Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 7

Waning Crescent 9%

02:36

18:40

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 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 Good
19 Good

Sun - Rise: 06:31, Set: 19:37, Transit: 13:04. Moon - Rise: 02:36, Set: 18:40. Civil Dark: 20:13 - 05:57. Nautical Dark: 20:55 - 05:16. Astro Dark: 21:40 - 04:31

Total Clouds (% Sky Obscured)

68
75
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
81
39
37
24
2
3

Low Clouds (% Sky Obscured)

0
35
53
58
72
65
70
83
79
74
79
76
65
81
76
74
72
58
49
37
23
19
2
2

Medium Clouds (% Sky Obscured)

68
75
80
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
81
1
4
0
0
0

High Clouds (% Sky Obscured)

68
75
80
100
100
94
99
100
100
100
100
100
100
100
100
100
4
0
15
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
7
7
3
3
6
7
5
5
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

84
95
40
47
60
61
80
95
95
95
95
95
95
95
95
63
39
10
18
3
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0.4
0.8
0.8
0.7
0.7
0.5
0.8
0.5
0.8
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
10
11
10
12
10
9
9
9
9
9
7
8
9
10
10
13
13
15
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
13
12
12
11
10
10
11
10
11
11
12
11
11
12
12
12
12
13
13
13
12

Dew Point (°C)

11
11
11
11
11
12
12
12
12
12
12
13
13
13
12
12
11
12
10
9
6
5
6
8

Relative Humidity (%)

70
77
75
78
80
89
93
92
93
95
95
96
96
96
90
90
80
86
70
59
45
44
50
60

Pressure (mb)

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

Ozone (du)

298
298
298
298
298
297
297
295
295
295
295
297
299
302
307
312
314
328
336
340
332
333
336
339

Tuesday 8

Waning Crescent 4%

04:05

18:57

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

Sun - Rise: 06:33, Set: 19:35, Transit: 13:04. Moon - Rise: 04:05, Set: 18:57. Civil Dark: 20:11 - 05:59. Nautical Dark: 20:52 - 05:18. Astro Dark: 21:37 - 04:34

Total Clouds (% Sky Obscured)

0
0
9
0
9
20
23
19
0
0
8
20
18
34
49
54
56
43
45
61
49
67
35
33

Low Clouds (% Sky Obscured)

0
0
8
0
5
12
14
12
0
0
8
19
17
31
48
54
50
30
30
25
23
54
25
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
13
11
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
2

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

Chance of Frost

Temperature (°C)

14
13
12
11
11
11
11
11
10
10
10
9
11
12
14
15
16
17
18
18
18
18
17
16

Feels Like (°C)

12
11
11
10
10
10
10
10
10
10
9
9
11
11
13
13
13
15
17
17
18
18
17
17

Dew Point (°C)

8
8
9
9
9
9
9
9
9
9
9
8
8
7
7
7
7
6
5
4
4
5
6
8

Relative Humidity (%)

68
75
79
84
87
88
88
91
93
93
93
93
83
71
61
56
54
46
42
40
40
41
47
57

Pressure (mb)

1011
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1019

Ozone (du)

340
340
340
340
341
341
342
339
337
335
335
334
334
333
332
332
333
332
330
327
325
324
320
318

Wednesday 9

Waning Crescent 1%

05:31

19:10

20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
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

Sun - Rise: 06:34, Set: 19:32, Transit: 13:03. Moon - Rise: 05:31, Set: 19:10. Civil Dark: 20:09 - 06:01. Nautical Dark: 20:50 - 05:20. Astro Dark: 21:34 - 04:36

Total Clouds (% Sky Obscured)

27
24
22
99
52
53
39
100
100
100
100
88
78
87
64
64
45
58
76
84
100
100
100
100

Low Clouds (% Sky Obscured)

22
10
6
0
0
0
0
0
0
0
0
3
51
44
43
42
27
33
28
28
30
26
10
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
26
9
67
78
75
64
6
12
18
25
27
22
13
18
21

High Clouds (% Sky Obscured)

0
2
10
99
52
50
36
100
100
100
100
81
44
70
19
34
1
28
62
84
100
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
5
0
0
0
0
0
0
0
0
0
0
0
0
0
27

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
3
2
2
2
2
2
2
2
2
3
3
3
3
7
9
10
11
10
10
11
11
10
10

Chance of Frost

Temperature (°C)

14
13
12
11
10
10
9
9
8
8
8
8
9
12
14
16
17
18
18
18
18
18
17
16

Feels Like (°C)

15
14
13
11
9
9
8
7
7
7
7
7
8
11
13
13
14
16
17
16
16
14
14
14

Dew Point (°C)

7
8
7
6
6
5
5
5
5
5
5
5
5
8
9
8
8
7
6
6
6
6
7
9

Relative Humidity (%)

63
71
73
73
73
74
75
75
78
77
78
79
76
75
70
59
53
49
46
44
43
45
52
63

Pressure (mb)

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

Ozone (du)

314
312
311
308
306
305
304
303
303
302
303
304
303
305
307
310
314
308
304
302
300
298
297
296

