Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

First Quarter 59%

16:24

22:11

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
20 Bad

Sun - Rise: 06:51, Set: 19:14, Transit: 13:03. Moon - Rise: 16:24, Set: 22:11. Civil Dark: 19:48 - 06:18. Nautical Dark: 20:27 - 05:38. Astro Dark: 21:12 - 04:57

Total Clouds (% Sky Obscured)

97
100
97
99
100
99
99
100
100
100
100
100
100
96
97
100
94
85
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
82
80
58
76
66
70
56
62
91
100
100
100
94
91
87
85
84
17
47
38
34
31
46

Medium Clouds (% Sky Obscured)

0
1
7
0
10
99
98
97
14
28
28
17
30
16
17
67
65
50
45
96
96
100
94
69

High Clouds (% Sky Obscured)

77
61
75
27
100
73
83
100
100
100
100
94
51
54
57
100
18
26
88
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
1
5
5
4
2
1
4
1
8
12
14
15
19
26
24
8
1
2
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
83
87
87
86
85
87
89
89
86
86
86
86
86
89
91
86
70
67
67
73
79
81

Pressure (mb)

1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

288
288
288
290
290
290
289
291
291
291
291
291
289
290
290
290
291
291
290
288
287
286
285
284

Saturday 19

Waxing Gibbous 68%

16:59

23:10

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
20 OK

Sun - Rise: 06:53, Set: 19:12, Transit: 13:03. Moon - Rise: 16:59, Set: 23:10. Civil Dark: 19:45 - 06:20. Nautical Dark: 20:25 - 05:40. Astro Dark: 21:09 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
79
100
100
100
100
100
100
100
100
100
98
69
95
100
98
100
96
67
52
63
45

Low Clouds (% Sky Obscured)

35
28
30
35
35
41
42
17
21
0
0
2
14
17
25
29
27
39
33
26
22
11
16
12

Medium Clouds (% Sky Obscured)

85
97
97
79
99
97
5
5
5
4
5
81
5
10
9
11
11
61
88
66
67
52
9
14

High Clouds (% Sky Obscured)

100
100
74
38
100
100
100
100
100
100
100
100
99
91
57
81
100
98
82
87
28
15
37
9

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
0
2
3
20
9
6
1
0
0
0
0
0
0
0
0
0
0
1
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
11
11
11
10
10
8
7
6
6
5
4
6
6
6
6
6
7
7
7
7
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
79
81
85
80
76
83
86
86
78
69
65
59
52
46
43
39
38
39
44
54
58

Pressure (mb)

1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1024
1025
1026
1027
1028
1028
1028
1029
1029
1029
1029
1029
1030
1031

Ozone (du)

285
286
288
289
290
290
292
293
290
290
290
287
285
285
284
284
283
281
280
280
279
279
278
279

Sunday 20

Waxing Gibbous 65%

17:25

00:18

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

Sun - Rise: 06:55, Set: 19:10, Transit: 13:02. Moon - Rise: 17:25, Set: 00:18. Civil Dark: 19:43 - 06:21. Nautical Dark: 20:23 - 05:42. Astro Dark: 21:06 - 05:01

Total Clouds (% Sky Obscured)

31
59
46
55
47
71
97
84
61
67
53
50
44
47
38
24
26
2
11
18
21
18
13
11

Low Clouds (% Sky Obscured)

0
0
0
2
3
15
17
28
25
25
17
18
9
14
28
20
8
0
10
18
21
16
12
8

Medium Clouds (% Sky Obscured)

9
19
12
10
11
9
46
8
7
5
5
11
12
8
5
5
7
2
5
4
4
1
0
0

High Clouds (% Sky Obscured)

15
17
5
9
1
35
75
68
23
21
20
4
2
6
1
1
1
1
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
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
1
1
2
2
1
1
2
1
2
3
4
6
7
7
7
7
7
7
6
5
4

Chance of Frost

Temperature (°C)

15
14
13
13
12
12
12
12
12
12
12
13
15
17
18
20
21
22
22
22
22
21
19
18

Feels Like (°C)

16
15
13
13
12
13
12
11
12
12
12
13
15
16
17
19
21
22
23
23
23
23
21
20

Dew Point (°C)

7
7
6
6
6
6
6
7
7
7
8
7
6
5
5
5
7
8
10
10
10
12
12
13

Relative Humidity (%)

60
61
63
64
64
65
67
70
70
71
72
66
54
45
40
38
40
42
44
46
48
54
64
70

Pressure (mb)

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

Ozone (du)

278
277
276
276
275
275
272
271
270
270
271
271
271
272
272
272
272
272
271
271
271
271
273
273

Monday 21

Waxing Gibbous 77%

17:45

01:32

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

Sun - Rise: 06:56, Set: 19:07, Transit: 13:02. Moon - Rise: 17:45, Set: 01:32. Civil Dark: 19:41 - 06:23. Nautical Dark: 20:20 - 05:44. Astro Dark: 21:04 - 05:02

Total Clouds (% Sky Obscured)

7
5
3
0
0
0
0
13
26
36
36
39
35
42
46
48
48
49
51
79
89
100
100
100

Low Clouds (% Sky Obscured)

