Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 100%

20:53

04:49

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 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK

Sun - Rise: 05:27, Set: 21:01, Transit: 13:13. Moon - Rise: 20:53, Set: 04:49. Civil Dark: 21:42 - 04:46. Nautical Dark: 22:39 - 03:50. Astro Dark: 00:03 - 02:28

Total Clouds (% Sky Obscured)

98
96
95
98
96
95
94
90
75
89
59
70
87
50
4
2
2
4
2
2
2
2
23
26

Low Clouds (% Sky Obscured)

54
48
51
54
41
40
41
37
14
23
16
16
16
6
0
0
0
0
0
0
0
0
19
19

Medium Clouds (% Sky Obscured)

68
81
84
83
82
82
66
65
69
80
41
36
29
17
2
2
2
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
38
44
43
45
40
11
7
4
2
15
23
85
26
2
0
0
2
2
2
2
2
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)

4
5
9
9
10
9
9
10
9
9
9
9
9
9
8
6
5
3
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

18
18
19
20
22
23
25
26
27
28
28
28
27
26
25
23
21
20
18
17
16
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
93
84
72
61
52
44
38
35
32
30
29
30
33
40
56
68
77
82
85
86
89
87
87

Pressure (mb)

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

Ozone (du)

319
317
317
318
319
321
322
324
324
323
323
323
325
328
329
332
331
331
332
332
332
333
334
333

Wednesday 29

Full Moon 100%

21:14

06:05

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

Sun - Rise: 05:28, Set: 21:00, Transit: 13:13. Moon - Rise: 21:14, Set: 06:05. Civil Dark: 21:41 - 04:47. Nautical Dark: 22:37 - 03:52. Astro Dark: 23:58 - 02:32

Total Clouds (% Sky Obscured)

12
4
2
2
2
10
30
27
27
63
26
24
50
6
35
32
59
67
72
77
45
49
61
57

Low Clouds (% Sky Obscured)

10
4
2
0
0
5
26
27
27
31
22
11
0
0
0
0
11
14
21
23
36
43
46
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
15
2

High Clouds (% Sky Obscured)

0
0
0
2
2
6
2
0
0
36
2
12
50
6
35
32
40
40
30
30
4
0
0
17

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
3
4
6
7
9
10
11
11
12
15
15
14
12
11
10
9
8
8
8
7
7
6

Chance of Frost

Temperature (°C)

15
17
20
22
24
26
28
29
29
28
28
26
25
24
22
20
19
18
17
16
16
16
16
16

Feels Like (°C)

18
19
22
24
25
26
27
28
27
27
26
23
22
20
20
17
16
15
16
15
15
16
16
16

Dew Point (°C)

13
12
13
13
12
11
11
10
9
7
6
7
9
12
12
12
14
14
15
15
16
15
15
16

Relative Humidity (%)

87
75
62
54
44
38
34
30
28
26
24
28
36
46
53
60
75
79
86
92
98
96
98
98

Pressure (mb)

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

Ozone (du)

331
328
326
325
324
322
323
323
323
322
324
324
324
326
325
325
325
325
324
324
326
327
328
328

Thursday 30

Waning Gibbous 98%

21:30

06:05

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

Sun - Rise: 05:30, Set: 20:58, Transit: 13:13. Moon - Rise: 21:30, Set: 06:05. Civil Dark: 21:39 - 04:49. Nautical Dark: 22:34 - 03:54. Astro Dark: 23:54 - 02:37

Total Clouds (% Sky Obscured)

78
98
84
96
88
86
77
70
54
53
12
23
5
23
33
33
3
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

53
79
84
93
66
31
30
23
12
0
1
14
3
15
20
21
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
6
14
26
10
8
10
70
54
53
12
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
61
28
35
40
35
35
40
32
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
11
4
4
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
7
9
10
11
12
13
14
14
15
14
14
13
14
12
10
8
7
5
4
3
3
2
2

Chance of Frost

Temperature (°C)

16
17
18
19
20
21
22
23
24
24
23
23
22
21
19
17
16
15
14
13
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

16
16
15
14
14
9
4
2
0
-1
1
3
4
5
6
6
6
6
6
7
7
7
6
7

Relative Humidity (%)

98
93
85
76
66
44
30
25
21
20
22
26
30
36
43
49
52
53
59
65
70
72
74
76

Pressure (mb)

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

Ozone (du)

328
328
328
328
328
330
332
335
337
341
347
351
351
349
349
350
351
351
351
352
356
357
355
356

Friday 31

Waning Gibbous 94%

21:43

07:21

06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
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
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:31, Set: 20:56, Transit: 13:13. Moon - Rise: 21:43, Set: 07:21. Civil Dark: 21:37 - 04:51. Nautical Dark: 22:32 - 03:56. Astro Dark: 23:49 - 02:41

Total Clouds (% Sky Obscured)

0
0
0
0
6
11
15
31
71
81
85
85
84
88
94
100
100
100
100
100
100
97
76
81

Low Clouds (% Sky Obscured)

0
0
0
0
4
8
14
11
7
2
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
1
1
9
31
19
28
19
17
39
77
70
63
4
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
69
81
82
79
76
83
92
100
100
100
100
100
97
65
72
67

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)

1
1
1
2
4
6
7
8
9
10
10
10
10
10
9
7
5
4
4
4
4
3
2
2

Chance of Frost

Temperature (°C)

