Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Third Quarter 41%

22:21

15:49

08 Good
09 OK
10 Bad
11 Bad
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 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:34, Set: 19:14, Transit: 12:53. Moon - Rise: 22:21, Set: 15:49. Civil Dark: 19:48 - 06:00. Nautical Dark: 20:28 - 05:20. Astro Dark: 21:11 - 04:38

Total Clouds (% Sky Obscured)

13
39
53
63
100
100
100
100
100
100
100
99
89
68
63
42
45
42
34
48
47
49
46
38

Low Clouds (% Sky Obscured)

0
0
0
15
13
74
53
61
98
100
78
88
80
54
63
42
45
41
34
46
47
49
46
38

Medium Clouds (% Sky Obscured)

13
39
53
63
100
97
99
100
100
48
32
32
88
9
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
39
53
63
100
100
100
61
100
75
92
9
2
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
8
7
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
5
15
20
89
95
95
95
95
37
24
15
14
4
1
5
8
2
2
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
2.6
1.8
0.9
0.8
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
4
9
10
12
13
11
13
15
17
19
21
20
22
21
20
21
21
21
21
21
21

Chance of Frost

Temperature (°C)

9
12
14
15
17
18
18
16
16
16
17
18
18
18
18
18
16
16
16
16
16
15
15
14

Feels Like (°C)

7
9
11
12
13
14
14
13
13
12
12
15
15
14
13
12
12
12
10
10
9
10
9
9

Dew Point (°C)

6
7
8
9
9
8
8
10
12
13
15
17
17
17
15
13
13
13
12
12
10
11
11
10

Relative Humidity (%)

80
71
67
65
59
52
52
66
79
82
90
95
89
89
82
76
81
81
77
78
70
75
76
74

Pressure (mb)

1013
1013
1013
1013
1012
1011
1010
1009
1007
1006
1004
1003
1003
1002
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004

Ozone (du)

275
271
268
264
261
260
262
261
263
263
265
264
263
263
266
269
272
273
274
278
281
283
282
283

Monday 15

Waning Crescent 39%

23:30

16:46

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

Sun - Rise: 06:36, Set: 19:12, Transit: 12:53. Moon - Rise: 23:30, Set: 16:46. Civil Dark: 19:45 - 06:02. Nautical Dark: 20:25 - 05:22. Astro Dark: 21:08 - 04:40

Total Clouds (% Sky Obscured)

34
38
45
40
25
28
35
32
38
44
29
29
36
30
37
44
51
54
47
42
48
46
40
50

Low Clouds (% Sky Obscured)

34
38
45
40
25
28
35
32
35
44
29
29
36
30
36
41
43
52
47
42
48
46
40
50

Medium Clouds (% Sky Obscured)

0
0
0
3
0
0
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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 (%)

1
2
4
3
6
9
26
28
32
16
5
1
1
1
0
0
2
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
67
61
56
49
47
50
55
61
62
63
64
66
69
70
71
70
67
66
68
70
71
71
68

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1008
1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1014

Ozone (du)

285
287
289
290
292
293
296
304
302
302
302
302
303
304
305
308
306
306
304
305
308
305
304
301

Tuesday 16

Waning Crescent 30%

00:51

17:25

08 Bad
09 Bad
10 Bad
11 OK
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

Sun - Rise: 06:37, Set: 19:09, Transit: 12:52. Moon - Rise: 00:51, Set: 17:25. Civil Dark: 19:43 - 06:04. Nautical Dark: 20:23 - 05:24. Astro Dark: 21:05 - 04:42

Total Clouds (% Sky Obscured)

44
67
92
39
60
68
100
100
100
100
100
85
100
98
93
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
36
35
27
23
33
74
20
21
4
0
0
0
29
38
64
59
72
79
88
90
92
94
93

Medium Clouds (% Sky Obscured)

0
0
0
0
15
11
21
22
35
71
92
74
73
83
75
89
89
100
100
99
100
100
100
83

High Clouds (% Sky Obscured)

0
30
65
8
26
46
100
100
100
100
100
48
100
84
81
100
100
100
100
94
95
96
90
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
5

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

Precipitation Probability (%)

1
1
0
0
2
0
0
1
2
1
1
0
1
11
52
61
91
70
86
95
95
95
95
80

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.3
0.5
0.7
0.6
0.6
0.7
0.4

Wind Speed/Direction (mph)

17
18
18
19
18
18
17
17
16
15
13
12
11
10
10
9
9
9
9
8
9
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
56
54
51
48
44
42
40
42
47
50
53
59
64
68
71
75
76
80
83
89
80
82
84

Pressure (mb)

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

Ozone (du)

300
301
300
297
290
286
282
279
276
273
272
269
267
266
265
264
261
260
260
260
259
258
258
258

Wednesday 17

Waning Crescent 20%

02:15

17:51

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:39, Set: 19:07, Transit: 12:52. Moon - Rise: 02:15, Set: 17:51. Civil Dark: 19:40 - 06:05. Nautical Dark: 20:20 - 05:26. Astro Dark: 21:02 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
69
63
63
73
70
73
79
82

Low Clouds (% Sky Obscured)

