Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waning Crescent 0%

05:28

19:16

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

Sun - Rise: 06:22, Set: 19:49, Transit: 13:05. Moon - Rise: 05:28, Set: 19:16. Civil Dark: 20:18 - 05:54. Nautical Dark: 20:52 - 05:20. Astro Dark: 21:28 - 04:44

Total Clouds (% Sky Obscured)

96
95
90
90
92
90
87
61
18
0
4
0
46
40
37
0
0
0
15
3
0
0
0
0

Low Clouds (% Sky Obscured)

92
85
78
80
80
82
86
64
21
0
5
0
0
19
0
0
0
0
10
3
0
0
0
0

Medium Clouds (% Sky Obscured)

62
43
55
55
50
39
7
0
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
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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
74
71
66
65
66
66
68
74
74
75
76
71
71
69
68
69
69
73
71
64
51
44
40

Pressure (mb)

1014
1013
1012
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1017
1017
1018
1018
1018

Ozone (du)

298
298
297
297
296
296
297
297
303
302
300
299
301
301
301
300
299
298
296
295
295
294
293
292

Saturday 23

New Moon 0%

06:36

19:44

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

Sun - Rise: 06:23, Set: 19:48, Transit: 13:05. Moon - Rise: 06:36, Set: 19:44. Civil Dark: 20:16 - 05:55. Nautical Dark: 20:50 - 05:21. Astro Dark: 21:26 - 04:45

Total Clouds (% Sky Obscured)

0
8
20
25
33
26
22
7
0
0
0
0
0
0
0
2
4
20
31
35
3
8
14
6

Low Clouds (% Sky Obscured)

0
8
20
25
33
26
22
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
20
31
35
3
7
10
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
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)

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

Chance of Frost

Temperature (°C)

24
25
26
26
26
26
26
24
21
20
19
18
18
17
17
16
16
15
15
16
17
20
22
23

Feels Like (°C)

24
26
27
28
28
28
28
26
24
22
21
20
19
18
18
17
17
16
15
15
17
22
23
24

Dew Point (°C)

9
9
10
11
11
12
14
16
14
13
13
13
11
10
10
10
10
10
11
11
12
13
13
12

Relative Humidity (%)

38
37
37
37
37
40
47
59
63
64
68
69
63
63
66
67
68
69
73
73
68
63
55
47

Pressure (mb)

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

Ozone (du)

291
290
289
287
286
287
287
287
289
289
290
290
290
289
289
289
289
290
291
292
293
293
294
293

Sunday 24

Waxing Crescent 0%

07:42

20:08

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

Sun - Rise: 06:24, Set: 19:46, Transit: 13:05. Moon - Rise: 07:42, Set: 20:08. Civil Dark: 20:15 - 05:56. Nautical Dark: 20:48 - 05:22. Astro Dark: 21:24 - 04:47

Total Clouds (% Sky Obscured)

3
0
19
34
52
58
48
34
29
41
20
6
23
12
20
28
76
59
54
63
58
56
67
65

Low Clouds (% Sky Obscured)

0
0
19
31
40
40
35
22
29
30
14
3
15
1
1
11
35
37
37
27
21
26
64
48

Medium Clouds (% Sky Obscured)

0
0
0
0
14
26
18
19
0
17
5
3
9
11
18
19
22
28
29
38
33
1
0
39

High Clouds (% Sky Obscured)

3
0
0
1
0
0
0
0
0
0
1
0
0
0
1
1
40
12
9
30
31
39
26
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
7
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
1
0
0
2
8
12
32
23
5
4
4

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
9
9
10
11
11
10
8
8
9
9
8
8
7
6
5
5
5
5
5
5
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
12
13
15
17
18
16
15
16
16
16
16
17
16
16
16
17
17
18
18
18
18

Relative Humidity (%)

42
40
38
39
42
51
59
66
66
67
73
76
80
81
85
86
88
88
89
89
86
78
68
60

Pressure (mb)

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

Ozone (du)

294
294
295
295
296
295
295
295
296
297
297
297
296
296
296
297
297
297
298
298
298
299
300
300

Monday 25

Waxing Crescent 2%

08:45

20:29

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
07 Bad
08 Bad
09 Bad
10 Bad
11 OK

Sun - Rise: 06:25, Set: 19:45, Transit: 13:04. Moon - Rise: 08:45, Set: 20:29. Civil Dark: 20:13 - 05:57. Nautical Dark: 20:47 - 05:23. Astro Dark: 21:22 - 04:48

Total Clouds (% Sky Obscured)

79
97
98
97
96
90
76
84
77
66
60
63
69
68
75
84
93
89
97
99
90
65
47
44

Low Clouds (% Sky Obscured)

52
36
64
70
69
68
18
16
13
8
0
10
20
32
40
51
61
61
60
55
51
34
26
30

Medium Clouds (% Sky Obscured)

65
91
89
62
76
61
66
84
77
66
60
63
42
19
29
28
25
21
21
22
20
19
23
17

High Clouds (% Sky Obscured)

67
80
86
62
43
28
5
3
0
0
0
0
0
0
4
12
21
41
74
93
56
26
0
0

ISS Passover

Visibility (miles)

9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
6
6
8
1
0
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
Light Rain
Light Rain
None
None
Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

3
5
20
50
55
41
20
67
65
10
5
4
7
18
70
85
88
74
56
41
30
21
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
29
28
29
27
28
26
25
23
23
24
23
22
22
24
24
22
22
23
22
23
23
25
25

