
19

Medium Clouds (% Sky Obscured)

22
20
13
12
7
22
23
10
8
0
0
0
16
6
4
9
19
22
70
25
2
100
100
100

High Clouds (% Sky Obscured)

1
38
30
1
0
2
2
1
3
0
1
11
84
84
63
83
84
93
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
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
8
8
4
6
6
7
8
8
9
8
7
6
4
2
2
2
3
2
2
4
5
6

Chance of Frost

Temperature (°C)

15
15
15
15
18
20
22
23
24
25
26
27
27
26
26
25
23
21
19
18
17
17
18
18

Feels Like (°C)

15
15
14
15
20
21
22
23
25
25
25
26
27
27
27
26
23
21
20
18
17
16
17
17

Dew Point (°C)

12
12
12
12
12
12
12
12
13
12
12
13
13
16
17
19
17
16
15
14
13
14
14
14

Relative Humidity (%)

80
80
80
78
66
59
54
51
47
44
42
42
43
51
56
69
69
74
78
78
77
79
77
76

Pressure (mb)

1012
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010

Ozone (du)

358
357
357
356
353
352
351
350
348
347
345
343
340
337
334
333
335
332
331
330
330
330
329
329

Tuesday 21

First Quarter 55%

14:00

23:48

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:28, Set: 20:33, Transit: 13:00. Moon - Rise: 14:00, Set: 23:48. Civil Dark: 21:08 - 04:53. Nautical Dark: 21:53 - 04:08. Astro Dark: 22:47 - 03:16

Total Clouds (% Sky Obscured)

100
83
88
96
98
87
75
96
100
100
100
100
100
100
100
100
100
100
100
100
82
82
93
93

Low Clouds (% Sky Obscured)

0
0
27
32
36
22
0
45
67
41
28
20
21
49
52
52
55
69
68
73
65
67
77
77

Medium Clouds (% Sky Obscured)

87
45
69
39
78
41
14
79
98
100
96
100
96
100
100
85
83
90
75
81
38
41
62
64

High Clouds (% Sky Obscured)

100
45
55
79
88
59
60
77
100
100
100
100
100
100
100
100
100
100
100
100
35
37
49
56

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
5
27
4
19
39
53
16
76
95
95
95
95
95
95
74
69
41
59
76

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0.4
0.7
1.8
1.7
3.8
1.4
0.5
0.2
0.4
0
0.3
0.8

Wind Speed/Direction (mph)

8
10
11
12
13
14
16
16
18
16
17
16
17
17
16
15
14
15
14
13
11
9
8
7

Chance of Frost

Temperature (°C)

19
19
19
19
20
21
22
23
24
24
24
24
24
24
23
22
21
21
21
20
20
20
20
20

Feels Like (°C)

16
16
15
15
16
17
18
21
20
20
20
20
21
21
21
20
20
20
19
19
19
20
20
19

Dew Point (°C)

13
13
13
13
14
15
15
17
15
18
18
19
18
21
22
21
21
21
21
20
20
20
20
19

Relative Humidity (%)

70
69
71
70
70
68
65
66
58
67
72
73
68
87
95
96
98
98
98
96
98
98
98
98

Pressure (mb)

1010
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1002
1002
1002
1001
1001
1001

Ozone (du)

331
332
333
334
333
335
335
335
335
334
339
337
336
333
335
336
335
336
339
340
351
351
353
356

Wednesday 22

Waxing Gibbous 65%

15:07

00:14

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

Sun - Rise: 05:29, Set: 20:32, Transit: 13:00. Moon - Rise: 15:07, Set: 00:14. Civil Dark: 21:06 - 04:54. Nautical Dark: 21:51 - 04:09. Astro Dark: 22:45 - 03:18

Total Clouds (% Sky Obscured)

71
49
68
90
26
54
35
18
18
8
10
53
25
22
27
34
60
92
54
44
49
46
45
51

Low Clouds (% Sky Obscured)

71
49
47
45
26
40
35
18
18
8
10
37
25
22
27
34
60
57
49
44
49
46
35
17

Medium Clouds (% Sky Obscured)

5
0
31
37
2
0
0
18
14
2
10
0
22
20
22
27
28
31
21
19
11
15
17
22

High Clouds (% Sky Obscured)

12
0
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)

