Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Gibbous 74%

16:14

00:45

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

Sun - Rise: 05:31, Set: 20:31, Transit: 13:00. Moon - Rise: 16:14, Set: 00:45. Civil Dark: 21:05 - 04:57. Nautical Dark: 21:50 - 04:12. Astro Dark: 22:43 - 03:20

Total Clouds (% Sky Obscured)

50
53
58
54
76
75
43
76
73
32
25
12
6
0
0
0
4
2
8
25
54
55
50
2

Low Clouds (% Sky Obscured)

4
2
0
1
3
0
0
0
15
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

24
40
25
26
29
26
0
21
16
21
16
0
0
0
0
0
3
1
7
4
8
0
0
0

High Clouds (% Sky Obscured)

0
0
0
43
47
40
43
52
49
5
4
10
4
0
0
0
0
0
0
18
49
50
45
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
0
0
10
11
2
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
6
8
10
9
11
13
13
13
12
11
9
7
5
6
6
6
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

13
14
16
18
21
22
23
24
25
25
25
24
23
21
18
18
17
16
16
16
15
15
14
14

Feels Like (°C)

13
15
16
18
19
19
20
21
21
22
23
24
24
21
18
17
16
16
15
15
16
15
15
15

Dew Point (°C)

8
8
8
9
9
9
10
12
12
13
13
14
16
14
10
10
8
7
7
5
6
8
9
9

Relative Humidity (%)

75
67
57
54
46
41
43
44
45
47
47
53
63
66
60
61
55
55
54
49
53
61
69
74

Pressure (mb)

1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1022
1022

Ozone (du)

382
382
378
364
358
356
357
357
358
360
361
362
363
366
369
368
368
367
363
358
356
355
355
356

Friday 24

Waxing Gibbous 82%

17:17

01:24

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

Sun - Rise: 05:32, Set: 20:29, Transit: 13:00. Moon - Rise: 17:17, Set: 01:24. Civil Dark: 21:04 - 04:58. Nautical Dark: 21:48 - 04:14. Astro Dark: 22:41 - 03:22

Total Clouds (% Sky Obscured)

20
60
62
7
7
37
34
32
59
58
63
67
91
73
55
57
40
36
25
25
30
40
36
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
16
23
25
24
18
22
0
0
0
0
0
0
0
0
0
0
4
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
0
2
5
25
30
34
37
29
29
23
19
19
20
26
26
25

High Clouds (% Sky Obscured)

18
50
52
6
6
24
18
10
53
52
53
62
89
60
8
36
0
0
0
0
0
0
0
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 (%)

1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
20
22
25
27
28
28
29
30
30
30
29
28
24
23
23
21
20
19
18
17
16
16
16

Dew Point (°C)

11
13
13
13
12
12
12
13
13
14
15
17
20
19
18
17
16
16
15
14
14
13
13
13

Relative Humidity (%)

74
68
60
54
47
43
42
43
42
44
47
57
72
79
84
84
86
88
86
85
86
86
86
83

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

357
359
358
356
355
354
353
352
351
352
347
347
346
349
350
351
350
350
349
349
350
351
350
351

Saturday 25

Waxing Gibbous 89%

18:14

02:11

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

Sun - Rise: 05:33, Set: 20:28, Transit: 13:00. Moon - Rise: 18:14, Set: 02:11. Civil Dark: 21:03 - 04:59. Nautical Dark: 21:47 - 04:15. Astro Dark: 22:39 - 03:24

Total Clouds (% Sky Obscured)

25
21
22
8
0
0
0
0
2
4
7
20
27
67
80
79
61
95
79
85
92
99
87
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
24
26
23
0
0
19
13
5
0
37
36

Medium Clouds (% Sky Obscured)

19
15
16
6
0
0
0
0
0
0
2
20
23
28
25
22
6
19
20
44
59
85
81
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
3
3
4
6
19
50
55
56
90
63
72
81
95
75
59

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
5
7
6
5
5
6
6
6
7
6
6
5
4
4
2
3
2
3
4
4
5
6
6

Chance of Frost

Temperature (°C)

17
20
22
24
25
27
28
28
28
29
28
28
26
23
21
20
19
18
18
17
17
18
18
19

Feels Like (°C)

18
21
22
24
27
29
30
30
30
31
30
31
29
25
22
21
20
19
18
16
16
16
16
16

Dew Point (°C)

14
15
15
15
15
16
16
16
16
15
16
18
19
18
15
15
15
15
14
13
12
11
11
12

Relative Humidity (%)

81
71
64
58
53
50
50
48
45
44
45
57
66
70
67
70
75
80
77
76
71
65
66
66

Pressure (mb)

1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1015
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

349
345
338
335
333
332
330
328
328
328
326
325
323
322
321
320
319
318
319
321
322
324
325
328

Sunday 26

Waxing Gibbous 94%

19:03

03:08

07 Bad
08 Bad
09 Bad
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 OK
04 OK
05 OK
06 OK

Sun - Rise: 05:35, Set: 20:27, Transit: 13:00. Moon - Rise: 19:03, Set: 03:08. Civil Dark: 21:02 - 05:00. Nautical Dark: 21:45 - 04:17. Astro Dark: 22:37 - 03:25

Total Clouds (% Sky Obscured)

66
63
61
44
73
66
95
95
88
96
91
83
75
69
63
53
58
53
59
52
45
31
26
21

Low Clouds (% Sky Obscured)

21
38
16
0
0
5
48
45
20
18
76
70
59
60
60
30
19
0
0
0
0
31
26
21

Medium Clouds (% Sky Obscured)

66
57
61
26
34
26
29
30
29
26
72
60
2
7
15
23
29
39
35
33
23
13
11
21

High Clouds (% Sky Obscured)