Dew Point (°C)

18
18
17
18
22
22
20
19
19
19
19
19
19
19
19
19
19
20
20
20
20
20
18
15

Relative Humidity (%)

57
55
50
51
74
75
70
69
74
79
84
85
86
91
93
95
96
98
98
98
95
87
70
54

Pressure (mb)

1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

300
299
298
296
295
296
296
296
296
296
296
295
295
295
295
295
296
297
298
298
298
299
299
299

Tuesday 26

Waxing Crescent 7%

09:46

20:49

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

Sun - Rise: 06:26, Set: 19:43, Transit: 13:04. Moon - Rise: 09:46, Set: 20:49. Civil Dark: 20:11 - 05:58. Nautical Dark: 20:45 - 05:24. Astro Dark: 21:20 - 04:49

Total Clouds (% Sky Obscured)

36
33
40
43
69
44
44
45
22
12
0
0
0
0
4
8
11
8
71
78
84
78
86
89

Low Clouds (% Sky Obscured)

35
33
22
14
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
8
18
28
29

Medium Clouds (% Sky Obscured)

9
0
14
30
48
44
44
45
22
12
0
0
0
0
4
8
11
8
8
6
4
2
0
14

High Clouds (% Sky Obscured)

0
1
1
1
19
0
0
0
0
0
0
0
0
0
0
0
1
0
71
78
84
75
75
70

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 (%)

1
0
0
1
2
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)

10
11
11
11
10
10
8
6
5
5
7
8
7
7
7
6
6
6
6
6
6
7
7
9

Chance of Frost

Temperature (°C)

25
26
26
26
26
26
25
23
21
20
20
19
18
17
17
16
15
15
14
15
16
17
19
21

Feels Like (°C)

26
26
26
26
26
25
25
24
22
21
19
18
17
17
16
15
15
15
14
12
14
15
17
19

Dew Point (°C)

14
14
14
13
12
12
12
13
12
12
11
10
10
10
9
9
9
9
9
10
10
10
11
11

Relative Humidity (%)

49
47
46
43
41
42
44
53
55
58
56
55
58
60
62
64
66
69
71
71
68
62
57
51

Pressure (mb)

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

Ozone (du)

299
299
300
299
298
299
301
302
304
306
310
314
314
311
310
310
309
309
309
309
309
309
309
310

Wednesday 27

Waxing Crescent 13%

10:48

21:10

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

Sun - Rise: 06:27, Set: 19:42, Transit: 13:04. Moon - Rise: 10:48, Set: 21:10. Civil Dark: 20:10 - 05:59. Nautical Dark: 20:43 - 05:25. Astro Dark: 21:19 - 04:50

Total Clouds (% Sky Obscured)

16
15
22
29
35
36
35
37
41
46
50
32
12
0
0
0
0
0
0
0
8
16
17
22

Low Clouds (% Sky Obscured)

16
15
22
29
35
36
35
37
26
13
0
2
3
0
0
0
0
0
0
0
8
16
17
17

Medium Clouds (% Sky Obscured)

16
15
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

4
4
4
3
2
1
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
3
4
1
3
4
0
1
1
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)

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

Chance of Frost

Temperature (°C)

22
23
24
24
24
24
22
21
19
18
18
17
16
16
15
14
14
14
14
15
15
17
18
20

Feels Like (°C)

20
22
23
23
23
23
23
23
23
17
17
17
17
17
17
14
14
14
14
14
13
15
15
16

Dew Point (°C)

10
10
9
9
9
9
9
9
10
10
10
10
9
9
9
8
9
8
9
9
9
9
9
9

Relative Humidity (%)

46
42
39
38
37
37
42
48
55
56
58
60
62
64
66
67
69
70
69
68
67
61
53
48

Pressure (mb)

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

Ozone (du)

310
311
313
316
319
322
325
327
330
331
332
333
333
332
332
333
334
336
337
337
338
340
342
344

Thursday 28

Waxing Crescent 20%

11:50

21:32

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

Sun - Rise: 06:28, Set: 19:40, Transit: 13:04. Moon - Rise: 11:50, Set: 21:32. Civil Dark: 20:08 - 06:00. Nautical Dark: 20:42 - 05:27. Astro Dark: 21:17 - 04:52

Total Clouds (% Sky Obscured)

24
24
18
14
12
18
29
33
27
18
10
8
7
5
3
2
0
1
2
2
6
10
14
16

Low Clouds (% Sky Obscured)

9
1
2
4
4
7
8
31
26
17
5
4
3
2
1
1
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
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
1
2
6
9
13
16

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)

10
10
11
10
10
9
7
5
3
3
3
3
4
4
4
4
4
3
3
3
2
2
1
1

Chance of Frost

Temperature (°C)

21
22
23
22
22
22
21
19
18
17
17
16
15
15
14
14
13
13
14
14
15
17
20
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
42
40
42
42
44
49
55
60
60
61
61
61
61
62
65
66
70
68
66
65
55
49
42

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023

Ozone (du)

342
340
337
337
337
337
335
334
332
329
325
322
322
323
324
323
323
322
322
323
323
323
323
323

Forecast for Kennett Square, Chester, United States of America (39.86,-75.71)

Generated: 22/08/25 00:43:09. Forecast: 22/08/25 to 28/08/25. Timezone: UTC-4.00