92
91
75
60
45
44
42
42
42
46
47
43
39
37
42
47
42
35
35
32
26
23
20
23

Medium Clouds (% Sky Obscured)

59
40
36
41
51
60
27
25
26
30
37
40
47
79
47
17
3
0
0
0
10
19
29
32

High Clouds (% Sky Obscured)

95
95
95
95
91
85
80
75
75
96
76
65
52
73
54
64
69
63
63
73
70
73
79
81

ISS Passover

Visibility (miles)

9
7
7
8
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

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

Precipitation Probability (%)

64
51
53
30
26
4
5
2
2
2
2
1
3
2
9
0
0
0
0
1
0
0
0
0

Precipitation Amount (mm)

0.2
0
0.2
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
16
17
19
19
20
21
20
20
19
18
16
16
16
17
16
16
16
15
14
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
83
85
86
88
86
86
88
89
88
86
90
92
90
89
89
85
82
81
82
82
83
83
83

Pressure (mb)

1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014

Ozone (du)

260
259
260
262
262
262
261
261
262
262
261
261
262
263
261
261
262
261
262
262
263
263
263
264

Thursday 18

Waning Crescent 12%

03:36

18:10

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:40, Set: 19:05, Transit: 12:52. Moon - Rise: 03:36, Set: 18:10. Civil Dark: 19:38 - 06:07. Nautical Dark: 20:18 - 05:27. Astro Dark: 21:00 - 04:46

Total Clouds (% Sky Obscured)

100
94
99
99
98
98
99
99
100
99
100
94
91
91
88
83
75
76
79
87
91
93
91
83

Low Clouds (% Sky Obscured)

28
29
28
27
26
45
65
84
89
92
98
66
68
71
64
62
63
61
56
49
42
34
24
26

Medium Clouds (% Sky Obscured)

36
36
69
69
77
87
60
98
99
64
43
15
20
25
18
10
3
5
8
10
20
30
28
16

High Clouds (% Sky Obscured)

100
83
94
87
80
57
37
11
11
1
0
17
24
31
22
16
11
22
34
45
36
27
18
26

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
1
1
6
18
32
44
86
53
50
14
14
11
16
18
18
19
17
13
15
14
11
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.8
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
72
64
61
61
68
76
83
83
89
89
90
90
90
92
89
88
85
85
85
83
86
89
90

Pressure (mb)

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

Ozone (du)

264
263
262
262
262
262
261
260
260
260
261
260
260
260
260
261
262
262
262
261
261
261
262
262

Friday 19

Waning Crescent 6%

04:54

18:24

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:42, Set: 19:02, Transit: 12:51. Moon - Rise: 04:54, Set: 18:24. Civil Dark: 19:36 - 06:09. Nautical Dark: 20:15 - 05:29. Astro Dark: 20:57 - 04:48

Total Clouds (% Sky Obscured)

85
79
79
75
79
85
90
96
97
97
99
99
100
100
100
100
100
100
99
98
94
93
88
92

Low Clouds (% Sky Obscured)

29
36
37
38
42
51
50
56
59
53
47
35
22
10
16
23
29
22
13
5
18
32
45
48

Medium Clouds (% Sky Obscured)

7
2
1
1
0
3
10
19
30
57
72
72
63
53
41
32
18
19
15
10
23
38
48
59

High Clouds (% Sky Obscured)

36
45
46
51
55
71
83
95
97
97
99
99
99
100
100
100
100
99
98
98
94
93
88
83

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 (%)

26
26
23
19
9
10
8
0
0
1
0
1
1
0
6
8
14
14
14
4
3
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
74
68
59
50
43
41
40
38
43
48
55
58
61
66
68
72
76
74
74
73
74
76
77

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012

Ozone (du)

262
262
262
262
262
263
263
263
263
264
264
265
266
266
267
267
267
267
267
267
267
266
265
264

Saturday 20

Waning Crescent 2%

06:10

18:35

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:44, Set: 19:00, Transit: 12:51. Moon - Rise: 06:10, Set: 18:35. Civil Dark: 19:33 - 06:10. Nautical Dark: 20:13 - 05:31. Astro Dark: 20:54 - 04:50

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
95
90
88
80
73
72
68
67
69

Low Clouds (% Sky Obscured)

51
53
54
56
58
48
43
35
35
35
31
37
46
56
56
55
55

Medium Clouds (% Sky Obscured)

70
80
72
60
49
66
83
100
95
90
80
70
55
45
30
30
29

High Clouds (% Sky Obscured)

88
91
93
92
92
95
98
100
78
57
25
15
10
10
5
6
6

ISS Passover

Visibility (miles)

9
9
9
9
8
8
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
9
24
37
43
75
89
89
63
35
2
2
2
1
6
4
2

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.7
0.6
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
69
61
56
51
52
55
58
60
63
68
65
64
62
70
78

Pressure (mb)

1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

263
263
262
262
262
262
262
263
263
264
264
265
266
267
268
269
271

Forecast for Laindon, Essex, United Kingdom (51.58,0.42)

Generated: 14/09/25 08:43:44. Forecast: 14/09/25 to 20/09/25. Timezone: UTC+1.00