Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waxing Gibbous 68%

17:21

00:16

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

Sun - Rise: 06:52, Set: 19:09, Transit: 12:59. Moon - Rise: 17:21, Set: 00:16. Civil Dark: 19:42 - 06:19. Nautical Dark: 20:22 - 05:39. Astro Dark: 21:03 - 04:58

Total Clouds (% Sky Obscured)

7
9
2
17
70
93
79
72
76
60
60
53
46
39
29
35
22
44
57
58
50
51
50
52

Low Clouds (% Sky Obscured)

0
0
0
0
1
19
0
0
1
4
0
0
7
0
13
10
0
36
39
32
23
27
29
23

Medium Clouds (% Sky Obscured)

0
6
2
13
33
50
11
6
9
60
5
11
8
5
12
18
11
7
14
13
13
8
6
8

High Clouds (% Sky Obscured)

7
9
2
17
40
82
66
68
76
60
57
36
35
30
1
3
2
1
1
1
1
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
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)

5
2
1
0
1
1
1
1
1
1
1
2
2
2
1
3
5
6
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

17
14
13
13
12
11
11
10
10
10
10
9
9
10
13
15
17
18
19
20
20
21
20
20

Feels Like (°C)

15
13
11
11
12
11
10
10
8
8
8
7
7
9
11
15
17
19
19
20
21
22
22
22

Dew Point (°C)

8
7
7
7
7
6
5
5
5
4
3
4
5
6
6
7
8
9
10
11
11
12
12
13

Relative Humidity (%)

56
59
64
70
71
71
67
68
68
68
64
70
75
74
65
58
56
54
54
56
56
56
58
66

Pressure (mb)

1030
1031
1032
1032
1032
1032
1032
1033
1032
1032
1032
1032
1032
1033
1033
1033
1033
1032
1032
1032
1031
1031
1030
1030

Ozone (du)

282
283
283
281
280
278
276
276
275
273
274
274
274
273
272
272
273
275
275
275
275
274
272
270

Monday 21

Waxing Gibbous 77%

17:41

01:30

19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 06:53, Set: 19:07, Transit: 12:59. Moon - Rise: 17:41, Set: 01:30. Civil Dark: 19:40 - 06:20. Nautical Dark: 20:19 - 05:41. Astro Dark: 21:00 - 05:00

Total Clouds (% Sky Obscured)

52
53
45
46
43
47
41
38
42
47
55
61
70
72
71
78
85
87
90
77
71
80
82
98

Low Clouds (% Sky Obscured)

31
35
33
31
26
23
24
24
26
36
46
56
61
62
57
58
56
59
82
77
71
71
63
75

Medium Clouds (% Sky Obscured)

6
6
2
2
2
3
7
3
4
4
3
4
3
7
9
11
6
5
11
12
14
13
3
1

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
38
72

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
1
45
63
60
20
7
2
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
1
0
10
12
11
10
4
15
15

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
2
2
2
2
2
2
2
2
1
2
1
1
1
2
3
3
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

19
18
17
16
16
16
15
15
15
14
14
14
14
15
16
18
19
20
21
21
21
22
22
21

Feels Like (°C)

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

Dew Point (°C)

14
13
13
13
13
13
14
13
13
13
13
13
13
13
13
13
13
13
13
13
13
14
14
15

Relative Humidity (%)

72
76
76
78
82
86
89
89
90
92
92
92
93
89
81
74
68
64
61
60
60
60
61
67

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1027
1027

Ozone (du)

270
270
271
270
270
269
269
269
268
267
267
267
269
270
272
273
273
275
276
276
275
276
278
278

Tuesday 22

Waxing Gibbous 85%

17:56

02:46

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 OK
14 Bad
15 OK
16 Bad
17 Bad
18 Good

Sun - Rise: 06:55, Set: 19:04, Transit: 12:59. Moon - Rise: 17:56, Set: 02:46. Civil Dark: 19:38 - 06:22. Nautical Dark: 20:17 - 05:43. Astro Dark: 20:58 - 05:02

Total Clouds (% Sky Obscured)

74
73
88
89
93
97
88
88
98
100
100
100
100
100
99
98
89
64
43
44
44
59
55
18

Low Clouds (% Sky Obscured)

74
73
88
84
84
91
88
88
89
85
74
73
75
75
88
74
57
37
31
30
33
59
55
8

Medium Clouds (% Sky Obscured)

0
0
2
8
11
14
9
14
17
14
11
9
12
12
10
25
67
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
34
20
20
50
83
25
18
90
100
100
100
100
100
91
81
64
28
3
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

9
12
11
11
12
17
16
9
10
12
9
8
5
14
12
36
39
14
5
11
3
8
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
1
2
2
3
3
3
3
3
3
3
2
2
2
6
7
8
7
7
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
74
76
78
79
82
85
85
87
86
86
87
86
85
77
75
74
68
61
55
50
67
66

Pressure (mb)

1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1024
1024

Ozone (du)

277
278
279
279
279
279
280
282
282
283
284
287
288
288
288
287
288
291
297
304
304
307
307
307

Wednesday 23

Waxing Gibbous 92%

18:10

04:02

19 OK
20 OK
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 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:57, Set: 19:02, Transit: 12:58. Moon - Rise: 18:10, Set: 04:02. Civil Dark: 19:35 - 06:24. Nautical Dark: 20:15 - 05:44. Astro Dark: 20:55 - 05:04