6
9
9
4
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

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

Precipitation Probability (%)

60
39
58
55
49
32
11
8
7
7
5
7
5
5
5
13
8
5
2
2
3
0
0
0

Precipitation Amount (mm)

0.4
0
0.3
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
4
3
5
6
9
11
11
13
16
15
14
14
14
13
11
10
9
9
8
9
9
9
9

Chance of Frost

Temperature (°C)

20
19
19
20
20
21
22
22
23
23
23
23
22
21
20
19
18
17
16
15
14
14
14
14

Feels Like (°C)

20
21
20
21
21
22
21
21
21
20
20
20
20
19
19
19
18
16
15
16
15
15
14
13

Dew Point (°C)

19
19
18
19
19
18
17
14
13
12
12
13
13
13
14
14
13
13
13
14
13
13
12
11

Relative Humidity (%)

98
98
95
95
95
84
74
57
51
50
50
53
57
58
65
70
74
78
79
92
93
90
86
83

Pressure (mb)

1001
1001
1001
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1006
1007
1007
1008
1009
1010
1010
1011
1011
1012
1012

Ozone (du)

360
365
367
373
374
375
368
369
370
369
369
370
368
366
365
363
363
363
365
364
364
363
359
359

Thursday 23

Waxing Gibbous 74%

16:14

00:45

04 Bad
05 Bad
06 OK
07 OK
08 Bad
09 Bad
10 Bad
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 OK
01 OK
02 OK
03 OK

Sun - Rise: 05:30, Set: 20:31, Transit: 13:00. Moon - Rise: 16:14, Set: 00:45. Civil Dark: 21:05 - 04:55. Nautical Dark: 21:50 - 04:11. Astro Dark: 22:43 - 03:20

Total Clouds (% Sky Obscured)

62
55
38
20
28
32
41
41
44
40
46
43
57
16
9
0
0
0
0
13
33
44
38
42

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
18
27
28
29
30
16
9
0
0
0
0
8
15
22
15
7

Medium Clouds (% Sky Obscured)

24
16
7
2
28
32
41
13
9
5
8
10
10
7
3
0
0
0
0
9
17
28
22
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
0
2
0
0
0
0
0
0
0
0
0
9
18

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 (%)

1
3
8
34
36
28
23
16
12
12
15
21
18
16
12
3
5
3
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)

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

Chance of Frost

Temperature (°C)

14
14
15
15
16
17
19
21
22
22
23
23
23
23
23
22
21
20
18
17
17
16
16
16

Feels Like (°C)

13
11
12
13
13
15
16
18
19
19
19
21
21
22
22
22
21
20
18
17
16
16
16
17

Dew Point (°C)

11
9
10
11
12
15
17
19
18
17
14
14
13
14
14
14
15
14
12
10
9
10
11
12

Relative Humidity (%)

83
74
75
74
79
86
89
86
77
73
57
56
53
54
55
61
70
69
64
63
62
66
74
80

Pressure (mb)

1012
1013
1013
1014
1015
1015
1015
1015
1015
1016
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

364
379
384
388
389
388
373
371
359
355
355
354
356
359
361
365
366
365
369
368
369
368
366
367

Friday 24

Waxing Gibbous 82%

17:17

01:24

04 OK
05 OK
06 Good
07 Good
08 OK
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

Sun - Rise: 05:31, Set: 20:29, Transit: 13:00. Moon - Rise: 17:17, Set: 01:24. Civil Dark: 21:04 - 04:57. Nautical Dark: 21:48 - 04:12. Astro Dark: 22:41 - 03:22

Total Clouds (% Sky Obscured)

41
28
16
2
23
43
70
61
60
51
79
82
83
83
76
57
58
64
70
64
57
55
48
60

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
23
34
23
12
1
0
2
0
1
1
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
3
1
0
0
0
0
10
20
31
38
43
55
49
43
37
41
41
43
43
54
55
48
31

High Clouds (% Sky Obscured)

26
20
10
0
17
37
55
37
18
2
62
55
57
55
61
40
41
42
48
33
22
2
1
1

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
1
1
1
9
12
9
13
12

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)

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

Chance of Frost

Temperature (°C)

15
15
16
18
19
21
23
25
26
27
28
28
28
28
27
26
24
23
21
20
19
18
17
17

Feels Like (°C)

