Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 11

New Moon 2%

08:15

19:35

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

49
43
47
70
78
33
17
40
44
92
79
54
70
74
70
88
82
88
86
87
99
100
100
100

Low Clouds (% Sky Obscured)

23
25
19
18
17
3
2
17
0
21
6
34
32
39
58
76
72
68
74
69
81
93
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
19
19
15
10
14
18
18
10
21
16
15
69
15
20
94

High Clouds (% Sky Obscured)

46
35
1
51
64
28
13
23
7
44
26
9
31
23
4
2
1
1
8
18
25
64
33
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
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
1
3
9
9
18
17
17
12

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
6
4
5
4
4
4
5
5
5
6
7
9
11
14
15
14
14
15
15
16
14
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
89
92
93
92
93
95
95
95
95
93
84
75
67
60
60
59
59
59
59
63
70
73

Pressure (mb)

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

Ozone (du)

299
297
294
294
295
295
296
294
293
292
292
292
292
292
293
295
298
299
299
300
300
299
298
299

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 OK
18 OK
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
98
100
100
100
100
100
100
100
100
99
69
80
53
95
100
67
66
52
52
71
48
46
99

Low Clouds (% Sky Obscured)

98
77
100
95
100
100
99
100
97
90
63
40
46
51
55
70
67
66
39
32
49
25
3
0

Medium Clouds (% Sky Obscured)

71
52
74
76
15
51
97
100
91
82
50
69
77
0
0
0
0
0
0
0
0
0
8
8

High Clouds (% Sky Obscured)

100
55
100
100
96
94
100
100
100
100
90
30
5
0
81
100
5
0
0
11
25
10
22
98

ISS Passover

Visibility (miles)

9
5
9
9
8
9
9
9
0
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 (%)

29
28
37
31
32
33
43
18
52
39
15
1
0
0
0
2
1
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
12
12
12
12
12
12
12
12
12
11
10
9
10
9
9
9
9
9
8
9
8
8
7

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
17
17
17
17
17
17
17
17
18
19
20
21
21
22
22
22
21
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
78
83
85
89
93
93
95
96
95
90
92
92
86
75
69
62
59
53
48
49
51
58
69

Pressure (mb)

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

Ozone (du)

298
297
297
295
294
292
292
291
291
290
292
298
305
302
297
295
293
290
288
288
287
286
288
288

Sunday 13

Waxing Crescent 13%

10:52

20:03

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: 06:41, 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)

100
100
100
100
96
90
96
99
92
97
100
79
81
95
86
93
89
86
83
74
70
67
46
77

Low Clouds (% Sky Obscured)

0
17
17
22
19
18
17
34
35
49
54
58
74
87
84
89
84
83
83
64
59
58
14
45

Medium Clouds (% Sky Obscured)

9
66
14
83
78
15
4
8
4
4
4
0
0
10
0
3
10
9
7
6
3
5
4
44

High Clouds (% Sky Obscured)

100
100
100
100
74
41
85
96
74
87
100
50
7
7
3
2
0
0
0
0
11
22
36
51

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
3
2
1
1
1
2
0
0
0
0
0
0
4
12
19
10
4
12
0
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
0
0
0

Wind Speed/Direction (mph)

5
4
4
4
4
5
5
5
5
6
6
6
7
9
10
12
12
12
12
13
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
80
80
81
86
92
95
95
95
96
95
90
86
85
82
79
81
75
72
65
66
72
80

Pressure (mb)

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

Ozone (du)

287
287
288
287
286
285
285
283
283
282
281
280
278
278
279
280
281
282
283
282
281
281
283
284

Monday 14

Waxing Crescent 21%

12:10

20:03

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 OK
18 Good
19 Good

Sun - Rise: 06:42, Set: 19:21, Transit: 13:02. Moon - Rise: 12:10, Set: 20:03. Civil Dark: 19:54 - 06:09. Nautical Dark: 20:37 - 05:29. Astro Dark: 21:20 - 04:46

Total Clouds (% Sky Obscured)

93
100
94
78
82
80
74
81
79
79
75
79
83
81
77
87
88
77
70
63
50
13
0
2

Low Clouds (% Sky Obscured)

20
23
27
29
28
30
25
21
27
24
40
58
74
71
60
65
60
56
57
60
50
12
0
2

Medium Clouds (% Sky Obscured)

85
85
85
40
82
55
16
8
10
18
20
22
44
70
19
52
4
10
60
63
3
4
0
0

High Clouds (% Sky Obscured)

77
100
61
32
1
30
58
75
48
28
2
7
45
50
10
21
28
19
23
27
3
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
9
6
7
9
9
9
8
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
1
1
0
0
0
0
8
23
34
37
48
37
27
33
30
29
23
7
4
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
16
15
16
15
15
15
15
15
15
15
15
15
15
16
15
15
14
12
12
12
10
9
10

