Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 65%

14:57

23:49

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

Sun - Rise: 05:31, Set: 20:22, Transit: 12:56. Moon - Rise: 14:57, Set: 23:49. Civil Dark: 20:55 - 04:58. Nautical Dark: 21:38 - 04:15. Astro Dark: 22:29 - 03:26

Total Clouds (% Sky Obscured)

97
98
98
100
100
83
88
83
74
50
73
64
64
32
42
33
43
27
24
21
32
29
18
8

Low Clouds (% Sky Obscured)

82
92
78
80
71
76
66
57
68
46
59
53
23
31
38
33
37
22
24
21
8
21
18
8

Medium Clouds (% Sky Obscured)

84
91
41
52
11
0
0
0
0
0
0
22
22
2
0
0
0
15
9
19
32
22
17
6

High Clouds (% Sky Obscured)

97
98
98
100
100
22
55
38
14
3
0
0
0
0
0
0
0
2
0
0
0
9
0
0

ISS Passover

Visibility (miles)

0
0
0
0
1
3
5
9
7
5
5
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
74
73
92
31
12
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
85
95
95
43
10
2
3
4
6
22
31
35
36
31
9
0
0
0
0
1
0
0
0

Precipitation Amount (mm)

0.6
0.4
1.1
1.3
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
4
3
3
3
3
3
4
5
6
9
10
12
13
13
12
12
12
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
100
98
98
98
98
98
94
92
73
68
57
59
55
52
44
42
49
57
62
62

Pressure (mb)

1004
1004
1003
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1007
1008
1009
1010
1011
1012

Ozone (du)

327
335
336
335
337
341
344
348
349
352
356
359
363
362
362
359
359
359
359
359
357
357
359
358

Wednesday 22

Waxing Gibbous 74%

16:02

00:16

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

Sun - Rise: 05:32, Set: 20:21, Transit: 12:56. Moon - Rise: 16:02, Set: 00:16. Civil Dark: 20:54 - 04:59. Nautical Dark: 21:36 - 04:16. Astro Dark: 22:27 - 03:28

Total Clouds (% Sky Obscured)

15
35
31
32
15
0
0
0
0
0
0
5
19
18
14
2
3
14
30
56
26
3
10
31

Low Clouds (% Sky Obscured)

15
35
30
32
15
0
0
0
0
0
0
5
19
18
14
0
0
6
13
29
6
0
1
4

Medium Clouds (% Sky Obscured)

1
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
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)

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)

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

Chance of Frost

Temperature (°C)

17
16
15
15
14
13
12
11
11
13
16
18
20
21
22
23
24
25
25
25
24
23
20
18

Feels Like (°C)

17
15
15
15
15
13
13
12
12
14
17
18
19
20
21
22
24
25
26
25
24
24
23
19

Dew Point (°C)

10
10
10
10
11
11
11
10
10
10
9
8
7
7
7
7
7
7
7
6
10
14
13
12

Relative Humidity (%)

64
68
70
71
83
86
92
93
93
79
64
51
43
40
36
34
33
31
31
30
39
56
64
65

Pressure (mb)

1013
1014
1014
1015
1015
1016
1016
1017
1018
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1021

Ozone (du)

357
357
358
359
359
358
356
358
362
365
365
364
363
364
363
361
361
361
359
359
363
365
363
360

Thursday 23

Waxing Gibbous 82%

17:04

00:49

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

Sun - Rise: 05:33, Set: 20:20, Transit: 12:56. Moon - Rise: 17:04, Set: 00:49. Civil Dark: 20:53 - 05:00. Nautical Dark: 21:35 - 04:18. Astro Dark: 22:25 - 03:29

Total Clouds (% Sky Obscured)

4
4
5
30
40
34
35
32
21
0
0
15
44
76
28
13
12
16
15
36
33
35
49
53

Low Clouds (% Sky Obscured)

1
2
3
28
31
25
23
26
21
0
0
0
0
0
5
13
12
15
13
9
4
5
5
1

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
2
1
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
13
39
76
24
3
2
1
2
36
33
35
49
46