16
16
17
19
20
23
25
27
29
30
31
29
30
29
28
27
25
24
22
21
20
20
19
16

Dew Point (°C)

13
12
13
14
14
14
14
14
14
14
15
15
15
17
19
19
18
16
14
12
11
10
9
10

Relative Humidity (%)

83
83
83
81
70
64
57
50
46
44
43
43
45
50
62
67
69
66
63
59
59
59
58
61

Pressure (mb)

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

Ozone (du)

368
368
367
367
365
361
357
355
354
355
356
359
359
358
356
357
358
359
359
359
359
358
358
360

Saturday 25

Waxing Gibbous 89%

18:14

02:11

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

Sun - Rise: 05:32, Set: 20:28, Transit: 13:00. Moon - Rise: 18:14, Set: 02:11. Civil Dark: 21:03 - 04:58. Nautical Dark: 21:47 - 04:14. Astro Dark: 22:39 - 03:24

Total Clouds (% Sky Obscured)

67
50
31
16
12
8
5
10
17
20
38
60
84
77
69
41
57
78
97
96
93
92
73
55

Low Clouds (% Sky Obscured)

0
0
2
1
1
1
0
2
5
6
5
2
0
0
0
0
0
0
0
0
0
0
2
4

Medium Clouds (% Sky Obscured)

20
14
10
9
6
4
0
6
13
19
38
60
84
60
37
13
31
47
38
19
18
16
21
21

High Clouds (% Sky Obscured)

1
1
2
3
2
1
0
2
3
4
28
54
80
73
67
41
57
77
97
96
93
92
73
55

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 (%)

5
4
2
0
0
0
0
0
0
0
0
0
0
4
5
3
4
4
0
1
1
1
16
24

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)

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

Chance of Frost

Temperature (°C)

17
16
18
19
20
22
24
26
27
28
29
29
29
29
27
26
24
23
22
21
20
20
20
19

Feels Like (°C)

17
17
17
17
17
23
24
25
26
27
28
32
31
31
31
30
30
23
23
23
23
23
22
19

Dew Point (°C)

10
10
12
13
14
15
16
16
17
17
17
18
18
18
18
18
18
17
16
15
15
15
15
15

Relative Humidity (%)

64
68
67
67
67
62
58
54
52
51
49
50
51
53
58
63
70
69
69
69
70
71
72
75

Pressure (mb)

1018
1018
1018
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

362
364
363
362
361
359
356
353
349
346
342
340
337
335
335
335
335
334
333
332
331
330
328
327

Sunday 26

Waxing Gibbous 94%

19:03

03:08

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:33, Set: 20:27, Transit: 13:00. Moon - Rise: 19:03, Set: 03:08. Civil Dark: 21:02 - 04:59. Nautical Dark: 21:45 - 04:15. Astro Dark: 22:37 - 03:25

Total Clouds (% Sky Obscured)

38
48
62
76
84
92
100
100
100
100
100
100
100
100
100
100
97
94
92
93
95
97

Low Clouds (% Sky Obscured)

5
27
49
70
60
49
39
45
52
59
57
58
59
58
56
50
56
61
57
64
73
78

Medium Clouds (% Sky Obscured)

25
25
25
25
20
20
25
25
30
30
78
93
97
92
93
98
90
79
70
62
51
43

High Clouds (% Sky Obscured)

38
46
50
55
70
85
100
100
100
100
100
100
100
100
100
100
67
35
6
12
23
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4

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

Precipitation Probability (%)

28
52
62
68
60
53
49
43
35
25
49
31
9
23
24
11
24
29
19
29
45
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
18
18
19
20
21
22
22
23
23
23
23
22
22
21
21
21
20
19
19

Feels Like (°C)

19
19
18
17
15
18
18
17
17
18
17
25
24
24
24
25
26
20
21
21
21
22

Dew Point (°C)

15
14
14
14
13
12
11
10
10
9
9
10
11
13
13
14
14
13
13
12
14
15

Relative Humidity (%)

77
78
76
73
71
63
56
49
46
43
40
45
48
54
56
60
63
62
62
59
70
80

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

325
324
323
323
323
323
323
323
323
324
325
324
324
323
323
323
323
324
326
327
328
328

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 20/07/26 04:53:26. Forecast: 20/07/26 to 26/07/26. Timezone: UTC-4.00