Total Clouds (% Sky Obscured)

19
21
25
44
49
54
50
65
58
72
86
100
100
100
97
78
79
94
94
94
94
96
82
100

Low Clouds (% Sky Obscured)

10
13
14
14
11
8
11
14
14
11
5
0
4
9
15
18
17
19
12
6
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
70
60
28
24
24
25
28
29
23
17
12
8

High Clouds (% Sky Obscured)

1
1
2
19
32
45
31
30
27
55
77
100
100
99
93
58
57
85
84
83
82
88
68
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)

4
4
4
4
3
2
3
3
3
3
4
4
4
6
8
10
10
11
11
11
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
74
73
78
80
81
83
86
90
93
96
96
90
76
66
57
51
46
43
41
40
42
52

Pressure (mb)

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

Ozone (du)

307
305
305
303
300
298
297
295
293
293
291
289
289
288
288
287
285
284
282
282
281
280
280
280

Thursday 24

Waxing Gibbous 97%

18:22

05:19

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 OK
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 OK
17 OK
18 Bad

Sun - Rise: 06:58, Set: 18:58, Transit: 12:58. Moon - Rise: 18:22, Set: 05:19. Civil Dark: 19:33 - 06:25. Nautical Dark: 20:12 - 05:46. Astro Dark: 20:53 - 05:06

Total Clouds (% Sky Obscured)

100
85
79
99
99
100
100
100
95
75
81
79
24
24
24
42
61
65
55
45
45
31
27
27

Low Clouds (% Sky Obscured)

0
0
0
9
16
20
15
12
10
12
13
16
5
5
4
5
4
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

7
6
7
7
8
5
47
9
10
10
14
15
4
3
2
2
3
4
6
8
10
10
10
9

High Clouds (% Sky Obscured)

99
78
67
97
98
100
99
97
85
63
73
67
4
5
6
27
49
65
55
45
45
31
27
27

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
1
1
16
25
31
0
0
0
0
0
0
3
4
9
24
28
31

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
68
74
74
75
78
84
89
92
92
92
93
93
83
74
67
59
52
46
44
44
42
47
54

Pressure (mb)

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

Ozone (du)

278
277
276
276
276
275
275
275
274
274
274
274
273
274
274
274
274
274
274
275
276
277
278
278

Friday 25

Waxing Gibbous 99%

18:34

06:38

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:00, Set: 18:55, Transit: 12:58. Moon - Rise: 18:34, Set: 06:38. Civil Dark: 19:31 - 06:27. Nautical Dark: 20:10 - 05:48. Astro Dark: 20:50 - 05:08

Total Clouds (% Sky Obscured)

48
73
100
95
89
84
86
88
98
99
99
100
100
100
100
100
100
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

3
0
0
0
1
1
2
3
4
4
4
6
6
6
5
4
3
3
11
19
30
25
23
15

Medium Clouds (% Sky Obscured)

3
2
0
15
30
45
61
77
93
96
98
100
100
99
99
99
100
99
99
99
99
98
98
97

High Clouds (% Sky Obscured)

48
71
100
85
70
52
47
48
57
72
84
96
97
98
98
97
95
92
95
97
99
94
87
77

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 (%)

23
16
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
13
14
14
13
12
12
10
10
11
10
11
10
9
9
9
10
10
10
16
16
17
18
17

Dew Point (°C)

8
8
8
8
8
7
7
6
5
5
4
3
2
3
4
5
6
7
8
8
8
9
10
11

Relative Humidity (%)

60
64
68
72
71
70
70
66
64
61
59
57
56
57
57
58
57
55
55
55
55
54
63
72

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1014
1014
1014

Ozone (du)

279
279
279
279
280
280
280
280
280
280
279
279
279
280
281
281
282
284
285
287
289
291
292
292

Saturday 26

Full Moon 100%

18:47

07:58

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

Sun - Rise: 07:01, Set: 18:53, Transit: 12:57. Moon - Rise: 18:47, Set: 07:58. Civil Dark: 19:28 - 06:28. Nautical Dark: 20:07 - 05:49. Astro Dark: 20:48 - 05:09

Total Clouds (% Sky Obscured)

98
99
100
98
97
95
92
88
85
85
75
66
63
67
75
78
81
84

Low Clouds (% Sky Obscured)

22
29
35
27
16
0
0
0
0
3
4
6
20
33
47
50
52
55

Medium Clouds (% Sky Obscured)

78
59
37
28
20
15
18
16
12
15
13
10
6
7
8
7
6
0

High Clouds (% Sky Obscured)

82
91
100
98
97
95
92
88
85
80
70
60
43
29
19
38
55
72

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

11
10
0
0
0
0
0
1
1
10
8
5
20
33
50
58
62
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
12
13
13
13
13
13
11
11
11
12
12
12
12
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

82
76
73
67
75
84
95
95
96
95
96
95
93
92
89
85
72
61

Pressure (mb)

1014
1014
1014
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015

Ozone (du)

292
293
294
294
296
297
299
299
300
300
301
302
303
304
305
306
308
310

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 20/09/26 19:53:45. Forecast: 20/09/26 to 26/09/26. Timezone: UTC+1.00