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)

2
2
2
2
1
1
1
1
1
1
0
1
1
2
2
3
3
4
4
5
4
2
2
1

Chance of Frost

Temperature (°C)

16
14
13
12
11
10
10
10
10
13
18
20
23
25
26
27
28
28
28
28
26
24
22
21

Feels Like (°C)

16
15
14
14
13
13
12
12
12
15
20
22
25
25
26
28
28
28
28
27
25
25
22
21

Dew Point (°C)

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

Relative Humidity (%)

64
71
72
76
76
80
84
85
85
75
63
54
45
40
34
31
30
29
29
31
41
58
57
57

Pressure (mb)

1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1022
1022
1021
1020
1020
1020
1019
1020
1020
1020

Ozone (du)

358
357
354
353
353
353
353
356
357
356
356
352
346
340
338
337
336
335
335
334
332
332
333
337

Friday 24

Waxing Gibbous 79%

18:01

01:28

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

Sun - Rise: 05:34, Set: 20:19, Transit: 12:56. Moon - Rise: 18:01, Set: 01:28. Civil Dark: 20:52 - 05:01. Nautical Dark: 21:34 - 04:19. Astro Dark: 22:24 - 03:31

Total Clouds (% Sky Obscured)

81
64
52
40
46
54
56
42
31
19
17
15
14
12
10
7
14
20
27
29
28
26
26
28

Low Clouds (% Sky Obscured)

0
14
28
40
46
54
56
42
31
19
12
6
0
2
4
6
12
19
27
19
9
0
0
0

Medium Clouds (% Sky Obscured)

21
2
0
0
0
0
0
0
0
0
4
9
13
9
5
0
0
0
0
7
14
19
22
25

High Clouds (% Sky Obscured)

74
49
20
0
0
0
0
0
0
0
0
0
0
0
0
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

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)

2
3
2
2
1
1
1
1
1
0
0
1
1
2
3
3
4
4
5
5
5
4
3
3

Chance of Frost

Temperature (°C)

19
17
15
14
13
12
12
11
13
15
17
20
23
26
27
28
29
29
29
29
27
25
23
21

Feels Like (°C)

19
17
16
16
15
14
14
14
15
17
20
23
25
28
29
30
30
30
29
30
28
26
24
23

Dew Point (°C)

13
12
12
12
11
11
11
11
12
12
12
12
12
13
12
11
11
10
10
11
13
15
16
15

Relative Humidity (%)

67
72
79
87
90
93
95
95
95
83
68
59
50
43
38
34
32
31
31
32
40
52
64
68

Pressure (mb)

1021
1021
1021
1021
1022
1021
1021
1021
1022
1021
1021
1021
1020
1020
1019
1018
1017
1017
1016
1015
1015
1015
1015
1016

Ozone (du)

343
348
350
349
347
345
346
346
345
344
345
344
344
345
344
340
337
335
335
332
330
328
328
328

Saturday 25

Waxing Gibbous 89%

18:51

02:16

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

Sun - Rise: 05:35, Set: 20:18, Transit: 12:56. Moon - Rise: 18:51, Set: 02:16. Civil Dark: 20:51 - 05:02. Nautical Dark: 21:32 - 04:20. Astro Dark: 22:22 - 03:33

Total Clouds (% Sky Obscured)

31
29
36
25
24
59
65
65
65
69
67
68
68
79
91
99
95
87
83
76
80
73
73
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
7
13
18
21
17
14
13
6
3
3
4

Medium Clouds (% Sky Obscured)

25
23
23
17
21
20
18
18
20
20
23
26
20
23
30
37
30
24
15
13
13
9
20
31

High Clouds (% Sky Obscured)

3
3
13
5
3
30
35
30
30
30
36
41
46
72
91
99
95
87
83
76
80
73
73
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
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)

3
3
2
1
1
1
1
2
1
1
1
1
1
2
2
3
3
3
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
14
13
15
17
18
21
24
26
27
28
29
28
28
27
26
24
22
22

