Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 8

Waning Crescent 4%

04:05

18:40

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

Sun - Rise: 06:33, Set: 19:37, Transit: 13:04. Moon - Rise: 04:05, Set: 18:40. Civil Dark: 20:11 - 05:59. Nautical Dark: 20:52 - 05:18. Astro Dark: 21:37 - 04:34

Total Clouds (% Sky Obscured)

65
59
57
23
7
1
27
43
30
34
39
19
24
29
30
30
46
57
61
68
72
73
57
50

Low Clouds (% Sky Obscured)

24
17
10
6
6
1
12
32
23
28
37
17
24
17
15
10
26
44
56
67
72
73
51
44

Medium Clouds (% Sky Obscured)

0
18
4
4
0
0
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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
1
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)

12
14
15
13
11
10
10
9
9
8
8
7
8
8
8
7
7
10
11
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
5
5
8
8
8
9
9
9
9
9
9
9
9
7
6
6
7
6
6
6
7
7
6

Relative Humidity (%)

43
47
51
65
70
75
79
81
84
87
90
91
90
87
81
72
68
67
60
53
51
53
51
46

Pressure (mb)

1008
1008
1009
1009
1010
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1018
1018
1018
1018
1018
1018

Ozone (du)

333
334
335
336
339
341
341
343
344
344
342
342
340
337
337
337
335
334
336
335
335
338
336
331

Wednesday 9

Waning Crescent 1%

05:31

18:57

16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
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

Sun - Rise: 06:34, Set: 19:35, Transit: 13:03. Moon - Rise: 05:31, Set: 18:57. Civil Dark: 20:09 - 06:01. Nautical Dark: 20:50 - 05:20. Astro Dark: 21:34 - 04:36

Total Clouds (% Sky Obscured)

75
85
61
68
46
37
68
100
100
100
100
100
100
100
100
95
78
53
51
83
86
100
99
100

Low Clouds (% Sky Obscured)

69
84
61
68
38
32
26
12
8
0
0
0
0
0
0
0
0
0
18
46
57
75
77
74

Medium Clouds (% Sky Obscured)

12
7
0
0
0
0
0
0
0
0
0
0
0
15
50
67
25
12
16
6
21
15
11
11

High Clouds (% Sky Obscured)

0
0
0
0
2
2
46
100
100
100
100
100
100
100
100
71
18
5
0
0
4
100
95
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
1
0
8
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)

8
8
8
7
6
5
4
4
3
3
3
3
3
3
3
3
3
5
7
10
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
50
54
58
62
75
81
83
86
84
85
84
85
84
82
81
77
66
61
59
56
52
56
53

Pressure (mb)

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

Ozone (du)

329
328
324
321
318
317
317
315
315
313
312
310
309
307
308
310
311
311
312
310
309
305
303
300

Thursday 10

Waning Crescent 0%

06:54

19:10

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 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:36, Set: 19:32, Transit: 13:03. Moon - Rise: 06:54, Set: 19:10. 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
100
100
98
100
85
64
55
54
47
44
36
32
43
64
65
61
63
59
71

Low Clouds (% Sky Obscured)

38
64
75
94
100
100
98
98
100
53
46
45
41
47
44
36
27
43
48
42
36
42
55
71

Medium Clouds (% Sky Obscured)

24
25
100
20
100
96
82
13
13
10
0
0
4
0
0
0
0
0
0
0
0
50
3
0

High Clouds (% Sky Obscured)

100
100
100
97
64
21
0
0
0
0
0
0
0
0
0
1
14
3
28
35
25
18
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
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
Very Light Rain
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

Precipitation Probability (%)

1
15
60
95
95
95
95
88
26
6
7
6
1
1
1
0
0
0
0
0
1
0
1
0

Precipitation Amount (mm)

0
0
0.2
2.4
1.4
0.6
1.8
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
13
11
12
13
12
12
11
9
5
5
5
5
6
7
9
10
10
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
64
69
73
75
84
90
93
95
92
96
98
98
95
92
92
90
78
69
64
59
56
54
59

Pressure (mb)

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

Ozone (du)

299
299
298
298
300
305
308
309
313
312
311
311
309
308
307
303
302
303
303
305
309
311
313
313

Friday 11

New Moon 2%

08:15

19:23

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

Sun - Rise: 06:38, Set: 19:30, Transit: 13:03. Moon - Rise: 08:15, Set: 19:23. Civil Dark: 20:04 - 06:04. Nautical Dark: 20:45 - 05:23. Astro Dark: 21:28 - 04:40

Total Clouds (% Sky Obscured)

48
42
45
44
75
43
43
49
69
74
80
76
71
81
93
72
51
29
46
43
56
77
48
49

Low Clouds (% Sky Obscured)

25
16
15
15
18
19
22
23
21
22
24
23
27
23
27
26
18
3
13
24
33
54
32
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
5
4
7
3
3
3
3
3
3
4
3

High Clouds (% Sky Obscured)

9
19
30
21
20
2
1
1
10
20
26
30
26
46
73
67
51
29
46
18
23
20
18
15

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)

