Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

02:18

18:16

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
21 Bad

Sun - Rise: 06:43, Set: 19:10, Transit: 12:56. Moon - Rise: 02:18, Set: 18:16. Civil Dark: 19:43 - 06:10. Nautical Dark: 20:24 - 05:29. Astro Dark: 21:06 - 04:47

Total Clouds (% Sky Obscured)

100
98
100
100
100
96
100
100
98
99
100
96
100
99
100
99
100
87
76
57
53
75
89
89

Low Clouds (% Sky Obscured)

80
98
100
95
100
91
100
89
96
95
86
80
100
81
91
77
51
57
51
51
51
47
42
49

Medium Clouds (% Sky Obscured)

45
28
32
36
35
28
43
43
10
2
6
0
12
4
18
2
4
7
0
0
4
20
36
31

High Clouds (% Sky Obscured)

13
2
9
15
13
2
3
2
41
54
59
55
10
89
80
80
46
38
29
46
53
75
65
60

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
2
3
19
19
16
2
1
1
0
6
2
5
1
4
12
2
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
95
92
93
92
92
95
95
93
90
86
84
74
74
70
67
65
67
69
76
83
89

Pressure (mb)

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

Ozone (du)

266
265
265
265
266
266
265
265
264
264
264
262
260
259
259
259
259
259
260
259
259
258
257
257

Thursday 18

Waning Crescent 6%

03:40

18:29

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

Sun - Rise: 06:45, Set: 19:07, Transit: 12:56. Moon - Rise: 03:40, Set: 18:29. Civil Dark: 19:41 - 06:11. Nautical Dark: 20:21 - 05:31. Astro Dark: 21:03 - 04:49

Total Clouds (% Sky Obscured)

94
97
100
100
100
96
67
73
75
78
87
52
43
40
32
38
44
85
44
37
44
48
32
37

Low Clouds (% Sky Obscured)

54
56
64
64
77
60
65
73
73
77
86
51
41
40
31
38
39
50
38
34
44
47
32
36

Medium Clouds (% Sky Obscured)

32
5
32
50
52
13
3
4
47
42
35
19
21
3
2
2
5
5
4
4
1
1
0
0

High Clouds (% Sky Obscured)

85
96
100
100
100
95
61
61
11
46
10
8
25
10
19
14
42
61
29
18
4
4
3
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
95
95
95
96
95
95
95
90
82
71
62
57
53
48
44
43
46
53
62
67
70

Pressure (mb)

1019
1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

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

Friday 19

Waning Crescent 2%

04:59

18:40

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
21 Bad

Sun - Rise: 06:47, Set: 19:05, Transit: 12:56. Moon - Rise: 04:59, Set: 18:40. Civil Dark: 19:39 - 06:13. Nautical Dark: 20:19 - 05:33. Astro Dark: 21:01 - 04:51

Total Clouds (% Sky Obscured)

66
57
61
64
61
94
100
100
64
88
98
95
100
100
100
100
100
100
97
100
100
93
89
85

Low Clouds (% Sky Obscured)

41
55
38
26
6
23
26
33
44
55
66
70
60
55
70
61
52
80
58
62
58
59
63
62

Medium Clouds (% Sky Obscured)

0
0
24
29
27
15
24
27
2
15
54
87
80
91
91
69
26
41
43
49
10
11
21
42

High Clouds (% Sky Obscured)

62
40
4
34
52
77
99
100
46
61
82
47
100
100
100
100
100
97
90
100
100
77
50
20

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
2
85
100
98
76
31
5
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
0
0
0
0
0
0
0
0
1
1
5
7
0
2
2
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
73
71
73
73
74
74
71
71
69
63
57
52
54
62
56
51
50
53
55
64
71
73

Pressure (mb)

1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1007
1007
1006
1006
1006
1005

Ozone (du)

262
261
262
263
264
263
262
262
262
263
265
265
264
264
263
263
263
262
263
264
265
266
266
266

Saturday 20

Waning Crescent 0%

06:14

18:50

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 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:48, Set: 19:03, Transit: 12:55. Moon - Rise: 06:14, Set: 18:50. Civil Dark: 19:36 - 06:15. Nautical Dark: 20:16 - 05:35. Astro Dark: 20:58 - 04:53

Total Clouds (% Sky Obscured)

79
71
60
66
76
84
86
85
88
91
92
47
76
69
74
46
36
31
36
38
42
48
52
52

Low Clouds (% Sky Obscured)

76
45
60
66
68
69
68
75
79
72
62
47
54
55
57
46
36
31
35
30
28
18
10
0

Medium Clouds (% Sky Obscured)

45
29
3
2
0
0
15
30
45
43
41
32
25
21
18
12
7
0
9
16
24
25
29
26

High Clouds (% Sky Obscured)

