Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:56

18:23

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:56, Set: 19:20, Transit: 13:07. Moon - Rise: 03:56, Set: 18:23. Civil Dark: 19:53 - 06:24. Nautical Dark: 20:32 - 05:45. Astro Dark: 21:13 - 05:04

Total Clouds (% Sky Obscured)

89
87
78
93
96
60
100
91
100
78
77
92
89
91
91
91
90
86
87
83
77
82
87
84

Low Clouds (% Sky Obscured)

68
63
61
52
56
54
62
43
64
78
68
86
78
71
64
66
76
79
82
79
63
75
83
81

Medium Clouds (% Sky Obscured)

15
2
6
0
0
2
12
34
0
0
11
18
31
45
32
32
31
29
41
8
6
43
65
62

High Clouds (% Sky Obscured)

52
4
4
36
86
60
100
38
43
35
65
13
11
21
28
29
42
37
27
51
55
45
35
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
0
1
1
0
1
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
4
14
2
4
3
1
1
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
15
14
17
17
16
14
12
10
9
8
7
7
6
6
6
5
5
5
5
4
5
6
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
15
16
16
16
15
15
15
15
14
14
14
15
14
15

Relative Humidity (%)

76
74
73
73
74
76
80
85
89
90
90
95
95
96
95
96
96
98
96
96
96
96
89
83

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

265
265
266
266
264
262
261
260
260
260
258
258
258
258
257
257
259
260
260
261
262
262
264
264

Friday 19

Waning Crescent 6%

05:13

18:38

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:58, Set: 19:18, Transit: 13:07. Moon - Rise: 05:13, Set: 18:38. Civil Dark: 19:50 - 06:25. Nautical Dark: 20:29 - 05:46. Astro Dark: 21:10 - 05:06

Total Clouds (% Sky Obscured)

94
100
91
70
65
67
84
76
65
67
65
74
96
100
100
100
94
100
100
100
94
100
100
100

Low Clouds (% Sky Obscured)

80
79
80
70
65
67
57
48
35
35
41
46
50
68
78
88
78
80
74
82
73
82
85
78

Medium Clouds (% Sky Obscured)

37
3
4
2
0
0
6
0
0
0
0
4
28
40
18
49
64
73
46
73
80
73
66
84

High Clouds (% Sky Obscured)

72
100
89
35
8
15
50
54
61
67
56
57
89
100
100
100
93
100
100
100
87
100
99
46

ISS Passover

Visibility (miles)

9
8
7
7
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
1
6
10
13
18
17
2
1
8
22
1
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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
2
7
72

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
0.5

Wind Speed/Direction (mph)

11
11
11
11
10
10
8
6
5
4
3
4
3
2
2
2
3
3
3
4
4
5
9
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
73
68
64
55
53
59
69
78
83
86
87
90
89
89
90
90
90
90
92
95
95
90
82

Pressure (mb)

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

Ozone (du)

265
267
270
269
269
268
269
270
270
271
270
271
271
270
272
272
271
269
269
269
269
270
270
271

Saturday 20

Waning Crescent 2%

06:27

18:50

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

Sun - Rise: 07:00, Set: 19:16, Transit: 13:07. Moon - Rise: 06:27, Set: 18:50. Civil Dark: 19:48 - 06:27. Nautical Dark: 20:27 - 05:48. Astro Dark: 21:07 - 05:08

Total Clouds (% Sky Obscured)

100
99
100
95
93
93
29
24
51
51
56
65
73
44
60
72
80
68
72
71
76
75
73
56

Low Clouds (% Sky Obscured)

62
74
82
77
73
85
29
24
48
51
56
64
67
44
60
60
73
58
61
58
67
67
68
37

Medium Clouds (% Sky Obscured)

91
97
99
63
73
13
0
0
0
0
0
0
4
0
0
16
0
4
26
27
24
25
22
18

High Clouds (% Sky Obscured)

100
86
64
0
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

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

Precipitation Probability (%)

95
95
45
51
48
24
7
1
5
4
10
22
7
4
8
21
12
12
7
19
21
12
11
6

Precipitation Amount (mm)

2
0.9
0
0
0.2
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
14
17
17
20
19
17
16
16
17
16
15
13
15
14
12
11
9
11
12
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
65
70
72
79
78
74
84
79
82
74
74
74
79
75
74
70
72
76
79
76
80
76

Pressure (mb)

1010
1009
1008
1007
1006
1005
1005
1005
1006
1005
1005
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010

Ozone (du)

271
271
272
273
273
279
287
287
287
289
290
292
295
298
300
303
303
302
306
308
308
309
313
313

Sunday 21

New Moon 0%

07:39

19:01

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:01, Set: 19:13, Transit: 13:06. Moon - Rise: 07:39, Set: 19:01. Civil Dark: 19:46 - 06:28. Nautical Dark: 20:25 - 05:50. Astro Dark: 21:05 - 05:10

Total Clouds (% Sky Obscured)

54
47
70
86
94
93
93
92
87
94
83
90
83
76
69
58
58
57
56
46
46
47
49
53

Low Clouds (% Sky Obscured)

