Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 96%

18:45

04:14

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

Sun - Rise: 06:10, Set: 19:43, Transit: 12:55. Moon - Rise: 18:45, Set: 04:14. Civil Dark: 20:14 - 05:39. Nautical Dark: 20:51 - 05:02. Astro Dark: 21:31 - 04:22

Total Clouds (% Sky Obscured)

63
70
82
4
10
7
5
17
27
15
8
19
24
17
17
18
22
40
67
78
65
42
54
74

Low Clouds (% Sky Obscured)

46
59
61
0
10
0
2
17
5
0
6
4
12
0
6
13
15
14
13
14
17
24
31
47

Medium Clouds (% Sky Obscured)

35
40
24
1
0
4
2
1
14
11
2
10
10
15
14
13
15
15
14
13
19
26
22
23

High Clouds (% Sky Obscured)

3
47
2
2
0
0
0
0
0
0
2
2
2
0
0
0
0
16
46
58
39
3
10
25

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

Chance of Frost

Temperature (°C)

22
22
22
22
21
20
18
17
16
16
16
16
16
15
15
14
14
14
17
20
21
23
24
24

Feels Like (°C)

21
22
20
21
22
21
19
18
17
17
16
16
16
16
16
16
16
17
19
20
22
25
27
27

Dew Point (°C)

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

Relative Humidity (%)

61
60
61
64
68
77
88
92
92
93
90
92
90
93
93
92
93
92
83
76
69
64
59
56

Pressure (mb)

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

Ozone (du)

333
333
332
334
336
337
335
334
334
332
329
328
326
324
322
322
322
320
317
313
312
312
310
310

Wednesday 26

Waxing Gibbous 99%

19:09

05:24

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

Sun - Rise: 06:11, Set: 19:41, Transit: 12:55. Moon - Rise: 19:09, Set: 05:24. Civil Dark: 20:12 - 05:40. Nautical Dark: 20:49 - 05:03. Astro Dark: 21:29 - 04:24

Total Clouds (% Sky Obscured)

91
96
75
36
40
41
95
92
85
48
77
62
60
53
53
45
52
82
100
100
46
68
75
95

Low Clouds (% Sky Obscured)

53
43
47
7
19
0
6
0
0
0
0
0
0
15
11
7
0
1
4
0
0
0
19
62

Medium Clouds (% Sky Obscured)

30
93
65
18
17
10
7
0
6
13
16
6
18
33
32
24
17
17
25
29
26
17
26
66

High Clouds (% Sky Obscured)

52
36
28
4
40
39
85
90
76
48
73
62
48
53
49
30
52
82
100
100
46
68
50
41

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
7
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
1
26
9
2
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
Very Light Rain
None
None
None

Precipitation Probability (%)

2
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
36
18
21
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
25
24
22
20
19
18
17
17
17
17
16
17
17
17
18
19
21
22
24
25
27

Feels Like (°C)

26
26
26
26
27
25
23
20
19
18
18
16
17
16
17
17
17
17
18
19
20
24
25
26

Dew Point (°C)

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

Relative Humidity (%)

56
58
59
61
65
74
80
81
82
83
82
82
83
86
86
86
85
82
78
73
71
73
60
56

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

310
309
309
310
309
309
309
310
311
311
308
308
308
309
309
308
307
306
306
307
307
307
308
308

Thursday 27

Waxing Gibbous 100%

19:29

06:33

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:12, Set: 19:39, Transit: 12:55. Moon - Rise: 19:29, Set: 06:33. Civil Dark: 20:10 - 05:42. Nautical Dark: 20:47 - 05:05. Astro Dark: 21:27 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
99
40
93
32
16
17
40
40
49
54
68
83
74
57
41
65
58
46
60
50
44

Low Clouds (% Sky Obscured)

70
52
70
60
40
45
29
16
17
40
40
49
54
68
83
74
55
41
46
41
31
21
11
1

Medium Clouds (% Sky Obscured)

86
89
58
26
19
14
0
0
0
13
11
26
32
10
24
20
15
0
6
12
18
12
6
0

High Clouds (% Sky Obscured)

100
75
52
47
40
45
32
3
3
9
0
3
0
1
6
0
0
0
25
0
12
25
25
22

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
63
44
43
52
66
53
66
71
36
18
22
5
4
7
6
5
10
30
51
69
76
72
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
6
4
4
3
4
4
4
5
5
4
4
4
4
6
6
6
6
6
6
7
9
9
10

Chance of Frost

Temperature (°C)

28
26
25
25
24
23
22
20
19
18
18
18
18
19
18
17
17
16
17
18
19
20
20
21

Feels Like (°C)

27
27
27
27
26
26
23
23
21
21
20
21
20
21
20
19
19
19
21
19
21
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

57
66
73
74
73
71
69
79
89
92
90
92
92
90
93
93
92
93
89
83
80
76
75
71

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

309
311
310
311
313
313
312
313
314
313
313
314
317
319
319
319
319
322
320
321
320
317
317
316

Friday 28

Full Moon 99%

19:47

07:44

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

Sun - Rise: 06:13, Set: 19:37, Transit: 12:54. Moon - Rise: 19:47, Set: 07:44. Civil Dark: 20:08 - 05:43. Nautical Dark: 20:45 - 05:06. Astro Dark: 21:24 - 04:27

Total Clouds (% Sky Obscured)

6
6
5
4
0
0
0
2
15
14
0
0
6
12
19
13
7
0
0
0
0
7
13
19

Low Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
4
3
0
0
6
12
19
13
7
0
0
0
0
7
13
19