Relative Humidity (%)

86
88
88
92
93
95
96
95
95
96
96
96
93
90
88
80
80
76
66
70
73
61
62
72

Pressure (mb)

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

Ozone (du)

287
290
289
288
290
289
291
291
290
289
290
291
292
291
298
302
306
308
311
313
317
323
327
331

Tuesday 15

Waxing Crescent 30%

13:25

20:22

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

Sun - Rise: 06:44, Set: 19:19, Transit: 13:01. Moon - Rise: 13:25, Set: 20:22. Civil Dark: 19:52 - 06:11. Nautical Dark: 20:35 - 05:30. Astro Dark: 21:17 - 04:48

Total Clouds (% Sky Obscured)

6
10
15
23
30
31
32
33
35
36
42
41
42
41
49
57
70
82
91
98
97
96
95
93

Low Clouds (% Sky Obscured)

5
10
13
18
19
17
15
16
14
13
17
14
18
21
27
33
39
27
14
2
1
1
4
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
0
0
1
1
7
14
20
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
14
11
8
15
22
29
40
51
62
67
78
80
78

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
79
84
86
87
90
93
95
96
96
95
84
73
63
58
53
48
46
44
42
47
52
57

Pressure (mb)

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

Ozone (du)

332
335
337
340
340
336
335
336
337
338
338
335
331
327
323
319
316
313
311
309
307
304
301
298

Wednesday 16

Waxing Crescent 39%

14:34

20:47

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: 06:46, Set: 19:16, Transit: 13:01. Moon - Rise: 14:34, Set: 20:47. Civil Dark: 19:50 - 06:12. Nautical Dark: 20:32 - 05:32. Astro Dark: 21:15 - 04:50

Total Clouds (% Sky Obscured)

93
91
85
76
68
76
84
94
93
91
90
91
92
92
93
95
96
96
96
96
93
90
88
84

Low Clouds (% Sky Obscured)

1
2
14
26
39
54
70
85
90
91
90
91
87
81
71
61
51
41
31
26
43
64
74
52

Medium Clouds (% Sky Obscured)

63
83
81
74
67
67
67
67
72
80
89
59
30
0
0
0
0
0
0
0
0
0
1
5

High Clouds (% Sky Obscured)

88
86
77
69
57
62
62
60
46
36
26
35
43
51
59
68
79
71
59
46
28
13
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
1
5
3
23
29
31
29
30
32
32
29
23
18
10
0
4
4
5
8

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
6
5
5
5
6
6
7
9
8
7
7
8
9
11
11
12
13
13
13
13
12
11
10

Chance of Frost

Temperature (°C)

14
13
12
12
11
11
11
12
12
12
13
13
13
14
15
15
16
17
17
17
17
16
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
70
77
81
86
91
88
87
86
89
92
95
89
83
78
67
57
49
49
49
48
50
53
56

Pressure (mb)

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

Ozone (du)

296
295
294
293
293
293
295
298
300
299
298
296
297
298
299
301
302
303
304
305
305
305
305
304

Thursday 17

Waxing Crescent 49%

15:34

21:22

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

Sun - Rise: 06:47, Set: 19:14, Transit: 13:01. Moon - Rise: 15:34, Set: 21:22. Civil Dark: 19:47 - 06:14. Nautical Dark: 20:30 - 05:34. Astro Dark: 21:12 - 04:52

Total Clouds (% Sky Obscured)

74
65
67
70
72
75
77
80
84
83
84
76
70
66
64
62
60

Low Clouds (% Sky Obscured)

31
8
9
7
4
3
0
0
4
3
3
3
4
4
5
7
8

Medium Clouds (% Sky Obscured)

9
9
9
9
13
17
17
15
16
14
11
5
3
2
3
5
6

High Clouds (% Sky Obscured)

0
0
1
2
3
9
14
20
42
62
79
66
54
45
52
58
60

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 (%)

8
5
8
7
0
0
0
0
0
0
0
6
12
10
9
6
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)

8
7
6
6
5
5
6
6
6
6
6
6
7
8
9
11
12

Chance of Frost

Temperature (°C)

14
13
12
12
12
12
11
11
11
11
11
11
12
13
15
16
17

Feels Like (°C)

10
11
11
11
11
11
10
10
11
11
11
11
10
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

61
69
76
79
81
86
88
91
95
93
95
95
87
78
71
64
58

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

305
305
305
305
305
305
303
302
300
299
298
296
295
295
294
293
292

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

Generated: 11/09/26 20:11:25. Forecast: 11/09/26 to 17/09/26. Timezone: UTC+1.00