Thursday 10

Waning Crescent 0%

06:54

19:23

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

Sun - Rise: 06:36, Set: 19:30, Transit: 13:03. Moon - Rise: 06:54, Set: 19:23. Civil Dark: 20:06 - 06:02. Nautical Dark: 20:47 - 05:21. Astro Dark: 21:31 - 04:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
86
67
67
58
60
61
57
58
67
67
68
72
74
76
84
78
52
48

Low Clouds (% Sky Obscured)

23
25
87
94
100
96
81
28
47
30
56
61
55
57
63
65
63
68
72
74
74
58
28
19

Medium Clouds (% Sky Obscured)

27
68
100
100
100
71
4
0
0
1
4
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
70
37
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
26
38
41

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

Precipitation Probability (%)

47
67
77
94
95
83
65
23
16
13
2
3
3
0
1
8
8
9
10
8
6
5
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
79
79
82
82
80
87
93
95
95
95
89
79
71
70
67
70
73
72
72
77
77
85

Pressure (mb)

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

Ozone (du)

296
299
301
306
313
317
315
311
311
310
309
310
310
310
313
314
315
318
318
318
316
315
314
314

Friday 11

New Moon 2%

08:15

19:35

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

Sun - Rise: 06:38, Set: 19:28, Transit: 13:03. Moon - Rise: 08:15, Set: 19:35. Civil Dark: 20:04 - 06:04. Nautical Dark: 20:45 - 05:23. Astro Dark: 21:28 - 04:40

Total Clouds (% Sky Obscured)

57
64
60
32
10
13
16
30
42
55
64
52
36
24
43
63
80
85
91
98
98
99
100
100

Low Clouds (% Sky Obscured)

16
12
20
12
10
13
15
6
7
14
22
30
29
24
24
18
11
8
4
0
0
0
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
4
5
6
6
7
6
5
3
12

High Clouds (% Sky Obscured)

50
48
41
22
2
2
14
30
42
55
64
42
33
24
35
46
57
71
85
98
98
99
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
1
2
2
2
1
0
0
0
0
1

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
4
3
3
3
3
3
2
2
1
1
1
4
5
7
8
10
11
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

15
14
13
12
12
11
11
10
10
9
9
9
11
13
15
17
18
19
19
20
20
19
19
18

Feels Like (°C)

17
15
15
13
13
11
11
10
9
9
9
8
9
10
11
12
13
13
20
19
18
18
19
20

Dew Point (°C)

14
13
12
11
11
10
10
9
8
8
8
8
9
10
12
11
11
10
10
9
9
10
11
12

Relative Humidity (%)

92
92
93
95
96
95
93
91
90
91
91
93
87
83
78
69
62
55
53
50
48
54
60
67

Pressure (mb)

1024
1024
1025
1025
1025
1026
1026
1026
1025
1026
1026
1026
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1020

Ozone (du)

313
312
309
304
301
299
296
294
293
293
292
292
292
293
293
294
295
295
295
294
294
295
295
296

Saturday 12

Waxing Crescent 7%

09:34

19:48

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

Sun - Rise: 06:39, Set: 19:26, Transit: 13:02. Moon - Rise: 09:34, Set: 19:48. Civil Dark: 19:59 - 06:06. Nautical Dark: 20:42 - 05:25. Astro Dark: 21:26 - 04:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
96
93
90
91
92
93
78
63
48
56
62
69
58

Low Clouds (% Sky Obscured)

0
0
23
45
68
74
80
86
89
93
97
94
90
86
83
81
78
65
52
40
32
31
25
21

Medium Clouds (% Sky Obscured)

22
31
52
74
96
97
99
100
68
37
7
5
3
2
0
0
2
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
79
58
40
40
44
48
54
59
62
47
33
15
19
23
17
9

ISS Passover

Visibility (miles)

9
9
9
7
5
2
3
4
5
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
46
74
95
95
94
82
72
68
60
48
35
14
19
20
23
21
15
2
2
2
0
2

Precipitation Amount (mm)

0
0
0
0.4
0.7
0.7
0.6
0.4
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
16
15
15
13
14
14
14
15
15
15
16
16
16
15
15
19
19
18
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

73
78
83
87
92
96
96
98
98
95
93
92
90
89
88
80
71
64
61
58
55
59
66
73

Pressure (mb)

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

Ozone (du)

297
297
298
299
300
301
304
306
309
310
311
311
308
304
301
298
296
293
292
291
290
287
284
282

Sunday 13

Waxing Crescent 13%

10:52

20:03

20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 06:41, Set: 19:23, Transit: 13:02. Moon - Rise: 10:52, Set: 20:03. Civil Dark: 19:57 - 06:07. Nautical Dark: 20:40 - 05:27. Astro Dark: 21:23 - 04:44

Total Clouds (% Sky Obscured)

47
37
55
73
91
83
75
68
64
53
43
36
33
33
39
44
50

Low Clouds (% Sky Obscured)

19
14
14
11
6
3
0
0
3
3
3
3
3
3
4
4
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
6
32
59
86
69
52
36
23
10
1
0
0
0
20
40
50

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
2
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
86
93
95
95
95
95
95
95
95
96
96
84
76
67
61
54

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

280
278
277
275
274
273
273
273
273
273
273
273
273
273
274
274
274

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

Generated: 07/09/26 20:03:42. Forecast: 07/09/26 to 13/09/26. Timezone: UTC+1.00