Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 81%

20:45

11:24

15 OK
16 Good
17 OK
18 OK
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 OK
14 OK

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)

19
15
21
24
55
63
98
97
99
98
100
98
94
100
93
100
100
100
81
49
44
43
43
38

Low Clouds (% Sky Obscured)

9
15
14
24
9
3
9
50
50
63
73
77
53
69
14
21
23
19
27
18
13
17
17
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
20
25
27
92
64
95
89
86
44
100
100
100
77
48
42
43
39
31

High Clouds (% Sky Obscured)

0
0
0
24
55
48
93
86
93
87
75
64
65
100
93
100
100
63
31
40
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
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
13
46
37
48
43
49
55
21
7
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
25
25
24
22
19
16
16
16
16
16
16
16
14
14
13
14
15
16
18
19
19
20
21

Dew Point (°C)

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

Relative Humidity (%)

55
56
57
65
77
85
82
79
75
71
68
67
66
66
65
72
75
76
72
64
55
50
48
49

Pressure (mb)

1018
1018
1018
1017
1017
1017
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1016
1017
1017
1016
1016
1016

Ozone (du)

305
304
302
301
300
301
301
301
300
300
297
297
295
296
297
298
301
307
307
305
303
302
302
303

Tuesday 1

Waning Gibbous 72%

21:10

12:42

15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
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

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)

42
80
98
97
96
90
81
78
48
46
38
91
89
100
100
100
100
100
100
100
100
91
100
100

Low Clouds (% Sky Obscured)

42
55
59
57
69
78
81
78
48
46
38
57
45
43
56
60
52
56
33
66
66
42
43
77

Medium Clouds (% Sky Obscured)

35
73
96
95
94
81
60
23
16
8
0
0
0
0
0
0
3
13
21
87
71
54
100
100

High Clouds (% Sky Obscured)

0
1
27
4
0
0
0
0
0
0
4
50
45
100
100
100
100
100
100
100
100
86
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
1
0
0
0
0
0
0
0
4
4
7
2
1
0
0
0
0
1
8
4
10

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
5
5
4
3
4
4
6
7
8
9
8
8
8
8
9
10
11
13
13
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
49
55
65
67
64
64
71
83
84
83
83
82
83
86
85
83
81
77
74
75
76
65
65

Pressure (mb)

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

Ozone (du)

304
310
313
311
313
314
315
310
308
306
303
301
301
301
301
301
301
301
300
298
297
296
297
297

Wednesday 2

Waning Gibbous 61%

21:42

14:01

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
14 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
100
100
100
100
100
100
100
100
100
91
93
95
94
90
86
82
80
77
76
76

Low Clouds (% Sky Obscured)

38
55
81
76
58
56
66
50
46
80
87
95
90
79
81
84
85
76
66
57
52
46
41
41

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
96
60
89
41
42
45
30
37
40
41
31
30
32
36
28
26
24
21

High Clouds (% Sky Obscured)

100
100
100
100
100
88
100
100
100
100
100
100
100
33
20
18
6
0
5
3
0
0
0
0

ISS Passover

Visibility (miles)

9
5
2
3
9
5
9
9
4
7
5
8
9
9
9
9
9
5
4
3
5
3
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

76
95
95
95
95
95
95
95
95
95
95
95
81
41
30
40
71
95
95
95
95
72
52
41

Precipitation Amount (mm)

0.3
2.4
2.9
1.3
0.2
0.6
0.3
0.6
0.6
1.3
8.8
3.5
0.3
0
0
0
0.3
0.8
1.5
1.5
0.7
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
81
91
93
95
93
93
92
93
95
95
95
95
95
95
95
95
95
96
96
96
96
96
95

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1013
1013
1011
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

296
296
296
297
296
295
295
295
295
295
294
295
296
297
298
300
303
304
304
304
304
306
306
306

Thursday 3

Waning Gibbous 49%

22:24

No Set

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

Sun - Rise: 06:20, Set: 19:26, Transit: 12:53. Moon - Rise: 22:24, Set: No Set. Civil Dark: 19:57 - 05:51. Nautical Dark: 20:33 - 05:15. Astro Dark: 21:11 - 04:37

Total Clouds (% Sky Obscured)

75
64
65
65
50
42
38
32
31
50
51
30
52
46
62
81
99
99
100
100
80
74
67
62

Low Clouds (% Sky Obscured)

41
41
40
38
36
36
35
32
31
38
41
28
17
7
15
18
25
35
45
54
48
42
35
34

Medium Clouds (% Sky Obscured)

19
17
20
22
27
22
14
5
3
2
0
6
13
17
12
6
0
7
17
19
24
31
33
29

High Clouds (% Sky Obscured)

