Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Gibbous 90%

18:56

01:21

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

Sun - Rise: 06:07, Set: 20:10, Transit: 13:09. Moon - Rise: 18:56, Set: 01:21. Civil Dark: 20:46 - 05:31. Nautical Dark: 21:31 - 04:47. Astro Dark: 22:22 - 03:55

Total Clouds (% Sky Obscured)

75
0
0
0
0
40
0
0
0
0
1
63
63
50
13
13
61
24
1
3
59
26
37
51

Low Clouds (% Sky Obscured)

0
0
0
5
5
0
0
0
22
18
16
13
16
23
31
38
22
27
9
6
18
26
35
6

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
14
36
38
86
16
17
15
19
29
25
23
23
29
26
37
34

High Clouds (% Sky Obscured)

75
19
60
68
55
46
66
66
100
100
95
73
37
42
47
36
42
12
1
15
1
0
18
20

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9

Fog (%)

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

4
5
6
7
7
6
6
7
10
13
15
15
16
15
15
16
16
16
16
16
13
13
13
11

Chance of Frost

Temperature (°C)

12
13
13
13
13
12
12
12
13
16
18
19
21
22
23
23
24
23
23
21
19
17
16
15

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
9
9
10
10
11
10
9
9
8
9
8
8
8
8
7
7
8
8
8

Relative Humidity (%)

85
78
76
77
77
80
83
86
84
69
62
51
46
41
41
38
38
39
39
40
45
56
61
62

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1019
1018
1017
1016
1016
1015
1015
1015
1015
1015
1016
1015

Ozone (du)

346
342
342
341
340
337
337
337
337
337
336
332
328
327
331
332
333
333
333
333
332
332
329
325

Tuesday 25

Waxing Gibbous 95%

19:19

02:33

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:09, Set: 20:08, Transit: 13:09. Moon - Rise: 19:19, Set: 02:33. Civil Dark: 20:44 - 05:33. Nautical Dark: 21:29 - 04:49. Astro Dark: 22:19 - 03:58

Total Clouds (% Sky Obscured)

87
72
63
84
70
68
81
90
84
81
88
84
88
79
75
59
73
99
97
96
100
100
98
100

Low Clouds (% Sky Obscured)

5
5
2
21
21
24
25
20
24
26
55
42
40
34
13
4
9
14
27
20
19
29
20
16

Medium Clouds (% Sky Obscured)

28
53
28
17
15
14
17
16
49
81
88
84
88
79
75
59
73
84
92
96
96
94
92
94

High Clouds (% Sky Obscured)

25
25
35
25
25
35
30
30
30
9
10
40
22
23
4
2
3
72
82
83
99
100
93
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
1
5
1
0
0
2
3
17
4
16
5
2
7

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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
13
13
12
13
14
16
18
20
21
23
24
25
25
25
24
23
21
19
18
17

Feels Like (°C)

10
10
10
9
9
10
10
9
10
12
14
16
18
18
20
21
21
20
19
19
18
17
16
15

Dew Point (°C)

9
10
10
10
11
11
12
11
11
10
9
10
11
8
8
8
7
8
9
12
11
11
10
10

Relative Humidity (%)

70
75
78
83
87
90
95
90
82
69
55
54
50
38
36
33
32
34
38
52
53
57
59
61

Pressure (mb)

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

Ozone (du)

325
325
325
326
324
323
322
321
322
323
323
321
319
318
319
318
317
315
315
313
313
314
316
315

Wednesday 26

Waxing Gibbous 97%

19:37

03:49

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

Sun - Rise: 06:11, Set: 20:06, Transit: 13:08. Moon - Rise: 19:37, Set: 03:49. Civil Dark: 20:42 - 05:35. Nautical Dark: 21:26 - 04:51. Astro Dark: 22:16 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
100
84
52
49
42
38
66
61
56
45
66
73
100
100
100
100
100
100
89
100
95

Low Clouds (% Sky Obscured)

22
34
44
61
55
33
26
23
20
21
31
39
43
52
45
51
44
33
7
0
0
0
2
25

Medium Clouds (% Sky Obscured)