5
4
2
0
0
0
0
11
18
24
21
21
21
23
24
28
29
27
27
29
28
30
34
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
5
6
7
5
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
12
21
27
21
18
22
62
81
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
2
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)

3
3
2
2
2
2
1
1
1
1
1
1
1
1
2
3
4
5
5
5
5
4
2
2

Chance of Frost

Temperature (°C)

17
16
16
16
15
15
15
14
14
14
13
14
16
18
19
21
22
22
23
23
22
21
20
19

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
13
13
13

Relative Humidity (%)

72
72
74
75
76
79
80
80
83
84
86
82
73
65
58
54
50
48
47
47
52
60
66
67

Pressure (mb)

1031
1031
1031
1030
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1026

Ozone (du)

272
272
273
274
275
275
275
275
275
274
273
273
272
272
273
274
274
274
275
276
277
278
278
279

Tuesday 22

Waxing Gibbous 85%

18:00

02:48

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
20 Bad

Sun - Rise: 06:58, Set: 19:05, Transit: 13:01. Moon - Rise: 18:00, Set: 02:48. Civil Dark: 19:38 - 06:25. Nautical Dark: 20:18 - 05:45. Astro Dark: 20:59 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
71
100
100
100
74
99
75
72
68
65
47
52
63
54
54

Low Clouds (% Sky Obscured)

37
37
39
45
38
32
23
22
17
13
16
20
23
18
15
12
24
31
26
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
2
3
2
0
0
2
3
0
5
15
0
0
0
5
3
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
69
100
100
100
74
99
75
50
23
0
10
23
35
32
33

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

Precipitation Probability (%)

0
4
3
0
4
1
0
0
0
0
8
13
9
30
46
49
77
44
19
15
9
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
72
74
75
77
77
78
79
79
83
78
69
62
51
44
41
41
39
39
45
50
58
65

Pressure (mb)

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

Ozone (du)

280
280
281
283
285
284
283
282
282
283
282
283
286
291
294
294
294
294
294
294
295
296
296
295

Wednesday 23

Waxing Gibbous 92%

18:13

04:05

21 Bad
22 OK
23 OK
00 OK
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
20 Bad

Sun - Rise: 07:00, Set: 19:03, Transit: 13:01. Moon - Rise: 18:13, Set: 04:05. Civil Dark: 19:36 - 06:26. Nautical Dark: 20:15 - 05:47. Astro Dark: 20:56 - 05:06

Total Clouds (% Sky Obscured)

52
47
42
40
52
64
75
67
57
49
62
78
95
97
98
100
99
98
97
93
88
79
78
77

Low Clouds (% Sky Obscured)

2
15
15
14
18
22
26
25
19
15
11
6
1
1
0
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
2
5
8
9
15
19
28
28
32
32
30
31
28
29
29

High Clouds (% Sky Obscured)

36
33
27
22
30
39
43
51
57
49
62
78
95
97
98
100
98
95
92
81
72
64
58
50

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
3
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
14
12
12
12
11
11
12
10
10
10
9
9
9
17
17
16
17
19
20
16

Dew Point (°C)

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

Relative Humidity (%)

73
80
84
87
90
90
92
91
91
93
93
86
77
70
62
56
49
47
45
42
46
52
58
61

Pressure (mb)

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

Ozone (du)

293
292
292
292
293
291
289
287
285
283
281
281
281
281
280
279
278
278
277
277
277
276
276
277

Thursday 24

Waxing Gibbous 97%

18:25

05:22

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

Sun - Rise: 07:01, Set: 19:00, Transit: 13:01. Moon - Rise: 18:25, Set: 05:22. Civil Dark: 19:34 - 06:28. Nautical Dark: 20:13 - 05:49. Astro Dark: 20:53 - 05:08

Total Clouds (% Sky Obscured)

74
79
85
92
89
87
88
89
94
93
70
43
12
33
54
74
63
55
46
41
49
73

Low Clouds (% Sky Obscured)

0
0
0
5
4
4
8
12
15
17
17
11
5
15
28
41
51
51
35
23
7
1

Medium Clouds (% Sky Obscured)

20
20
20
20
20
20
20
20
20
20
17
7
0
2
3
5
2
1
0
0
0
0

High Clouds (% Sky Obscured)

41
46
49
53
58
65
88
89
94
93
67
33
4
7
8
13
11
10
9
15
31
47

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

Fog (%)

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

Precipitation Probability (%)

15
28
40
55
77
94
95
95
95
93
79
59
32
24
13
4
8
12
7
6
4
0

Precipitation Amount (mm)

0
0
0
0.2
0.4
0.7
0.7
0.9
0.8
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
16
16
16
12
13
13
13
12
13
12
11
11
11
11
11
19
18
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

64
67
73
80
86
86
86
83
86
87
90
83
76
72
60
50
42
41
39
37
43
49

Pressure (mb)

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

Ozone (du)

277
278
277
277
276
277
277
277
277
277
277
278
279
279
279
279
278
279
279
280
281
281

Forecast for Rangeworthy, South Gloucestershire, United Kingdom (51.58,-2.45)

Generated: 18/09/26 21:43:43. Forecast: 18/09/26 to 24/09/26. Timezone: UTC+1.00