0
0
0
0
2
2
1
1
1
24
23
1
25
25
43
57
86
85
84
79
50
25
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

34
35
34
30
24
21
22
20
15
12
2
5
1
3
15
5
25
44
37
15
20
22
27
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
92
88
85
91
92
93
95
95
95
95
95
93
95
95
95
93
92
92
92
84
61
50
52

Pressure (mb)

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

Ozone (du)

305
305
306
306
305
303
305
306
306
304
306
306
303
303
302
305
307
308
308
311
314
317
315
316

Friday 4

Third Quarter 37%

23:19

15:13

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
14 Bad

Sun - Rise: 06:22, Set: 19:25, Transit: 12:52. Moon - Rise: 23:19, Set: 15:13. Civil Dark: 19:55 - 05:52. Nautical Dark: 20:31 - 05:16. Astro Dark: 21:08 - 04:38

Total Clouds (% Sky Obscured)

52
59
67
71
75
73
64
71
65
69
77
76
79
77
82
88
93
95
98
100
100
100
99
99

Low Clouds (% Sky Obscured)

31
33
24
15
5
10
14
25
35
48
61
76
77
77
82
84
83
88
94
100
92
84
79
80

Medium Clouds (% Sky Obscured)

26
21
27
34
75
65
57
36
37
39
41
34
41
40
36
35
27
26
22
21
23
26
29
29

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)

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 (%)

36
40
37
20
27
35
29
7
7
4
2
19
20
14
19
19
7
20
21
20
20
18
18
22

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
20
19
19
17
17
17
16
16
15
14
14
14
14
14
14
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

54
57
64
69
77
80
88
96
96
96
96
96
96
96
96
95
93
93
90
87
86
82
79
78

Pressure (mb)

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

Ozone (du)

312
311
311
311
312
310
312
311
310
311
312
313
313
313
312
315
317
320
320
320
320
318
317
315

Saturday 5

Waning Crescent 26%

00:27

16:16

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 OK
10 OK
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 06:23, Set: 19:23, Transit: 12:52. Moon - Rise: 00:27, Set: 16:16. Civil Dark: 19:53 - 05:53. Nautical Dark: 20:29 - 05:17. Astro Dark: 21:06 - 04:40

Total Clouds (% Sky Obscured)

99
99
81
65
47
62
77
91
82
74
65
66
67
71
70
69
65
53
40
27
30
34
32
28

Low Clouds (% Sky Obscured)

79
81
63
41
17
22
26
27
19
11
4
4
4
4
13
22
31
37
40
27
30
34
32
28

Medium Clouds (% Sky Obscured)

30
30
24
18
17
14
19
20
24
28
27
37
48
50
35
20
4
4
3
4
10
18
28
24

High Clouds (% Sky Obscured)

0
1
1
2
4
25
54
78
67
57
57
61
67
71
70
69
60
43
28
13
8
4
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 (%)

23
28
28
20
15
15
9
0
0
0
0
2
1
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
8
7
6
5
4
4
5
5
5
5
4
4
4
4
4
4
4
5
5
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
14
13
13
13
13
13
12
12
12
11
11
10
10
10
10
11
11
11
11
12
12
12

Relative Humidity (%)

77
78
78
81
85
89
90
93
93
95
95
96
95
95
96
92
90
87
76
68
61
58
57
55

Pressure (mb)

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

Ozone (du)

315
315
315
316
317
318
318
318
318
319
319
320
322
323
325
325
325
325
325
325
325
323
321
318

Sunday 6

Waning Crescent 16%

01:44

17:05

15 OK
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:24, Set: 19:21, Transit: 12:52. Moon - Rise: 01:44, Set: 17:05. Civil Dark: 19:51 - 05:54. Nautical Dark: 20:26 - 05:19. Astro Dark: 21:04 - 04:41

Total Clouds (% Sky Obscured)

27
22
16
9
0
0
1
1
13
25
27
33
44
55
55
56
60

Low Clouds (% Sky Obscured)

27
22
16
9
0
0
0
0
6
11
16
9
11
13
10
9
5

Medium Clouds (% Sky Obscured)

12
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
1
1
1
2
2
14
27
42
51
56
60

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
5
3
3
2
2
3
3
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
22
23
23
23
16
16
17
16
16
15
13
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

56
57
58
65
73
82
83
83
84
84
86
86
86
85
85
83
79

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

316
314
312
311
311
310
309
308
306
305
304
302
303
303
304
304
305

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

Generated: 31/08/26 15:47:09. Forecast: 31/08/26 to 06/09/26. Timezone: UTC-4.00