8
7
6
5
4
4
3
3
2
2
1
1
1
1
1
2
3
5
6
8
9
11
11
12

Chance of Frost

Temperature (°C)

19
19
18
17
16
15
14
13
12
12
11
11
11
11
10
11
12
14
15
17
18
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
57
56
64
70
74
78
77
77
76
77
77
78
80
84
84
80
71
62
54
49
44
45
48

Pressure (mb)

1021
1021
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022

Ozone (du)

314
314
311
308
304
301
298
297
295
295
294
293
292
291
290
290
290
291
292
293
294
293
293
293

Saturday 12

Waxing Crescent 7%

09:34

19:35

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 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:39, Set: 19:28, Transit: 13:02. Moon - Rise: 09:34, Set: 19:35. Civil Dark: 20:02 - 06:06. Nautical Dark: 20:42 - 05:25. Astro Dark: 21:26 - 04:42

Total Clouds (% Sky Obscured)

53
86
93
93
92
91
92
96
98
88
77
65
75
85
94
95
94
94
94
95
93
87
79
74

Low Clouds (% Sky Obscured)

35
71
74
74
75
72
71
62
63
78
77
65
75
85
93
79
82
85
78
69
58
43
28
12

Medium Clouds (% Sky Obscured)

9
59
45
8
12
7
57
96
31
55
77
65
75
8
11
20
24
28
22
15
9
8
7
6

High Clouds (% Sky Obscured)

19
24
36
35
29
26
36
48
73
86
70
50
42
39
35
37
30
25
26
27
27
36
44
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
7
2
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
1
0
0
2
18
50
81
95
55
24
26
23
19
15
16
15
11
7
7
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
11
10
9
8
8
8
8
9
9
10
10
9
9
10
8
9
10
11
11
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
57
64
72
74
73
74
79
83
86
87
93
96
96
92
95
89
85
79
73
68
61
58
56

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1021
1021

Ozone (du)

292
292
292
292
292
293
293
295
296
296
296
295
298
301
302
305
305
306
306
303
301
298
295
293

Sunday 13

Waxing Crescent 13%

10:52

19:48

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

Sun - Rise: 06:41, Set: 19:26, Transit: 13:02. Moon - Rise: 10:52, Set: 19:48. Civil Dark: 19:59 - 06:07. Nautical Dark: 20:40 - 05:27. Astro Dark: 21:23 - 04:44

Total Clouds (% Sky Obscured)

62
53
48
60
75
92
78
63
48
39
38
41
47
53
55
54
53
52
56
56
56
63
69
76

Low Clouds (% Sky Obscured)

10
7
8
6
1
0
0
0
0
0
0
0
2
4
9
8
9
8
14
21
27
41
56
69

Medium Clouds (% Sky Obscured)

5
5
5
26
49
72
50
28
5
4
4
3
5
4
4
4
5
5
2
3
5
4
3
2

High Clouds (% Sky Obscured)

58
53
48
53
65
80
64
48
30
20
12
7
8
8
9
7
6
4
3
3
2
3
3
3

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
1
0
1
0
0
1
1
0
0
0
0
0
1
1
3
1
0
1
1
0
1
6
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
59
65
72
76
81
86
87
90
93
95
95
95
96
96
96
90
83
78
71
66
60
61
62

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

291
288
286
284
282
280
278
277
276
274
275
275
275
274
274
273
273
272
272
272
271
271
271
270

Monday 14

Waxing Crescent 12%

12:10

20:03

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 OK
10 OK
11 OK
12 Bad

Sun - Rise: 06:42, Set: 19:23, Transit: 13:02. Moon - Rise: 12:10, Set: 20:03. Civil Dark: 19:57 - 06:09. Nautical Dark: 20:37 - 05:29. Astro Dark: 21:20 - 04:46

Total Clouds (% Sky Obscured)

73
70
64
63
68
72
75
78
81
83
84
85
86
80
75
56
39
26
34
42
50

Low Clouds (% Sky Obscured)

71
67
64
54
42
30
24
17
9
5
0
0
4
3
3
3
3
3
9
15
22

Medium Clouds (% Sky Obscured)

7
6
7
6
4
2
5
9
16
22
23
20
26
29
33
20
10
0
1
1
0

High Clouds (% Sky Obscured)

4
5
5
3
2
1
1
0
0
28
57
85
54
25
3
3
1
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

Fog (%)

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

Precipitation Probability (%)

9
7
1
3
5
2
8
11
6
34
37
41
44
39
31
31
22
1
2
1
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

Wind Speed/Direction (mph)

10
10
9
9
9
9
9
9
8
8
8
8
9
8
8
8
10
12
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
22
22
18
19
19
19
19
18
18
19
19
18
18
18
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

62
65
68
71
77
85
93
93
93
93
95
93
95
93
95
95
87
79
74
69
64

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

270
271
271
272
273
274
274
275
275
275
277
279
281
284
288
291
290
289
288
286
284

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

Generated: 08/09/26 16:12:14. Forecast: 08/09/26 to 14/09/26. Timezone: UTC+1.00