46
56
36
8
1
0
0
0
0
0
0
5
0
18
16
0
16
0
8
46
92
81
100
95

High Clouds (% Sky Obscured)

100
100
100
100
82
6
0
2
3
27
40
16
2
1
24
100
100
100
100
100
100
43
95
80

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 (%)

18
40
67
58
42
18
17
10
4
1
0
0
0
5
12
11
2
0
2
2
0
1
3
5

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
5
4
3
3
2
2
2
3
7
7
9
9
9
10
10
10
10
11
9
6
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
14
15
15
15
15
14
15
14
14
13
12
11
11
10
10
11
11
11
11
13
13
13
13

Relative Humidity (%)

71
83
92
95
93
93
92
92
82
72
63
55
48
43
40
38
40
42
45
50
61
66
70
72

Pressure (mb)

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

Ozone (du)

318
320
323
324
326
327
327
327
327
328
328
326
325
324
322
321
320
320
320
321
321
323
322
321

Thursday 27

Waxing Gibbous 99%

19:51

05:05

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:12, Set: 20:04, Transit: 13:08. Moon - Rise: 19:51, Set: 05:05. Civil Dark: 20:39 - 05:37. Nautical Dark: 21:23 - 04:53. Astro Dark: 22:13 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
100
100
92
100
75
73
84
100
97
74
90
93
97
100
99
99

Low Clouds (% Sky Obscured)

42
63
69
79
93
66
85
62
59
69
73
46
54
46
56
54
37
35
29
21
12
7
12
17

Medium Clouds (% Sky Obscured)

85
96
71
100
97
27
79
15
76
65
20
30
0
0
7
21
2
74
68
39
72
73
81
91

High Clouds (% Sky Obscured)

96
100
100
100
100
100
88
100
100
100
71
100
24
57
72
96
94
50
78
83
92
100
97
93

ISS Passover

Visibility (miles)

9
3
9
3
3
8
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
Light Rain
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

Precipitation Probability (%)

30
31
62
82
95
95
92
37
11
7
20
7
7
2
0
0
0
0
0
0
16
2
0
4

Precipitation Amount (mm)

0
0
0.4
0.4
0.8
2.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
15
15
16
16
16
16
16
17
17
16
13
10
8
7
6
6
6
9
11
12
12
12

Relative Humidity (%)

71
73
83
86
90
90
90
92
89
88
84
73
58
47
39
35
34
35
38
49
61
70
74
78

Pressure (mb)

1010
1009
1009
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007

Ozone (du)

321
319
323
323
323
326
326
327
327
328
330
331
333
336
337
338
338
336
338
337
335
336
336
338

Friday 28

Full Moon 100%

20:03

06:22

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:14, Set: 20:02, Transit: 13:08. Moon - Rise: 20:03, Set: 06:22. Civil Dark: 20:37 - 05:38. Nautical Dark: 21:21 - 04:55. Astro Dark: 22:10 - 04:06

Total Clouds (% Sky Obscured)

99
99
100
100
89
86
80
85
89
94
96
98
100
100
100
100
100
99
99
93
83
61
62
83

Low Clouds (% Sky Obscured)

25
20
22
20
25
27
26
23
21
16
19
17
20
34
50
60
61
50
48
71
71
60
59
68

Medium Clouds (% Sky Obscured)

92
12
3
0
0
0
0
3
5
8
20
66
91
90
92
94
28
31
65
14
3
4
4
4

High Clouds (% Sky Obscured)

89
93
96
100
71
44
21
28
31
42
64
82
100
100
100
100
99
98
43
35
14
0
3
55

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 (%)

2
1
1
0
0
1
0
5
6
5
23
32
37
40
38
31
24
16
5
6
5
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
7
7
7
7
7
9
11
13
13
14
15
15
14
14
13
11
8
9
10
11
11

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
14
15
17
18
19
20
20
20
20
20
20
19
19
18
17
16
16

Feels Like (°C)

14
14
13
13
13
13
12
13
14
15
16
16
16
17
15
15
16
16
15
15
15
14
15
15

Dew Point (°C)