Feels Like (°C)

21
20
18
17
16
16
13
13
14
16
19
19
20
21
22
23
24
30
29
29
29
28
26
21

Dew Point (°C)

14
14
13
13
12
12
11
11
11
12
12
12
13
13
13
13
12
14
16
18
18
18
18
16

Relative Humidity (%)

72
77
79
81
83
84
84
83
80
75
65
57
50
43
40
38
36
41
48
57
62
68
74
72

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

326
324
321
318
319
319
320
321
321
321
323
325
328
330
331
332
333
333
334
334
334
335
335
334

Sunday 26

Waxing Gibbous 94%

19:32

03:12

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

Sun - Rise: 05:36, Set: 20:17, Transit: 12:56. Moon - Rise: 19:32, Set: 03:12. Civil Dark: 20:50 - 05:03. Nautical Dark: 21:31 - 04:22. Astro Dark: 22:20 - 03:35

Total Clouds (% Sky Obscured)

76
56
51
46
50
56
62
50
38
26
29
31
33
34
34
35
42
49
56
53
50
47
49
54

Low Clouds (% Sky Obscured)

76
56
51
34
22
11
7
12
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
28
14
1
9
18
26
23
20
16
18
20
22
20
19
17
28
40
51
53
50
47
49
54

High Clouds (% Sky Obscured)

76
56
51
46
45
27
8
6
3
0
1
2
4
8
11
15
15
15
15
15
15
15
25
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
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
27
43
57
67
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
18
16
15
15
14
13
15
17
19
22
25
27
28
30
31
31
31
31
28
26
24
23

Feels Like (°C)

22
21
21
20
20
16
16
15
15
16
16
24
24
25
26
28
29
31
31
31
31
32
32
21

Dew Point (°C)

15
13
13
13
12
13
12
12
12
13
13
14
14
14
15
15
16
17
18
19
20
22
23
22

Relative Humidity (%)

70
67
72
78
84
87
87
90
82
76
69
60
51
44
43
42
40
43
45
48
60
77
97
97

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

333
333
333
333
333
334
334
334
333
333
333
332
332
332
330
328
326
324
322
320
318
317
315
313

Monday 27

Waxing Gibbous 98%

20:05

04:15

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: 05:37, Set: 20:16, Transit: 12:56. Moon - Rise: 20:05, Set: 04:15. Civil Dark: 20:49 - 05:04. Nautical Dark: 21:30 - 04:23. Astro Dark: 22:18 - 03:36

Total Clouds (% Sky Obscured)

65
57
57
50
45
45
40
36
27
18
12
11
10
24
51
76

Low Clouds (% Sky Obscured)

0
0
0
5
5
10
15
15
15
10
5
0
0
16
33
49

Medium Clouds (% Sky Obscured)

65
57
53
45
29
14
5
1
3
4
5
11
10
24
51
65

High Clouds (% Sky Obscured)

45
45
45
45
42
38
31
25
9
5
5
5
5
5
5
5

ISS Passover

Visibility (miles)

5
4
3
2
0
0
1
1
0
0
0
0
0
0
2
4

Fog (%)

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
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

84
94
95
95
95
95
95
95
86
54
77
93
95
95
95
95

Precipitation Amount (mm)

0.5
0.7
0.9
1.1
1.4
1.6
1.8
1.1
0.6
0
0.4
0.5
0.6
0.9
1
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
18
17
17
16
17
19
20
22
25
27
28
28

Feels Like (°C)

22
22
21
20
20
19
18
17
19
20
21
24
27
29
29
30

Dew Point (°C)

21
19
19
18
18
17
16
16
17
19
20
22
25
27
28
28

Relative Humidity (%)

98
98
100
98
100
98
98
100
98
100
100
98
100
100
100
98

Pressure (mb)

1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1004

Ozone (du)

311
309
311
312
313
313
312
311
312
314
315
314
314
313
315
317

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

Generated: 21/07/26 22:37:00. Forecast: 21/07/26 to 27/07/26. Timezone: UTC-4.00