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
0
0

High 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
0
0

ISS Passover

Visibility (miles)

6
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 (%)

39
15
8
5
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
67
65
68
72
77
75
79
80
71
81
88
90
90
88
87
87
83
72
61
55
49
44
41

Pressure (mb)

1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1023
1024
1024
1024
1024
1023
1022

Ozone (du)

315
315
315
317
319
319
322
326
329
326
320
322
324
325
326
326
326
326
326
325
323
323
321
317

Saturday 29

Waning Gibbous 95%

20:05

08:55

14 OK
15 OK
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: 06:15, Set: 19:36, Transit: 12:54. Moon - Rise: 20:05, Set: 08:55. Civil Dark: 20:06 - 05:44. Nautical Dark: 20:43 - 05:08. Astro Dark: 21:22 - 04:29

Total Clouds (% Sky Obscured)

29
42
54
51
51
57
71
53
81
77
78
78
77
87
100
99
98
96
97
99
100
98
96
94

Low Clouds (% Sky Obscured)

15
7
0
0
0
0
0
0
0
6
12
18
11
26
35
31
28
26
29
34
40
40
39
37

Medium Clouds (% Sky Obscured)

2
5
8
17
25
33
39
45
44
43
53
40
40
58
76
77
77
75
81
88
94
88
83
77

High Clouds (% Sky Obscured)

12
26
41
27
15
9
20
3
15
16
20
18
62
74
82
79
73
65
71
82
90
76
54
35

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
12
14
11
10
7
1
7
8
6

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

Chance of Frost

Temperature (°C)

23
23
23
23
22
20
17
16
15
14
14
15
14
15
15
16
16
17
18
19
20
22
24
25

Feels Like (°C)

22
22
22
22
22
21
18
15
15
13
12
13
12
12
12
13
13
13
14
16
17
18
17
16

Dew Point (°C)

9
9
9
11
13
14
14
12
12
10
9
9
8
8
8
8
9
10
11
12
13
14
13
12

Relative Humidity (%)

40
40
40
45
56
70
78
77
78
74
73
67
67
63
61
59
62
63
65
63
62
61
51
43

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1022
1021
1021
1021
1021
1021
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016

Ozone (du)

316
316
317
318
319
320
320
321
320
320
321
323
322
320
317
314
312
311
310
308
307
305
304
302

Sunday 30

Waning Gibbous 89%

20:24

10:08

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:16, Set: 19:34, Transit: 12:54. Moon - Rise: 20:24, Set: 10:08. Civil Dark: 20:04 - 05:45. Nautical Dark: 20:41 - 05:09. Astro Dark: 21:20 - 04:30

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

31
23
11
18
26
36
41
45
47
64
80
97
93
88
83
72
61
50
61
74
84
85
86
87

Medium Clouds (% Sky Obscured)

71
65
58
67
79
92
92
92
92
94
96
97
94
89
86
85
83
82
78
71
66
74
81
88

High Clouds (% Sky Obscured)

60
80
100
99
97
94
95
97
100
100
100
100
96
90
85
86
87
93
92
89
90
90
94
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
7
9
7
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

28
38
44
50
50
45
51
53
51
69
80
88
95
95
95
95
86
73
73
71
67
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.8
0.9
1
0.8
0.6
0.4
0.4
0.3
0.2
0.6
1
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
26
25
24
24
24
25
18
19
20
20
20
20
18
19
19
19
20
20
22
23
24
23
23

Dew Point (°C)

11
11
12
12
12
12
12
13
14
15
16
17
18
18
19
19
19
20
20
21
21
22
22
21

Relative Humidity (%)

36
40
44
47
51
55
60
64
68
74
80
86
95
96
96
96
96
98
96
98
96
96
96
96

Pressure (mb)

1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

301
300
300
299
299
298
298
298
298
298
297
295
294
293
292
290
290
290
289
290
290
291
292
293

Monday 31

Waning Gibbous 81%

20:45

11:24

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
07 Bad

Sun - Rise: 06:17, Set: 19:32, Transit: 12:54. Moon - Rise: 20:45, Set: 11:24. Civil Dark: 20:02 - 05:47. Nautical Dark: 20:39 - 05:10. Astro Dark: 21:17 - 04:32

Total Clouds (% Sky Obscured)

100
99
99
84
73
60
60
55
60
58
61
52
40
36
36
44
51
55

Low Clouds (% Sky Obscured)

87
87
89
79
67
56
49
39
36
26
30
37
24
21
18
26
38
45

Medium Clouds (% Sky Obscured)

90
88
86
79
68
60
60
55
50
47
44
37
29
21
13
8
5
0

High Clouds (% Sky Obscured)

97
95
94
83
71
60
60
55
55
55
45
40
30
30
25
20
20
20

ISS Passover

Visibility (miles)

4
4
4
4
6
7
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

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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
91
65
59
54
46
35
26
10

Precipitation Amount (mm)

1.5
1.6
1.8
1.5
1.5
1.3
1.4
1.7
1.9
1.1
0.7
0.4
0.3
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
22
22
21
21
21
20
20
20
20
20
19
19
19
20
20

Feels Like (°C)

23
24
23
23
23
24
25
24
24
23
23
23
23
21
22
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

96
94
92
89
91
91
92
91
91
91
91
91
91
91
91
92
89
88

Pressure (mb)

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

Ozone (du)

294
297
300
303
305
306
308
308
308
308
307
307
306
307
307
308
308
309

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

Generated: 25/08/26 14:32:03. Forecast: 25/08/26 to 31/08/26. Timezone: UTC-4.00