43
40
54
45
59
54
51
44
46
48
44
41
27
20
20
25
25
30
35
35
42
45
49
53

Medium Clouds (% Sky Obscured)

13
7
23
69
79
85
50
56
46
62
59
89
83
64
56
58
57
53
39
8
8
37
43
45

High Clouds (% Sky Obscured)

0
0
1
23
30
30
29
30
4
3
12
30
28
25
30
7
35
14
2
25
27
40
45
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
7
9
8
6
8
4
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
Very Light Rain
None
None
None

Precipitation Probability (%)

4
5
11
13
7
27
38
16
17
16
7
13
15
10
14
33
42
48
43
47
53
42
31
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

17
19
19
18
18
16
13
12
11
10
10
10
10
10
9
9
8
10
11
13
14
15
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
58
58
62
70
79
82
87
86
90
84
87
83
81
84
85
88
91
93
91
91
90
93
93

Pressure (mb)

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

Ozone (du)

315
316
315
314
313
311
311
312
312
314
315
316
317
318
318
316
316
316
316
316
317
317
318
319

Monday 22

Waxing Crescent 1%

08:50

19:12

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

Sun - Rise: 07:03, Set: 19:11, Transit: 13:06. Moon - Rise: 08:50, Set: 19:12. Civil Dark: 19:44 - 06:30. Nautical Dark: 20:22 - 05:51. Astro Dark: 21:02 - 05:11

Total Clouds (% Sky Obscured)

60
73
71
67
60
52
43
32
41
46
55
36
22
4
4
10
5
5
5
4
21
39
43
37

Low Clouds (% Sky Obscured)

60
73
71
67
60
46
27
7
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

45
39
40
2
2
8
12
15
21
30
35
22
9
0
0
0
0
0
0
0
2
5
11
21

High Clouds (% Sky Obscured)

35
11
2
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
5
4
18
39
43
37

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 (%)

27
18
14
22
19
10
7
2
1
1
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)

18
19
19
19
18
18
16
15
14
13
12
11
11
10
8
7
6
5
5
5
5
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
89
86
76
76
72
70
67
65
66
67
66
67
72
79
88
87
85
85
77
67
61

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

320
319
317
317
315
314
313
312
311
311
311
309
307
306
305
304
303
303
303
303
303
303
303
303

Tuesday 23

Waxing Crescent 3%

10:02

19:23

11 OK
12 OK
13 OK
14 OK
15 OK
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

Sun - Rise: 07:04, Set: 19:09, Transit: 13:06. Moon - Rise: 10:02, Set: 19:23. Civil Dark: 19:41 - 06:32. Nautical Dark: 20:20 - 05:53. Astro Dark: 21:00 - 05:13

Total Clouds (% Sky Obscured)

26
15
13
30
29
43
57
78
82
85
89
90
90
85
68
54
54
71
87
92
96
96
100
100

Low Clouds (% Sky Obscured)

1
1
11
23
29
22
13
1
19
37
53
66
82
85
68
54
54
71
66
73
71
69
75
86

Medium Clouds (% Sky Obscured)

26
15
13
22
8
15
18
20
19
23
25
36
49
57
59
54
54
52
47
42
32
31
25
24

High Clouds (% Sky Obscured)

26
15
13
28
1
29
57
78
65
31
3
31
58
85
68
54
54
71
86
86
79
67
58
38

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
5
5
3
6
7
6
12
12
8
12
13
12
23
27
27
31
33
33
35
39
42
42

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)

11
11
12
12
12
12
10
7
5
5
4
4
5
5
6
6
7
7
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
56
54
53
53
53
59
68
76
76
76
77
79
81
83
84
84
85
87
88
90
80
71
63

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

303
302
302
303
303
303
302
302
301
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300

Wednesday 24

Waxing Crescent 7%

No Rise

19:36

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

Sun - Rise: 07:06, Set: 19:07, Transit: 13:05. Moon - Rise: No Rise, Set: 19:36. Civil Dark: 19:39 - 06:33. Nautical Dark: 20:18 - 05:55. Astro Dark: 20:57 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
91
92
95
97
100
95
77
64
64
55
55
53
56
48

Low Clouds (% Sky Obscured)

93
100
100
95
90
79
65
59
55
58
50
56
69
64
64
55
55
53
56
48

Medium Clouds (% Sky Obscured)

23
21
25
25
20
25
25
26
32
33
50
55
60
60
55
55
45
35
30
30

High Clouds (% Sky Obscured)

19
0
0
0
0
0
1
2
16
22
31
32
33
62
64
55
55
53
56
48

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
27
24
20
11
23
31
29
34
37
16
16
14
9
16
22
27
36
43
51

Precipitation Amount (mm)

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
7
6
6
6
5
5
5
5
4
4
4
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
16
16
15
15
16
16
11
11
11
11
10
10
9
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

57
52
48
48
48
47
53
61
70
71
72
74
77
80
82
82
82
82
82
82

Pressure (mb)

1025
1025
1025
1025
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

299
299
299
299
299
298
297
296
295
295
294
294
294
293
293
294
294
295
295
295

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 18/09/25 11:04:32. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00