46
43
16
18
57
55
74
86
87
96
90
81
73
55
36
21
26
6
12
20
28
4
19
21

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
19
21
23
26
26
28
28
28
29
29
26
26
25
23
23
21
20
20
19
18
17
17
17

Dew Point (°C)

14
16
16
16
16
16
16
17
16
17
18
19
19
18
15
14
14
14
14
15
14
14
13
14

Relative Humidity (%)

71
73
66
60
55
52
50
50
48
49
54
67
70
69
62
64
69
73
75
78
78
78
73
73

Pressure (mb)

1013
1013
1013
1013
1013
1012
1011
1011
1010
1010
1010
1010
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1009
1010

Ozone (du)

333
333
330
329
328
326
325
325
325
325
324
323
323
323
323
323
322
323
324
327
329
329
330
331

Monday 27

Waxing Gibbous 98%

19:44

04:11

07 OK
08 OK
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: 05:36, Set: 20:26, Transit: 13:00. Moon - Rise: 19:44, Set: 04:11. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:44 - 04:18. Astro Dark: 22:35 - 03:27

Total Clouds (% Sky Obscured)

20
35
60
83
82
82
82
80
79
77
63
53
40
57
73
89
92
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
34
27
40
49
64
72
73
76
77
63
53
40
57
65
60
56
55
54
65
67
78
81
80

Medium Clouds (% Sky Obscured)

11
19
60
82
82
81
80
73
49
41
1
1
18
28
39
52
59
67
74
80
86
91
93
96

High Clouds (% Sky Obscured)

20
10
40
50
46
48
44
37
17
32
45
42
40
57
73
89
92
96
100
100
100
99
88
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
8
9
9
9
9
7
2
4
6
7
8
8
8
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
Very Light Rain
Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

5
8
10
11
31
49
87
55
22
21
23
47
79
68
62
58
58
56
57
67
72
73
58
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
23
24
25
26
26
26
26
26
26
25
24
23
22
21
20
20
20
19
20
20
21
21

Feels Like (°C)

18
20
22
23
25
27
28
27
27
27
27
27
25
23
22
21
21
21
21
20
20
21
21
22

Dew Point (°C)

15
16
17
18
19
20
22
25
25
24
24
23
23
22
21
20
19
19
19
19
19
20
20
20

Relative Humidity (%)

74
73
68
68
70
69
77
92
94
91
92
87
89
94
95
94
95
95
95
95
96
96
98
95

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1005
1004
1004
1004

Ozone (du)

331
333
335
336
335
334
332
332
336
337
337
336
334
335
335
336
336
336
335
335
337
338
340
341

Tuesday 28

Waxing Gibbous 100%

20:16

05:19

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: 05:37, Set: 20:25, Transit: 13:00. Moon - Rise: 20:16, Set: 05:19. Civil Dark: 20:59 - 05:03. Nautical Dark: 21:42 - 04:20. Astro Dark: 22:33 - 03:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
70
56
42
44
44
46
44
43
43
42
41
40
52
63
76
82
89
96
96
97
97
96
94

Medium Clouds (% Sky Obscured)

100
87
75
62
54
46
38
53
65
75
69
65
57
60
62
65
70
78
84
87
90
92
88
85

High Clouds (% Sky Obscured)

89
97
100
100
100
100
100
100
100
100
100
100
100
94
87
79
85
92
100
96
92
88
68
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
8
8
9
7
6
5
5
6
7
8
8
9
9
8
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
36
47
60
69
70
68
72
74
76
91
90
87
85
79
69
59
54
48
48
48
46
43
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
22
23
24
25
26
25
25
24
23
22
21
21
20
20
20
20
19
19
19
18
18

Feels Like (°C)

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

Dew Point (°C)

21
21
20
19
18
18
19
20
20
20
19
19
19
19
19
19
19
19
19
19
19
18
18
18

Relative Humidity (%)

95
94
87
79
73
72
72
71
72
72
72
77
81
87
88
89
92
93
95
95
96
96
98
96

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1004

Ozone (du)

341
341
340
339
338
337
335
334
333
332
331
332
332
333
333
332
332
331
330
330
329
329
329
329

Wednesday 29

Full Moon 100%

20:42

06:28

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: 05:38, Set: 20:24, Transit: 13:00. Moon - Rise: 20:42, Set: 06:28. Civil Dark: 20:58 - 05:04. Nautical Dark: 21:41 - 04:21. Astro Dark: 22:31 - 03:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
98
97
97
97
95
93
91
88
82
76

Low Clouds (% Sky Obscured)

93
91
90
90
90
89
89
83
81
80
75
68
64
62
57
55
59
66
73

Medium Clouds (% Sky Obscured)

81
83
84
84
71
54
40
32
28
47
60
57
57
65
67
65
57
49
41

High Clouds (% Sky Obscured)

30
18
11
0
0
4
11
11
12
9
14
19
14
7
1
1
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
7
5
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

Precipitation Type

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

Precipitation Probability (%)

31
37
41
41
60
69
75
69
64
51
46
35
7
10
8
2
5
4
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
19
19
20
20
20
21
20
20
19
19
19
19
18
18

Feels Like (°C)

19
19
19
19
19
19
19
19
21
21
21
21
21
21
18
20
21
20
21

Dew Point (°C)

18
18
17
17
17
17
18
18
18
17
17
17
17
17
17
17
16
16
17

Relative Humidity (%)

98
98
95
93
93
90
91
89
85
82
79
81
86
89
88
86
84
86
90

Pressure (mb)

1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

329
329
331
332
334
334
335
335
335
335
334
335
336
336
336
336
336
339
342

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

Generated: 23/07/26 07:52:24. Forecast: 23/07/26 to 29/07/26. Timezone: UTC-4.00