Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 93%

21:37

09:00

20 Bad
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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:56, Set: 20:34, Transit: 13:14. Moon - Rise: 21:37, Set: 09:00. Civil Dark: 21:07 - 05:23. Nautical Dark: 21:49 - 04:41. Astro Dark: 22:37 - 03:53

Total Clouds (% Sky Obscured)

53
45
59
80
97
100
88
98
100
100
94
100
93
100
100
100
98
95
94
93
84
78
100
100

Low Clouds (% Sky Obscured)

0
1
1
0
2
2
5
5
0
0
0
0
0
3
24
55
64
68
32
6
2
0
0
0

Medium Clouds (% Sky Obscured)

16
20
19
26
26
24
29
34
75
68
64
84
74
80
95
95
94
70
61
71
62
67
66
73

High Clouds (% Sky Obscured)

47
45
59
77
91
100
79
96
100
100
91
98
90
100
100
100
86
65
77
79
45
52
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
1
0
0
0
0
0
0
0
0
0
6
11
11
15
1
1
1
1
0
0
0
0
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
20
18
17
17
16
16
16
16
16
16
17
20
22
23
24
25
26
27
26
26
26
26
26

Dew Point (°C)

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

Relative Humidity (%)

51
56
55
55
53
53
53
52
53
56
60
67
69
66
56
61
60
60
53
38
35
34
40
56

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

311
312
312
311
310
309
308
306
305
305
305
305
304
303
302
302
302
303
303
303
305
306
307
307

Saturday 1

Waning Gibbous 87%

21:55

10:09

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:57, Set: 20:32, Transit: 13:14. Moon - Rise: 21:55, Set: 10:09. Civil Dark: 21:05 - 05:24. Nautical Dark: 21:47 - 04:42. Astro Dark: 22:35 - 03:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
13
45
60
63
40
32
39
56
70
67
68
67
76
80
84
79
89
86
90
96
97
100
100

Medium Clouds (% Sky Obscured)

98
98
95
92
100
96
95
95
94
100
99
100
100
97
100
100
95
100
100
100
100
100
48
80

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
75
58
60
100
100
100
100
100
100
100
100
100
100
100
100
100
99

ISS Passover

Visibility (miles)

9
9
5
3
8
9
9
9
9
9
8
8
7
9
1
0
0
0
3
0
3
9
7
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
Very Light Rain
None
None
None
None
None
None
None
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
None

Precipitation Probability (%)

22
55
57
50
29
14
16
15
10
33
67
84
89
95
95
95
95
95
95
95
95
95
95
78

Precipitation Amount (mm)

0
0.2
0.2
0
0
0
0
0
0
0
0.4
0.6
0.5
0.9
0.5
1.1
0.7
0.9
2.4
1.8
0.8
0.7
1.9
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
85
92
92
91
91
95
95
100
98
96
98
96
100
98
100
98
98
98
98
96
95
93

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010

Ozone (du)

306
306
306
307
308
309
315
316
316
317
316
318
317
315
314
313
314
314
314
312
314
314
315
314

Sunday 2

Waning Gibbous 78%

22:13

11:19

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
16 Bad
17 Bad
18 Bad
19 OK

Sun - Rise: 05:58, Set: 20:31, Transit: 13:14. Moon - Rise: 22:13, Set: 11:19. Civil Dark: 21:04 - 05:25. Nautical Dark: 21:45 - 04:44. Astro Dark: 22:33 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
94
89
82
72
65
55
49
44
40
30
23
16

Low Clouds (% Sky Obscured)

97
99
94
93
91
92
93
92
91
70
76
89
85
82
78
72
65
55
49
44
40
30
23
11

Medium Clouds (% Sky Obscured)

44
35
59
89
86
83
91
71
43
76
80
72
54
30
29
15
11
42
49
44
40
30
23
16

High Clouds (% Sky Obscured)

72
94
100
100
100
99
100
100
100
100
99
94
75
56
37
36
36
35
25
25
20
25
8
3

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

94
62
62
68
55
45
35
18
16
26
42
51
50
48
55
84
75
95
95
95
94
65
40
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
93
95
95
95
95
96
95
98
98
96
96
96
96
96
96
95
97
97
97
95
95

Pressure (mb)

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

Ozone (du)

315
316
316
314
312
310
309
309
308
308
309
308
307
309
311
312
314
315
313
317
326
328
332
338

Monday 3

Waning Gibbous 69%

22:33

12:32

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

Sun - Rise: 05:59, Set: 20:30, Transit: 13:14. Moon - Rise: 22:33, Set: 12:32. Civil Dark: 21:03 - 05:26. Nautical Dark: 21:44 - 04:45. Astro Dark: 22:31 - 03:59

Total Clouds (% Sky Obscured)

41
68
100
88
80
73
76
83
85
80
80
80
57
30
2
28
54
70
80
75
75
75
80
75

Low Clouds (% Sky Obscured)

5
4
0
4
5
8
6
6
6
4
2
0
0
0
0
7
16
28
37
37
37
24
12
0

Medium Clouds (% Sky Obscured)

27
4
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)

29
57
86
76
67
54
63
71
80
80
80
80
57
30
2
26
47
70
65
60
65
65
65
60

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 (%)

3
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)