11
12
14
17
19
20
21
23
23
23
24
23
23
22
20
18
16
15
15
14
14
13
12
12

Feels Like (°C)

11
13
15
17
18
19
20
21
21
19
19
19
18
16
15
14
13
13
12
11
11
11
11
13

Dew Point (°C)

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

Relative Humidity (%)

73
61
49
40
35
32
28
26
24
24
23
22
24
30
39
47
55
58
59
57
61
70
75
81

Pressure (mb)

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

Ozone (du)

357
358
359
358
358
358
357
352
347
342
338
336
334
333
334
333
333
332
332
332
331
331
331
333

Saturday 1

Waning Gibbous 88%

21:54

08:37

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

Sun - Rise: 05:33, Set: 20:55, Transit: 13:13. Moon - Rise: 21:54, Set: 08:37. Civil Dark: 21:35 - 04:52. Nautical Dark: 22:29 - 03:59. Astro Dark: 23:45 - 02:45

Total Clouds (% Sky Obscured)

86
68
46
24
50
72
97
89
87
81
82
80
97
31
38
46
41
37
33
55
79
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
1
0
0
4
6
8
6
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
8
6
6
6
6
8
19
28
36
26
18
11
5
2
0
0
0
0
1
1
3
6
8

High Clouds (% Sky Obscured)

76
53
29
1
30
55
86
57
32
7
28
50
95
13
14
15
15
20
20
47
73
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)

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

Chance of Frost

Temperature (°C)

12
13
16
18
20
22
23
24
25
25
26
25
25
24
20
18
16
15
14
14
13
12
12
12

Feels Like (°C)

13
14
16
18
20
21
22
22
23
23
23
23
23
20
18
18
18
17
16
15
9
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

80
68
56
49
42
37
32
27
24
23
22
21
22
27
35
45
59
59
62
63
66
70
72
70

Pressure (mb)

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

Ozone (du)

335
338
340
339
338
337
336
335
334
334
334
333
333
332
332
331
331
331
331
332
333
334
335
335

Sunday 2

Waning Gibbous 80%

22:05

09:52

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 Good
02 OK
03 OK
04 OK
05 OK

Sun - Rise: 05:34, Set: 20:53, Transit: 13:13. Moon - Rise: 22:05, Set: 09:52. Civil Dark: 21:33 - 04:54. Nautical Dark: 22:27 - 04:01. Astro Dark: 23:41 - 02:49

Total Clouds (% Sky Obscured)

100
96
93
89
77
64
51
54
60
65
61
56
48
55
65
74
53
34
12
17
24
31
38
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
6
10
7
4
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
12
19
19
28
36
44
33
25
16
11
7
4
3
3
2
1
1
0
5
10
15
14
10

High Clouds (% Sky Obscured)

100
86
72
59
48
34
20
29
35
39
37
32
30
39
45
51
40
27
10
8
5
1
12
22

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)

4
4
6
8
9
9
8
7
7
6
6
6
7
7
7
7
7
7
7
8
8
7
6
7

Chance of Frost

Temperature (°C)

12
13
15
17
19
21
23
25
25
26
27
26
26
26
23
21
19
18
17
16
16
15
15
15

Feels Like (°C)

9
9
11
12
12
14
14
15
23
24
23
23
24
24
24
23
23
22
21
21
15
14
15
15

Dew Point (°C)

7
7
7
6
6
6
6
5
4
4
3
3
3
2
3
4
5
7
8
10
10
10
11
11

Relative Humidity (%)

69
69
57
49
42
36
32
28
26
24
21
21
22
22
27
32
39
46
54
64
68
73
78
76

Pressure (mb)

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

Ozone (du)

336
336
335
334
333
332
331
331
330
329
328
329
329
329
329
329
328
329
330
331
330
330
329
328

Monday 3

Waning Gibbous 71%

22:17

11:10

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
00 Bad

Sun - Rise: 05:36, Set: 20:51, Transit: 13:13. Moon - Rise: 22:17, Set: 11:10. Civil Dark: 21:31 - 04:56. Nautical Dark: 22:25 - 04:03. Astro Dark: 23:36 - 02:53

Total Clouds (% Sky Obscured)

49
52
58
68
70
72
78
88
95
100
99
97
95
91
88
81
85
89
94

Low Clouds (% Sky Obscured)

0
0
0
0
1
3
4
17
31
44
51
61
67
53
43
36
35
36
39

Medium Clouds (% Sky Obscured)

8
6
5
4
10
16
21
21
26
26
31
31
31
31
31
31
45
60
73

High Clouds (% Sky Obscured)

32
42
54
61
59
62
60
71
88
100
96
93
89
83
80
65
52
43
39

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

Precipitation Probability (%)

0
0
0
0
0
0
0
9
15
19
33
42
49
52
59
66
60
53
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
9
11
13
13
13
13
13
13
13
12
12
12
11
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
16
16
16
17
17
18
24
22
20
20
19
19
15
15
16
16
16

Dew Point (°C)

11
11
9
8
6
5
4
3
2
1
0
-0
-1
-1
-1
-0
0
2
4

Relative Humidity (%)

74
74
58
45
35
31
26
22
22
21
21
22
24
25
27
30
33
39
46

Pressure (mb)

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

Ozone (du)

328
327
327
326
326
325
325
325
324
323
322
323
324
325
327
328
330
329
329

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

Generated: 28/07/26 05:35:23. Forecast: 28/07/26 to 03/08/26. Timezone: UTC+1.00