Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

02:06

18:09

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 OK
19 Bad

Sun - Rise: 06:34, Set: 19:01, Transit: 12:48. Moon - Rise: 02:06, Set: 18:09. Civil Dark: 19:35 - 06:00. Nautical Dark: 20:18 - 05:19. Astro Dark: 21:02 - 04:37

Total Clouds (% Sky Obscured)

89
92
93
95
94
93
99
71
93
96
89
95
93
83
77
94
100
100
100
100
89
92
43
68

Low Clouds (% Sky Obscured)

88
92
81
86
61
62
81
56
89
92
81
89
63
83
70
83
56
95
72
50
53
43
39
4

Medium Clouds (% Sky Obscured)

49
50
55
59
40
42
44
22
42
27
28
37
22
2
7
0
0
16
13
12
28
17
2
29

High Clouds (% Sky Obscured)

66
57
86
62
60
38
68
46
45
52
22
31
71
6
31
53
81
90
91
38
22
43
4
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
5
12
16
4
1
1
3
2
2
3
1
1
1
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)

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

Chance of Frost

Temperature (°C)

19
18
18
18
17
18
17
17
17
17
17
17
18
19
20
21
22
23
23
23
24
23
22
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
90
88
88
88
90
92
93
92
90
86
80
75
69
65
62
58
57
59
60
64

Pressure (mb)

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

Ozone (du)

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

Thursday 18

Waning Crescent 6%

03:29

18:22

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

Sun - Rise: 06:36, Set: 18:59, Transit: 12:47. Moon - Rise: 03:29, Set: 18:22. Civil Dark: 19:33 - 06:02. Nautical Dark: 20:16 - 05:21. Astro Dark: 20:59 - 04:39

Total Clouds (% Sky Obscured)

45
58
100
97
85
77
71
59
43
48
51
46
52
54
22
1
3
1
1
2
19
5
5
2

Low Clouds (% Sky Obscured)

25
0
23
26
37
40
44
42
43
46
49
45
41
46
10
0
0
0
0
0
15
0
0
0

Medium Clouds (% Sky Obscured)

45
58
36
28
0
14
0
1
4
13
12
3
52
50
22
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
58
100
90
66
77
71
29
5
9
9
9
2
5
4
1
3
1
1
2
19
5
5
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
17
16
16
15
15
15
14
15
15
15
14
16
16
18
19
22
23
24
24
23
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

67
69
75
81
85
87
86
85
87
87
89
90
83
73
64
58
53
49
47
45
44
49
56
59

Pressure (mb)

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

Ozone (du)

256
257
257
258
257
255
254
253
252
253
253
254
254
255
255
256
257
258
257
257
257
257
258
257

Friday 19

Waning Crescent 2%

04:48

18:32

20 Good
21 Good
22 Bad
23 Bad
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

Sun - Rise: 06:38, Set: 18:56, Transit: 12:47. Moon - Rise: 04:48, Set: 18:32. Civil Dark: 19:30 - 06:04. Nautical Dark: 20:13 - 05:23. Astro Dark: 20:56 - 04:41

Total Clouds (% Sky Obscured)

3
1
64
55
40
52
76
83
68
59
67
91
71
83
81
100
100
100
100
100
97
92
90
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
24
33
32
7
23
22
30
38
56
43
43
41
34

Medium Clouds (% Sky Obscured)

0
0
44
26
15
14
20
20
15
14
11
17
10
13
26
81
70
88
91
100
65
45
50
52

High Clouds (% Sky Obscured)

3
1
42
55
40
52
55
69
55
26
50
50
56
55
57
100
100
100
100
100
96
74
83
74

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
8
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
2
5
0
3
0
1
0
0
0
1
2
6
1
10
17
4
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)

8
8
8
7
7
8
7
6
7
7
7
6
5
5
6
9
9
10
11
16
16
14
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
53
54
55
56
55
59
59
60
62
65
68
66
59
54
47
41
39
36
38
51
54
57
56

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1009
1008
1008
1008
1007
1008
1008
1008

Ozone (du)

257
255
256
256
256
256
256
256
258
259
261
261
262
261
261
260
258
257
257
257
260
259
259
260

Saturday 20

Waning Crescent 0%

06:05

18:41

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

Sun - Rise: 06:39, Set: 18:54, Transit: 12:47. Moon - Rise: 06:05, Set: 18:41. Civil Dark: 19:28 - 06:05. Nautical Dark: 20:11 - 05:25. Astro Dark: 20:53 - 04:43

Total Clouds (% Sky Obscured)

59
46
53
66
69
73
76
81
79
75
74
53
72
36
42
73
99
97
83
93
82
72
70
56

Low Clouds (% Sky Obscured)

33
35
38
41
44
40
37
34
30
26
21
33
44
36
42
73
93
89
83
80
66
52
38
33

Medium Clouds (% Sky Obscured)

59
46
53
24
6
29
76
66
37
10
8
8
7
10
11
14
15
17
22
24
23
22
21
21

High Clouds (% Sky Obscured)

55
39
35
30
30
25
30
30
25
30
30
13
22
1
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
5
4
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
0
1
1
1
2
1
3
4
3
11
13
8
21
24
24
34
42
38
33
25
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
61
69
72
70
76
80
70
71
71
75
78
77
69
60
54
54
56
64
54
57
56
61
68