20
20
15
15
10
10
10
6
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 (%)

9
5
18
4
22
35
16
24
24
36
32
20
19
14
0
0
0
0
0
2
3
2
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
12
12
13
13
14
16
15
15
18
16
15
15
14
13
13
13
12
12
11
10
9
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
82
92
89
86
84
90
87
87
79
77
75
66
59
53
49
44
43
43
47
52
63
73
78

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1005
1006
1007
1008
1010
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1016

Ozone (du)

268
270
271
271
274
274
276
277
279
280
281
281
281
283
283
284
286
288
290
291
293
294
295
294

Sunday 21

New Moon 1%

07:28

18:59

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

Sun - Rise: 06:50, Set: 19:00, Transit: 12:55. Moon - Rise: 07:28, Set: 18:59. Civil Dark: 19:34 - 06:16. Nautical Dark: 20:14 - 05:36. Astro Dark: 20:55 - 04:55

Total Clouds (% Sky Obscured)

34
44
25
4
2
0
0
0
0
3
7
19
22
57
70
80
84
89
64
41
18
20
22
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
7
12
22
40
55
57
58
59
43
26
10
15
19
24

Medium Clouds (% Sky Obscured)

14
10
22
2
1
0
0
0
0
0
0
0
0
0
0
13
21
27
19
13
5
4
2
1

High Clouds (% Sky Obscured)

0
15
20
1
0
0
0
0
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
0
0
0
0
0
0
0
1
1
3
6
12
28
25
29
25
21
18
14
7
7
6
2

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
3
3
3
3
4
4
4
5
5
7
10
12
13
13
13
14
15
14
13
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
84
87
85
87
88
87
90
87
84
75
69
76
79
78
78
76
75
75
73
72
72

Pressure (mb)

1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022

Ozone (du)

294
296
298
300
303
305
306
307
307
307
307
308
310
311
310
311
310
310
309
310
310
310
310
310

Monday 22

Waxing Crescent 3%

08:41

19:09

22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
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
21 Bad

Sun - Rise: 06:52, Set: 18:58, Transit: 12:55. Moon - Rise: 08:41, Set: 19:09. Civil Dark: 19:31 - 06:18. Nautical Dark: 20:11 - 05:38. Astro Dark: 20:53 - 04:57

Total Clouds (% Sky Obscured)

22
22
19
27
35
45
60
65
71
72
78
75
73
75
81
82
80
78
82
87
94
95
97
98

Low Clouds (% Sky Obscured)

20
15
11
10
9
9
22
31
39
44
42
42
48
54
60
54
47
41
40
38
37
53
66
80

Medium Clouds (% Sky Obscured)

2
2
3
7
12
19
31
43
40
25
20
20
14
13
21
25
37
41
44
47
50
50
45
45

High Clouds (% Sky Obscured)

13
22
19
27
18
12
31
58
71
72
78
75
73
75
81
82
80
78
63
38
10
34
46
55

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
Very Light Rain

Precipitation Probability (%)

4
3
0
0
0
0
6
4
3
15
18
19
22
22
17
20
19
11
26
25
22
38
50
61

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
72
73
74
75
78
79
84
85
73
63
55
52
51
48
46
43
41
46
50
56
64
72

Pressure (mb)

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

Ozone (du)

309
308
307
306
307
309
310
310
310
311
312
313
315
314
314
313
314
314
314
313
312
312
311
309

Tuesday 23

Waxing Crescent 7%

09:55

19:21

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: 06:53, Set: 18:55, Transit: 12:54. Moon - Rise: 09:55, Set: 19:21. Civil Dark: 19:29 - 06:20. Nautical Dark: 20:09 - 05:40. Astro Dark: 20:50 - 04:59

Total Clouds (% Sky Obscured)

95
95
93
94
95
96
93
91
84
81
82
83
79
69
67
73
75
89
81
73
74

Low Clouds (% Sky Obscured)

75
69
68
75
74
74
79
84
84
81
82
76
78
69
67
73
75
84
72
60
49

Medium Clouds (% Sky Obscured)

44
38
37
38
39
50
37
26
20
21
19
16
11
14
13
13
18
23
34
40
41

High Clouds (% Sky Obscured)

35
16
5
5
4
4
2
2
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

Fog (%)

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

Precipitation Probability (%)

60
65
66
53
44
39
35
29
23
23
22
14
16
17
13
22
23
19
20
19
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
7
7
7
7
7
7
7
6
6
5
5
4
4
4
4
5
6

Relative Humidity (%)

80
82
84
84
85
87
87
88
90
91
84
77
70
63
57
50
52
53
55
62
67

Pressure (mb)

1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

308
307
307
306
305
305
304
303
303
302
300
299
298
297
297
296
296
296
296
296
296

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 17/09/25 22:48:03. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00