Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

Full Moon 99%

19:47

07:44

16 Bad
17 Bad
18 OK
19 Good
20 Good
21 Good
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 OK
11 OK
12 OK
13 OK
14 Good
15 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)

44
47
30
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
22
24
20
8
20

Low Clouds (% Sky Obscured)

44
47
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
12
5
4
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
15
17
14
8
20

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
1
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 (%)

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)

10
11
10
7
5
5
5
5
5
5
5
5
4
3
3
3
3
4
4
3
3
4
6
6

Chance of Frost

Temperature (°C)

22
21
20
18
16
14
13
12
11
11
11
10
10
9
9
10
13
17
19
21
23
24
24
25

Feels Like (°C)

19
18
18
17
15
13
13
11
11
11
10
10
10
10
10
11
13
18
20
22
24
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

53
58
59
66
73
75
77
79
80
80
81
80
80
80
80
74
63
57
48
43
39
36
34
34

Pressure (mb)

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

Ozone (du)

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

Saturday 29

Waning Gibbous 95%

20:05

08:55

16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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

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)

24
36
97
60
77
70
62
37
65
65
95
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

2
4
61
51
50
19
10
0
0
0
0
0
25
20
41
46
5
19
25
42
58
36
43
61

Medium Clouds (% Sky Obscured)

22
28
23
3
14
0
13
20
2
0
15
79
82
97
100
100
99
100
100
92
95
97
98
100

High Clouds (% Sky Obscured)

0
3
40
5
6
32
26
18
50
50
95
100
100
100
100
98
85
87
100
78
17
41
45
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
8
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
Very Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
5
16
14
13
5
8
16
26
21
13
11
18
56
58
21
47
50
26
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
26
26
21
18
16
16
16
17
16
16
16
16
17
17
17
18
20
20
21
21
21
20
20

Dew Point (°C)

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

Relative Humidity (%)

34
36
51
57
57
57
55
60
63
61
57
59
63
81
82
81
80
74
52
47
46
55
45
57

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015

Ozone (du)

324
323
322
322
322
321
321
321
321
321
322
320
319
318
319
318
318
316
315
314
312
312
311
311

Sunday 30

Waning Gibbous 89%

20:24

10:08

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 OK
12 OK
13 OK
14 OK
15 OK

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)

100
100
98
98
55
40
42
36
66
78
31
32
31
37
44
49
51
66
50
46
42
35
30
26

Low Clouds (% Sky Obscured)

24
46
30
49
41
40
42
36
66
78
31
32
31
37
44
49
51
66
50
46
42
35
30
26

Medium Clouds (% Sky Obscured)

99
100
93
33
35
34
36
33
36
28
16
19
11
9
11
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
5
23
28
0
1
42
36
15
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
6
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
51
48
50
61
79
95
95
95
95
77
34
47
12
4
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.4
1.4
2.5
1.7
1
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
16
16
16
15
15
16
15
16
16
15
14
14
14
13
13
13
13
11
10
10
10
10
10

Relative Humidity (%)

55
68
74
78
78
83
86
86
90
96
92
93
93
95
95
95
87
79
66
56
51
48
47
47

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

312
313
313
315
316
317
317
318
320
321
326
329
332
333
331
331
330
329
326
323
323
320
318
317

Monday 31

Waning Gibbous 81%

20:45

11:24

16 OK
17 Good
18 Good
19 Good
20 Good
21 OK
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

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)

25
17
8
3
18
35
59
81
79
74
83
87
100
100
100
100
100
90
97
94
89
91
88
82

Low Clouds (% Sky Obscured)

25
17
8
0
0
0
0
0
0
0
12
25
35
45
54
64
59
55
51
41
33
23
27
32

Medium Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
0
21
61
77
80
54
70
68
63
57
58
56

High Clouds (% Sky Obscured)

2
1
0
1
18
35
59
81
79
74
82
83
100
100
99
99
98
85
75
60
40
19
13
6

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
7
9
7
17
20

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)

7
6
5
4
3
2
1
1
1
1
2
1
2
2
2
2
2
3
4
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
22
21
19
17
17
16
15
14
13
13
12
12
10
11
12
13
15
17
19
20
21
22
23

Dew Point (°C)

10
10
11
13
13
12
11
11
10
10
10
10
9
9
10
10
10
10
10
10
10
9
9
9

Relative Humidity (%)

46
47
56
70
79
80
82
82
80
81
83
86
86
87
87
83
75
66
58
53
49
45
43
42

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

317
315
312
310
307
307
307
305
302
300
301
299
299
301
305
307
309
309
306
307
304
304
304
303