11
11
12
12
12
11
11
12
12
11
10
8
6
6
5
6
6
6
7
10
12
13
14
15

Relative Humidity (%)

77
79
83
87
86
84
86
86
78
69
59
48
42
38
37
38
39
39
43
58
68
78
90
96

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

339
338
338
338
338
338
339
338
337
337
337
337
336
334
333
333
332
330
331
327
321
318
318
317

Saturday 29

Waning Gibbous 99%

20:14

07:39

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:15, Set: 20:00, Transit: 13:07. Moon - Rise: 20:14, Set: 07:39. Civil Dark: 20:35 - 05:40. Nautical Dark: 21:18 - 04:57. Astro Dark: 22:07 - 04:08

Total Clouds (% Sky Obscured)

86
86
85
84
86
89
100
98
100
100
100
100
100
100
100
100
99
97
94
75
57
40
40
44

Low Clouds (% Sky Obscured)

72
81
58
59
71
68
81
77
64
50
83
89
90
93
94
98
94
90
87
67
49
29
22
14

Medium Clouds (% Sky Obscured)

9
49
85
84
76
22
100
7
8
88
99
60
100
100
100
100
74
46
19
12
5
0
0
0

High Clouds (% Sky Obscured)

55
36
44
41
17
35
53
85
100
100
100
100
100
81
59
47
36
27
17
12
6
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
3
4
4
4
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
1
0
2
4
12
1
2
2
16
62
85
94
95
95
95
95
95
76
55
20
14
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.7
0.8
1.6
2.4
4.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
12
12
11
10
10
11
11
11
10
11
9
7
8
8
9
10
8
7
7
6

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
16
17
18
18
17
17
17
17
16
16
16
15
14
14
13
13

Feels Like (°C)

14
13
13
13
13
12
13
13
13
14
14
15
16
16
15
14
13
13
13
12
15
15
15
16

Dew Point (°C)

15
14
14
14
13
13
13
13
13
11
10
11
14
16
16
15
15
14
13
12
12
12
12
12

Relative Humidity (%)

95
89
89
89
89
90
90
89
86
71
60
63
81
90
90
90
90
87
85
82
84
87
90
90

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1006
1007
1007
1008

Ozone (du)

316
314
311
310
307
305
304
303
302
299
299
298
299
303
304
306
308
309
310
311
311
311
311
310

Sunday 30

Waning Gibbous 96%

20:26

08:57

00 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:17, Set: 19:57, Transit: 13:07. Moon - Rise: 20:26, Set: 08:57. Civil Dark: 20:32 - 05:42. Nautical Dark: 21:16 - 04:59. Astro Dark: 22:04 - 04:11

Total Clouds (% Sky Obscured)

34
44
60
72
73
80
85
87
88
92
90
86
82
84
88
90
82
73
64
60
56
53
59
67

Low Clouds (% Sky Obscured)

7
37
60
72
73
80
85
87
88
92
90
83
74
78
81
85
74
62
51
46
41
36
32
29

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
3
10
14
14
17
19
22
18
17
14
18
20
22
23
20
16
7
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
18
31
40
40
35
35
20
9
0
2
4
7
18
33

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

Precipitation Probability (%)

0
1
2
1
4
5
2
8
4
3
13
21
32
62
84
95
95
95
91
95
90
75
60
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
0.7
0.6
0.5
0.7
0.7
0.6
0.3
0

Wind Speed/Direction (mph)

6
6
6
7
7
7
7
7
8
10
11
13
14
16
16
17
17
16
16
15
15
13
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
13
13
12
12
12
12
12
12
13
12
12
12
19
17
16
16
16
15
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

89
89
83
79
75
75
76
77
75
74
72
61
51
44
46
49
53
57
63
68
75
83
90
89

Pressure (mb)

1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005

Ozone (du)

309
308
308
308
308
308
308
308
309
311
312
313
315
317
319
322
325
327
328
329
330
330
331
331

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 24/08/26 21:19:41. Forecast: 24/08/26 to 30/08/26. Timezone: UTC+1.00