Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 58%

22:40

12:10

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

Sun - Rise: 05:45, Set: 20:08, Transit: 12:56. Moon - Rise: 22:40, Set: 12:10. Civil Dark: 20:39 - 05:14. Nautical Dark: 21:19 - 04:34. Astro Dark: 22:03 - 03:50

Total Clouds (% Sky Obscured)

46
36
28
24
1
0
0
0
13
21
21
9
0
0
5
2
77
100
100
100
86
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
6
0
0
0
0
7
12
14
6
0
0
0
0
0
0
0
20
28
33
25
0

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
3

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
5
2
66
100
100
100
82
100
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
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
4
4
5
7
6
6
6
6
6
6
5
3
3
3
3
2
2
2
1
2
1
1
1

Chance of Frost

Temperature (°C)

14
18
20
22
25
27
28
29
30
29
29
28
26
23
20
19
18
17
16
16
15
15
15
15

Feels Like (°C)

17
20
22
23
25
27
28
29
30
29
30
30
30
26
23
21
20
18
16
16
15
15
15
15

Dew Point (°C)

12
13
11
8
9
9
9
9
9
10
12
16
20
18
16
15
14
14
12
12
11
11
11
11

Relative Humidity (%)

86
71
55
41
35
32
28
27
28
30
34
46
66
73
75
78
79
81
78
77
78
78
75
73

Pressure (mb)

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

Ozone (du)

323
322
319
317
315
315
313
311
309
309
309
308
306
305
303
302
301
302
302
303
303
303
304
304

Wednesday 5

Third Quarter 46%

23:08

13:25

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: 05:46, Set: 20:06, Transit: 12:56. Moon - Rise: 23:08, Set: 13:25. Civil Dark: 20:38 - 05:15. Nautical Dark: 21:17 - 04:36. Astro Dark: 22:01 - 03:52

Total Clouds (% Sky Obscured)

100
99
85
100
100
96
90
89
89
91
86
85
77
76
61
60
56
67
58
60
72
81
74
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
19
23
22
11
0
0
0
1
1
2
2
8
35
50
54
50

Medium Clouds (% Sky Obscured)

0
0
13
9
48
85
74
84
84
68
75
82
77
76
61
60
56
67
54
46
51
53
36
28

High Clouds (% Sky Obscured)

100
98
85
100
100
89
84
45
5
36
36
29
27
28
40
36
38
15
3
4
3
36
8
8

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
1
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
1
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)

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

Chance of Frost

Temperature (°C)

17
19
21
23
25
26
27
29
30
30
29
28
26
24
22
22
21
21
21
20
20
20
20
19

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
11
10
11
10
10
10
17
19
17
15
14
14
14
14
16
15
14
14
14

Relative Humidity (%)

75
64
57
50
42
37
34
32
30
28
30
50
65
62
61
62
62
63
67
76
76
70
70
71

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

303
302
302
303
303
303
301
300
298
297
297
297
296
296
295
295
295
295
295
295
296
297
297
298

Thursday 6

Waning Crescent 44%

23:44

14:43

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: 05:48, Set: 20:05, Transit: 12:56. Moon - Rise: 23:44, Set: 14:43. Civil Dark: 20:37 - 05:16. Nautical Dark: 21:16 - 04:37. Astro Dark: 21:59 - 03:54

Total Clouds (% Sky Obscured)

81
67
72
81
85
79
49
61
79
95
89
43
60
94
100
100
100
100
100
93
84
77
63
41

Low Clouds (% Sky Obscured)

34
34
59
64
65
67
27
26
66
89
67
30
23
39
19
36
48
32
52
55
57
59
52
41

Medium Clouds (% Sky Obscured)

38
25
25
23
44
56
31
28
21
34
38
34
2
19
22
30
29
34
35
29
21
21
9
5

High Clouds (% Sky Obscured)

51
46
8
19
26
7
1
27
50
27
33
3
52
91
100
100
99
100
100
80
43
26
23
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
4
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
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
1
5
8
6
12
6
26
63
66
51
61
30
16
15
15
22
30
36
33
29
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
25
27
27
28
30
31
31
31
29
28
27
25
24
23
23
23
23
22
22
21
21
22

Feels Like (°C)

22
24
26
29
29
29
31
33
34
33
32
32
33
30
27
26
26
26
25
25
25
24
24
25

Dew Point (°C)

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

Relative Humidity (%)

77
69
62
53
48
44
42
43
45
51
75
76
81
83
87
85
84
85
85
85
89
95
96
95

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

299
299
300
301
301
301
302
303
303
304
306
306
305
304
303
304
304
303
302
302
304
306
305
305

Friday 7

Waning Crescent 34%

00:32

16:00

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: 05:49, Set: 20:04, Transit: 12:56. Moon - Rise: 00:32, Set: 16:00. Civil Dark: 20:35 - 05:17. Nautical Dark: 21:14 - 04:38. Astro Dark: 21:57 - 03:55

Total Clouds (% Sky Obscured)

75
82
84
92
92
93
95
84
70
54
67
85
100
97
83
90
91
94
96
96
81
95
96
98

Low Clouds (% Sky Obscured)

44
44
39
40
33
24
19
23
28
31
37
19
4
14
23
34
46
55
62
62
58
58
55
49

Medium Clouds (% Sky Obscured)

1
1
0
3
26
29
38
27
19
11
14
16
15
16
19
20
27
80
88
74
54
25
21
22

High Clouds (% Sky Obscured)