Tuesday 1

Waning Gibbous 72%

21:10

12:42

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
14 Bad
15 Bad

Sun - Rise: 06:18, Set: 19:30, Transit: 12:53. Moon - Rise: 21:10, Set: 12:42. Civil Dark: 20:00 - 05:48. Nautical Dark: 20:37 - 05:12. Astro Dark: 21:15 - 04:33

Total Clouds (% Sky Obscured)

80
77
73
66
70
75
80
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
43
49
53
53
53
53
59
65
71
72
75
78
76
76
75
71
68
65
63
61
60
66
72

Medium Clouds (% Sky Obscured)

45
42
43
38
32
32
28
28
27
26
28
31
30
58
45
90
91
90
88
85
82
80
86
92

High Clouds (% Sky Obscured)

0
0
0
0
23
47
70
76
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

23
18
13
8
8
7
4
5
5
3
8
9
7
23
31
41
72
75
77
90
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0.5
0.7
1
1.3
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
23
22
21
21
20
20
20
17
17
17
17
18
19
19
20
20
20
20
21
21
22
21

Dew Point (°C)

10
10
13
15
15
15
15
15
15
16
16
17
17
17
17
17
17
17
17
16
17
18
19
18

Relative Humidity (%)

44
47
58
70
78
81
81
82
85
86
89
92
93
92
93
91
89
82
79
73
77
82
88
89

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1015
1014

Ozone (du)

303
303
303
305
306
306
305
301
300
300
298
298
297
296
296
296
296
295
294
293
293
292
291
291

Wednesday 2

Waning Gibbous 61%

21:42

14:01

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
14 Bad
15 Bad

Sun - Rise: 06:19, Set: 19:28, Transit: 12:53. Moon - Rise: 21:42, Set: 14:01. Civil Dark: 19:58 - 05:49. Nautical Dark: 20:35 - 05:13. Astro Dark: 21:13 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
100
96
94
91
91
93
93
98
99
100
100
100
99
99
99
100
97
95
93
91
90

Low Clouds (% Sky Obscured)

79
75
70
66
56
46
36
34
32
30
53
65
74
72
74
71
78
85
92
87
80
72
68
64

Medium Clouds (% Sky Obscured)

97
96
96
97
84
70
56
57
54
55
45
33
24
19
14
17
20
24
31
42
54
67
49
31

High Clouds (% Sky Obscured)

100
99
99
98
90
72
55
40
30
25
49
72
94
83
70
58
67
78
89
83
77
65
41
18

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate 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
89
95
95
95
95
95
92
87
86
89
94
95
95
95
95
95
95
78

Precipitation Amount (mm)

1.9
1.5
1.3
1.2
0.9
0.7
0.6
1.3
2
2.9
1.4
0.9
0.4
0.4
0.5
0.5
0.6
0.6
0.6
0.7
0.7
0.7
0.8
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
20
19
18
15
15
14
14
14
14
13
13
14
13
14
14
16
17
18
19
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

92
95
95
96
95
95
95
95
96
95
96
96
96
96
96
96
96
96
98
96
96
96
96
96

Pressure (mb)

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

Ozone (du)

290
290
290
289
289
290
291
293
293
293
293
296
300
304
305
307
309
307
306
304
304
305
305
304

Thursday 3

Waning Gibbous 49%

22:24

15:13

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: 06:20, Set: 19:26, Transit: 12:53. Moon - Rise: 22:24, Set: 15:13. Civil Dark: 19:57 - 05:51. Nautical Dark: 20:33 - 05:15. Astro Dark: 21:11 - 04:37

Total Clouds (% Sky Obscured)

92
93
96
95
93
92
93
75
63
46
46
46
49
49
55
58
63
68
67
89
93
100

Low Clouds (% Sky Obscured)

60
57
53
49
52
49
48
45
57
46
46
46
49
49
55
58
63
68
67
81
84
91

Medium Clouds (% Sky Obscured)

11
7
3
0
2
4
8
7
5
3
8
14
24
17
11
5
8
13
16
17
18
18

High Clouds (% Sky Obscured)

2
4
8
9
18
22
30
8
8
9
4
0
0
3
6
9
7
6
6
27
48
54

ISS Passover

Visibility (miles)

6
7
6
5
4
6
7
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

Precipitation Type

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

Precipitation Probability (%)

56
53
51
52
57
61
64
57
49
40
35
31
25
28
28
22
20
17
8
12
13
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
95
96
95
95
95
95
96
96
95
96
96
96
96
96
95
93
91
88
86

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1014
1014

Ozone (du)

304
304
302
299
297
297
297
296
296
296
295
296
296
297
296
296
296
297
297
298
298
298

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

Generated: 28/08/26 16:17:46. Forecast: 28/08/26 to 03/09/26. Timezone: UTC-4.00