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

Chance of Frost

Temperature (°C)

21
19
18
17
16
15
15
14
14
14
15
16
18
20
22
25
26
27
28
28
28
27
26
24

Feels Like (°C)

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

Dew Point (°C)

21
19
17
16
16
15
14
14
13
13
14
15
16
17
16
15
13
13
12
11
11
11
13
15

Relative Humidity (%)

95
96
96
96
98
98
96
96
95
96
96
95
92
84
68
55
45
41
37
35
34
36
44
57

Pressure (mb)

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

Ozone (du)

341
339
339
342
345
343
337
335
332
329
327
326
325
324
323
322
323
323
323
321
319
319
319
319

Tuesday 4

Waning Gibbous 58%

22:55

13:48

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 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:00, Set: 20:28, Transit: 13:14. Moon - Rise: 22:55, Set: 13:48. Civil Dark: 21:01 - 05:28. Nautical Dark: 21:42 - 04:47. Astro Dark: 22:29 - 04:01

Total Clouds (% Sky Obscured)

80
75
75
70
70
70
85
85
85
80
80
75
60
46
34
43
52
65
75
87
96
93
91
85

Low Clouds (% Sky Obscured)

1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
9
19
30
51
67
82
88
91
85

Medium Clouds (% Sky Obscured)

23
47
65
70
65
60
0
0
0
18
23
30
25
13
17
26
37
50
55
55
55
55
55
55

High Clouds (% Sky Obscured)

65
65
70
60
60
55
70
75
75
75
80
75
60
46
34
43
52
65
75
85
92
89
83
74

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

Precipitation Probability (%)

0
0
0
1
2
2
0
0
0
0
0
0
0
0
1
19
30
40
70
92
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.9
1.2
1.1
1.1
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
77
85
88
88
86
85
86
86
87
81
76
71
64
56
51
46
41
37
37
37
37
46
57

Pressure (mb)

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

Ozone (du)

319
318
318
318
318
318
318
318
318
317
315
312
310
308
306
304
304
304
304
304
303
303
303
303

Wednesday 5

Third Quarter 46%

23:22

15:06

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:01, Set: 20:27, Transit: 13:14. Moon - Rise: 23:22, Set: 15:06. Civil Dark: 21:00 - 05:29. Nautical Dark: 21:40 - 04:48. Astro Dark: 22:26 - 04:03

Total Clouds (% Sky Obscured)

88
93
98
93
87
76
81
80
76
72
65
57
48
44
43
55
58
57
63
79
90
95
100
90

Low Clouds (% Sky Obscured)

88
69
49
28
22
17
17
17
24
42
60
57
48
44
43
50
36
36
38
55
66
66
66
62

Medium Clouds (% Sky Obscured)

52
50
47
43
38
33
30
22
16
18
22
23
21
18
19
17
12
7
9
13
15
15
17
19

High Clouds (% Sky Obscured)

65
65
65
63
62
66
74
73
68
64
56
55
37
22
7
5
3
2
25
51
85
95
95
90

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

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

Precipitation Probability (%)

91
66
28
27
24
17
26
30
32
33
39
34
50
57
61
61
59
56
63
73
85
95
95
95

Precipitation Amount (mm)

0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0
0.2
0.4
0.6
0.7
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
21
22
23
22
22
22
20
20
21
20
19
18
23
23
22
22
24
24
30
29
28
29
30

Dew Point (°C)

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

Relative Humidity (%)

71
71
70
70
71
72
73
76
76
78
73
69
64
60
56
52
49
46
43
42
42
42
50
58

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

303
302
301
300
300
299
299
299
299
299
299
300
300
300
300
300
301
302
302
302
302
302
303
304

Thursday 6

Waning Crescent 34%

23:58

16:24

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: 06:02, Set: 20:26, Transit: 13:13. Moon - Rise: 23:58, Set: 16:24. Civil Dark: 20:58 - 05:30. Nautical Dark: 21:39 - 04:50. Astro Dark: 22:24 - 04:05

Total Clouds (% Sky Obscured)

90
81
75
81
86
91
93
91
89
94
97
96

Low Clouds (% Sky Obscured)

60
57
54
64
74
84
83
81
80
79
79
78

Medium Clouds (% Sky Obscured)

20
24
22
20
20
16
26
39
45
39
28
17

High Clouds (% Sky Obscured)

90
81
75
81
86
91
85
74
65
73
75
76

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
93
71
66
58
46
64
76
87
76
67
60

Precipitation Amount (mm)

0.7
0.5
0.3
0.2
0
0
0.3
0.4
0.6
0.4
0.3
0

Wind Speed/Direction (mph)

4
4
3
3
3
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

23
23
22
21
21
21
21
21
20
20
21
21

Feels Like (°C)

31
24
25
26
26
25
25
22
22
22
21
20

Dew Point (°C)

17
17
18
18
18
18
18
18
18
18
18
17

Relative Humidity (%)

69
72
78
81
81
84
84
86
86
89
84
76

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

304
305
306
307
306
306
305
305
304
304
304
305

Forecast for Erinsville, Lennox and Addington County, Canada (44.48,-77.05)

Generated: 31/07/26 20:48:17. Forecast: 31/07/26 to 06/08/26. Timezone: UTC-4.00