41
55
65
79
69
60
58
49
40
29
50
73
100
91
73
74
56
31
19
36
25
61
72
87

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
0
0
0
4
3
1
9
12
13
14
13
7
10
10
5
9
11
10
32
39
42
56
59

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
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
24
26
27
29
30
31
31
31
31
30
29
28
26
25
24
22
22
21
21
21
21
20
21

Feels Like (°C)

28
27
29
30
31
31
31
31
31
31
31
31
30
28
27
27
25
24
24
23
22
24
22
23

Dew Point (°C)

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

Relative Humidity (%)

97
94
86
69
57
46
41
40
42
43
47
64
72
78
79
82
81
84
85
81
82
89
91
92

Pressure (mb)

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

Ozone (du)

303
305
305
304
303
304
305
305
304
305
306
307
307
307
307
307
305
305
309
314
314
314
312
309

Saturday 8

Waning Crescent 23%

01:34

17:11

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 OK
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 05:50, Set: 20:02, Transit: 12:55. Moon - Rise: 01:34, Set: 17:11. Civil Dark: 20:34 - 05:18. Nautical Dark: 21:12 - 04:40. Astro Dark: 21:55 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
87
82
68
44
24
29
35
41
32
17
0
11
21
32
22
11

Low Clouds (% Sky Obscured)

43
49
56
57
54
58
54
62
57
38
30
25
14
23
32
41
25
14
0
11
21
32
21
11

Medium Clouds (% Sky Obscured)

16
19
68
64
44
68
64
65
68
59
51
22
1
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
99
100
99
100
100
75
50
29
19
7
8
3
2
0
0
0
0
0
0
0
0
1

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

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

Precipitation Probability (%)

59
62
61
54
71
78
73
66
57
50
33
23
44
58
60
55
36
17
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
26
27
29
30
29
27
27
29
29
29
29
29
28
27
26
26
26
25
25
22
22
21
22

Dew Point (°C)

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

Relative Humidity (%)

87
78
67
61
53
47
50
60
67
73
57
62
73
83
87
91
95
96
96
98
96
98
96
93

Pressure (mb)

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

Ozone (du)

309
309
308
309
308
307
308
310
311
309
309
309
314
313
314
315
317
314
312
310
312
313
315
314

Sunday 9

Waning Crescent 14%

02:48

18:11

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

Sun - Rise: 05:51, Set: 20:01, Transit: 12:55. Moon - Rise: 02:48, Set: 18:11. Civil Dark: 20:32 - 05:20. Nautical Dark: 21:11 - 04:41. Astro Dark: 21:53 - 03:59

Total Clouds (% Sky Obscured)

0
11
21
32
35
39
43
37
30
24
29
36
43
47
53
59
48
36
24
17
10
7
24
41

Low Clouds (% Sky Obscured)

0
11
21
32
35
39
43
31
18
7
12
15
17
10
5
0
3
8
17
13
8
3
16
29

Medium Clouds (% Sky Obscured)

0
0
0
0
3
6
9
7
9
12
12
11
9
20
30
41
34
25
15
11
6
2
14
32

High Clouds (% Sky Obscured)

0
1
1
0
0
0
0
0
1
1
3
6
9
6
5
2
3
3
3
3
3
7
11
14

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
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
16
23
29
36
42
47
41
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
24
26
29
30
31
32
32
32
32
30
28
26
25
24
23
23
22
21
21
21
20
21

Feels Like (°C)

22
22
27
28
28
29
31
33
35
34
33
33
34
34
25
26
26
27
26
26
22
22
23
23

Dew Point (°C)

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

Relative Humidity (%)

89
87
68
53
42
38
34
31
34
37
40
47
58
69
71
73
75
81
87
94
95
95
98
98

Pressure (mb)

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

Ozone (du)

313
311
311
311
311
310
310
310
309
309
308
309
309
309
309
309
309
309
309
309
309
309
309
310

Monday 10

Waning Crescent 6%

04:08

18:58

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
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: 05:52, Set: 19:59, Transit: 12:55. Moon - Rise: 04:08, Set: 18:58. Civil Dark: 20:31 - 05:21. Nautical Dark: 21:09 - 04:43. Astro Dark: 21:51 - 04:01

Total Clouds (% Sky Obscured)

57
72
86
100
81
61
42
61
81
100
96
95
95
96
97
98
98
99
100

Low Clouds (% Sky Obscured)

42
42
43
43
26
17
17
17
15
19
20
21
21
33
41
50
53
59
69

Medium Clouds (% Sky Obscured)

57
51
36
20
16
25
39
45
51
57
72
79
65
60
55
55
59
60
58

High Clouds (% Sky Obscured)

17
42
71
100
70
39
12
37
58
81
81
81
95
96
97
98
98
98
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

31
24
16
2
8
10
10
11
11
1
3
11
22
57
75
88
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.7
0.8
0.7

Wind Speed/Direction (mph)

3
3
5
6
9
9
10
10
10
10
9
7
5
4
3
3
2
3
3

Chance of Frost

Temperature (°C)

23
24
24
26
27
28
29
30
30
30
29
28
26
25
24
23
21
21
21

Feels Like (°C)

24
24
25
25
24
25
27
28
32
31
30
31
32
33
25
26
26
26
25

Dew Point (°C)

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

Relative Humidity (%)

98
98
82
70
59
57
55
53
49
45
41
49
58
69
72
73
75
77
80

Pressure (mb)

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

Ozone (du)

311
312
312
313
313
314
315
316
315
313
312
312
312
311
311
310
309
309
308

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 04/08/26 07:50:54. Forecast: 04/08/26 to 10/08/26. Timezone: UTC-4.00