Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

03:31

18:11

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

Sun - Rise: 06:38, Set: 19:03, Transit: 12:49. Moon - Rise: 03:31, Set: 18:11. Civil Dark: 19:37 - 06:04. Nautical Dark: 20:18 - 05:23. Astro Dark: 21:01 - 04:40

Total Clouds (% Sky Obscured)

92
92
92
92
92
74
39
6
14
22
67
40
54
63
87
79
84
88
79
73
49
48
63
34

Low Clouds (% Sky Obscured)

91
77
81
81
48
51
62
56
37
26
39
40
54
57
73
45
50
65
65
67
46
45
63
34

Medium Clouds (% Sky Obscured)

6
1
0
0
0
0
1
0
51
44
30
40
54
53
55
60
43
41
14
11
6
5
2
3

High Clouds (% Sky Obscured)

18
79
23
4
64
85
95
55
36
30
38
33
10
32
19
9
32
30
50
47
45
40
29
3

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
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

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)

17
18
19
18
19
16
15
11
12
10
12
10
10
10
11
11
10
10
9
9
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
72
75
73
75
74
74
77
80
80
84
82
85
86
87
90
93
93
95
93
89
78
70
65

Pressure (mb)

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

Ozone (du)

261
260
263
264
266
266
266
263
262
261
258
255
252
251
250
249
250
250
251
252
256
256
255
255

Friday 19

Waning Crescent 2%

04:50

18:24

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

Sun - Rise: 06:39, Set: 19:00, Transit: 12:49. Moon - Rise: 04:50, Set: 18:24. Civil Dark: 19:34 - 06:05. Nautical Dark: 20:15 - 05:25. Astro Dark: 20:58 - 04:42

Total Clouds (% Sky Obscured)

41
18
9
34
37
89
42
34
100
40
26
26
48
52
60
51
100
33
52
70
89
98
92
100

Low Clouds (% Sky Obscured)

41
18
9
34
37
45
37
31
58
39
26
26
31
34
55
46
18
16
25
36
47
57
63
68

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
14
2
0
0
0
26
52
55
51
17
33
51
70
74
77
66
69

High Clouds (% Sky Obscured)

2
2
9
10
10
38
42
34
45
3
12
26
2
25
60
51
100
33
52
59
66
92
74
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)

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

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
23
21
20
19
18
17
17
16
16
16
15
15
15
15
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
50
45
40
37
37
42
49
52
53
55
59
63
65
64
61
61
64
61
62
61
59
55
52

Pressure (mb)

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

Ozone (du)

256
257
260
259
258
259
260
261
263
264
264
264
263
262
262
260
260
260
260
261
261
262
261
261

Saturday 20

Waning Crescent 2%

06:07

18:34

12 Bad
13 Bad
14 Bad
15 Bad
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

Sun - Rise: 06:41, Set: 18:58, Transit: 12:49. Moon - Rise: 06:07, Set: 18:34. Civil Dark: 19:32 - 06:07. Nautical Dark: 20:13 - 05:27. Astro Dark: 20:55 - 04:44

Total Clouds (% Sky Obscured)

84
100
93
61
99
100
100
100
65
71
78
81
63
58
71
72
77
65
65
59
57
66
77
88

Low Clouds (% Sky Obscured)

58
72
31
61
61
68
54
87
65
71
78
81
47
48
71
72
77
65
65
59
57
66
77
64

Medium Clouds (% Sky Obscured)

72
95
57
50
82
87
40
58
5
0
0
0
37
26
11
26
22
26
19
25
29
19
15
12

High Clouds (% Sky Obscured)

30
94
90
61
79
100
100
100
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
2
41
25
18
14
14
37
16
9
18
1
1
2
2
5
4
5
6
5
5
7
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
16
17
15
15
14
13
13
10
9
9
8
8
8
8
9
8
9
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

56
59
52
43
42
47
54
63
57
64
74
75
75
79
79
77
77
80
83
85
81
70
62
58

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1007
1008
1008
1009
1010
1011
1011
1012
1013
1014
1015
1016
1016
1017

Ozone (du)

260
260
261
261
262
263
264
267
271
278
279
278
280
282
283
285
287
289
290
290
290
292
293
294

Sunday 21

New Moon 0%

07:21

18:43

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

Sun - Rise: 06:43, Set: 18:56, Transit: 12:48. Moon - Rise: 07:21, Set: 18:43. Civil Dark: 19:30 - 06:09. Nautical Dark: 20:10 - 05:29. Astro Dark: 20:52 - 04:46

Total Clouds (% Sky Obscured)

94
96
96
92
92
77
71
60
50
43
48
51
48
44
42
46
51
53
55
54
57
62
69
48

Low Clouds (% Sky Obscured)

60
51
33
44
56
36
43
40
40
37
41
45
46
43
41
42
39
37
39
42
42
48
48
48

Medium Clouds (% Sky Obscured)

8
13
15
18
45
21
71
51
22
12
26
32
7
3
3
2
0
0
0
0
0
0
2
5

High Clouds (% Sky Obscured)

40
13
0
30
0
0
0
0
0
0
0
1
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 (%)