Pressure (mb)

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

Ozone (du)

262
262
262
264
265
265
266
267
269
269
271
273
273
275
276
277
278
278
280
281
282
284
287
290

Sunday 21

New Moon 1%

07:19

18:50

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

Sun - Rise: 06:41, Set: 18:51, Transit: 12:46. Moon - Rise: 07:19, Set: 18:50. Civil Dark: 19:25 - 06:07. Nautical Dark: 20:08 - 05:27. Astro Dark: 20:51 - 04:45

Total Clouds (% Sky Obscured)

48
43
58
53
50
57
66
52
70
38
32
23
20
16
26
41
47
59
68
76
79
80
83
83

Low Clouds (% Sky Obscured)

28
24
27
31
33
44
53
52
56
38
32
23
20
16
26
41
47
58
60
60
59
62
65
64

Medium Clouds (% Sky Obscured)

20
23
17
8
0
2
3
3
1
1
0
23
20
16
26
26
21
18
16
11
26
41
57
56

High Clouds (% Sky Obscured)

0
0
30
30
29
30
30
0
30
0
0
1
0
0
0
0
0
0
0
0
11
22
30
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
4
4
4
5
6
8

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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

9
6
13
13
6
18
19
8
19
18
9
47
48
30
39
42
49
56
63
66
61
58
57
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

8
8
7
6
6
5
5
4
4
4
5
6
9
10
10
13
15
18
17
17
17
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
9
10
9
9
10
12
10
11
10
12
11
12
12
13
14
15
14
13
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

74
77
77
79
78
78
80
81
83
83
83
84
76
68
61
62
64
65
68
70
74
76
78
80

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021

Ozone (du)

293
294
294
294
296
296
296
295
295
297
297
297
298
298
299
299
300
301
302
304
306
306
307
308

Monday 22

Waxing Crescent 3%

08:33

18:59

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: 06:43, Set: 18:49, Transit: 12:46. Moon - Rise: 08:33, Set: 18:59. Civil Dark: 19:23 - 06:09. Nautical Dark: 20:06 - 05:29. Astro Dark: 20:48 - 04:47

Total Clouds (% Sky Obscured)

83
84
82
77
72
75
76
73
65
69
63
72
86
96
97
99
100
97
94
89
94
97
100
100

Low Clouds (% Sky Obscured)

65
65
61
57
53
60
64
71
65
64
60
69
77
77
71
65
60
55
48
44
55
67
79
86

Medium Clouds (% Sky Obscured)

70
75
80
70
72
75
65
50
50
55
55
54
59
66
64
61
56
61
67
75
81
86
86
88

High Clouds (% Sky Obscured)

49
40
35
35
30
25
25
25
25
24
19
35
48
68
78
88
96
70
45
25
50
77
100
80

ISS Passover

Visibility (miles)

6
5
4
6
8
9
8
6
5
4
4
4
3
3
2
4
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

51
46
55
60
64
89
95
95
95
95
95
94
84
80
76
72
69
59
47
29
41
48
44
69

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.6
0.7
0.7
0.8
0.8
0.7
0.7
0.5
0.5
0.5
0.4
0.4
0.2
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

13
14
14
14
15
15
15
15
15
16
18
19
19
19
19
19
19
19
18
18
18
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
10
9
9
8
8
9
9
9
9
9
9
8
9
9
10
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
84
86
87
87
86
84
84
84
84
86
89
90
83
76
72
69
67
65
67
69
71

Pressure (mb)

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

Ozone (du)

308
308
308
308
308
309
308
307
306
307
307
308
307
306
305
306
306
307
307
307
307
307
307
307

Tuesday 23

Waxing Crescent 7%

09:47

19:10

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: 06:44, Set: 18:47, Transit: 12:46. Moon - Rise: 09:47, Set: 19:10. Civil Dark: 19:21 - 06:11. Nautical Dark: 20:03 - 05:30. Astro Dark: 20:45 - 04:49

Total Clouds (% Sky Obscured)

100
100
95
90
86
90
93
96
96
94
93
93
94
95
93
90
87

Low Clouds (% Sky Obscured)

93
100
91
83
75
75
73
73
66
58
52
64
76
88
77
65
57

Medium Clouds (% Sky Obscured)

93
100
85
72
58
62
69
72
72
71
69
66
64
63
62
61
58

High Clouds (% Sky Obscured)

60
40
50
49
49
53
65
74
68
62
52
43
19
9
4
4
3

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

80
89
79
72
58
58
62
70
81
70
59
62
53
41
48
46
37

Precipitation Amount (mm)

0.4
0.6
0.4
0.3
0
0
0.2
0.3
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
11
11
11
11
12
11
12
12
12
12
11
11

Relative Humidity (%)

75
78
83
86
87
90
89
87
86
87
86
86
83
80
79
74
72

Pressure (mb)

1017
1017
1017
1017
1016
1015
1015
1014
1014
1013
1013
1012
1013
1014
1015
1015
1015

Ozone (du)

307
308
308
310
312
314
315
316
316
316
316
316
316
315
314
315
316

Forecast for Thwaite, Norfolk, United Kingdom (52.50,1.43)

Generated: 17/09/25 20:48:13. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00