4
5
7
7
10
10
5
8
12
10
25
25
8
6
4
3
4
5
6
9
14
3
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
3
3
4
4
4
3
4
6
6
6
6
6
5
4
2
2
2
3
4
4
4

Relative Humidity (%)

57
59
58
51
48
53
58
58
59
67
76
77
77
78
76
69
62
56
55
54
56
60
55
53

Pressure (mb)

1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1025
1026
1026
1027

Ozone (du)

295
297
298
299
300
300
301
304
306
309
311
312
312
313
312
312
312
313
315
315
314
312
311
310

Monday 22

Waxing Crescent 1%

08:35

18:51

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

Sun - Rise: 06:45, Set: 18:53, Transit: 12:48. Moon - Rise: 08:35, Set: 18:51. Civil Dark: 19:27 - 06:11. Nautical Dark: 20:08 - 05:30. Astro Dark: 20:50 - 04:48

Total Clouds (% Sky Obscured)

53
80
80
65
76
57
31
18
20
22
29
35
50
47
43
50
74
86
100
100
100
99
89
82

Low Clouds (% Sky Obscured)

53
55
54
52
40
26
10
17
20
22
29
35
44
35
27
18
28
38
48
49
49
50
50
53

Medium Clouds (% Sky Obscured)

7
4
2
0
1
2
3
2
2
0
0
0
3
7
7
29
56
67
80
85
89
90
71
65

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
12
23
36
30
24
20
37
56
75
75
75
65
44
21

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 (%)

11
11
5
2
7
11
3
12
11
8
13
10
3
8
6
2
8
6
4
8
6
3
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
4
4
4
4
4
5
5
5
6
6
5
5
4
4
4
4
5
5
5
5
5

Relative Humidity (%)

49
49
51
52
49
52
57
62
68
71
74
78
78
78
77
74
72
72
74
75
71
63
60
54

Pressure (mb)

1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

309
308
307
306
306
304
302
301
300
299
299
298
298
299
299
299
298
298
298
300
301
301
302
302

Tuesday 23

Waxing Crescent 3%

09:49

19:01

12 Bad
13 Bad
14 Bad
15 Bad
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

Sun - Rise: 06:46, Set: 18:51, Transit: 12:48. Moon - Rise: 09:49, Set: 19:01. Civil Dark: 19:25 - 06:12. Nautical Dark: 20:05 - 05:32. Astro Dark: 20:47 - 04:50

Total Clouds (% Sky Obscured)

69
78
87
96
98
99
100
98
93
83
87
92
94
97
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
53
52
50
48
45
43
48
54
59
72
85
94
76
56
36
46
55
67
61
57
55
63
71

Medium Clouds (% Sky Obscured)

17
26
33
54
54
58
63
63
64
60
35
20
20
20
20
35
45
50
50
50
50
55
55
45

High Clouds (% Sky Obscured)

1
3
5
7
37
63
85
85
85
80
75
70
70
70
75
75
81
87
92
91
91
90
95
95

ISS Passover

Visibility (miles)

9
9
8
7
6
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

6
22
27
29
29
31
33
30
24
7
18
22
19
31
42
53
54
54
52
49
43
35
36
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
50
56
63
71
73
72
72
75
77
79
75
70
64
63
63
62
66
70
72
67
62
57
56

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

302
301
301
301
301
302
303
303
304
304
305
305
305
305
305
305
305
305
305
306
305
305
304
304

Wednesday 24

Waxing Crescent 7%

11:04

19:12

12 Bad
13 Bad
14 Bad
15 Bad
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

Sun - Rise: 06:48, Set: 18:48, Transit: 12:47. Moon - Rise: 11:04, Set: 19:12. Civil Dark: 19:22 - 06:14. Nautical Dark: 20:03 - 05:34. Astro Dark: 20:44 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
99
94
83
73
63
71
86
90
90
96
98
100
96
93
90
83
72
62
68
75

Low Clouds (% Sky Obscured)

78
85
93
100
91
82
73
68
61
51
42
37
33
42
48
52
58
64
70
64
58
52
52
53

Medium Clouds (% Sky Obscured)

50
50
55
55
45
45
45
40
40
45
50
59
64
54
50
40
31
23
13
12
11
10
8
8

High Clouds (% Sky Obscured)

95
95
95
95
90
70
56
51
51
46
35
18
4
19
35
51
48
47
41
29
21
9
21
32

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

Precipitation Probability (%)

43
40
36
22
34
39
43
52
62
56
51
45
34
34
28
8
15
11
13
21
21
5
25
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
6
6
6
6
6
6
7
7
7
7
7
7
6
6
5
5
5
5
6
6
6

Relative Humidity (%)

55
56
57
59
60
61
63
66
68
73
76
77
78
81
78
76
74
73
73
73
68
64
61
55

Pressure (mb)

1025
1025
1025
1025
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

304
304
304
304
304
304
303
303
303
303
303
302
301
301
300
300
299
299
299
298
297
297
296
295

Forecast for Great Ellingham, Norfolk, United Kingdom (52.53,0.98)

Generated: 18/09/25 23:25:10. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00