Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 7

Waning Crescent 18%

02:47

18:20

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
08 Bad
09 Bad

Sun - Rise: 06:39, Set: 19:45, Transit: 13:11. Moon - Rise: 02:47, Set: 18:20. Civil Dark: 20:19 - 06:06. Nautical Dark: 20:59 - 05:25. Astro Dark: 21:43 - 04:42

Total Clouds (% Sky Obscured)

99
99
100
100
100
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
43
62
57
21
22
12
32
0
0
24
53
68
72
75
89
86
83
89
79
83
81
92
78

Medium Clouds (% Sky Obscured)

0
14
98
82
98
77
77
88
66
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

90
99
100
100
100
89
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
4
5
3
3
3
3
4
2

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
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
Very Light Rain

Precipitation Probability (%)

3
0
1
0
0
0
0
0
1
1
16
55
62
78
90
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.5
0.6
0.9
1.4
1.5
1.9
1.9
1.9
0.5
0.3

Wind Speed/Direction (mph)

11
12
12
11
13
12
12
11
11
9
7
6
6
6
6
6
6
4
3
3
2
2
2
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
62
62
58
49
45
47
49
53
59
65
67
70
73
80
86
92
93
95
95
96
98
96
96

Pressure (mb)

1018
1018
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1014
1013
1012
1012
1011
1010
1010
1009
1009

Ozone (du)

299
299
298
297
297
298
298
298
298
298
297
297
297
296
297
296
296
296
296
296
299
301
304
308

Tuesday 8

Waning Crescent 9%

04:15

18:44

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

Sun - Rise: 06:41, Set: 19:43, Transit: 13:11. Moon - Rise: 04:15, Set: 18:44. Civil Dark: 20:16 - 06:07. Nautical Dark: 20:57 - 05:27. Astro Dark: 21:40 - 04:44

Total Clouds (% Sky Obscured)

77
52
42
39
40
46
34
31
22
8
0
4
20
42
32
36
21
28
31
60
51
65
67
70

Low Clouds (% Sky Obscured)

77
52
42
25
24
43
19
17
13
4
0
2
12
23
17
19
12
16
26
60
51
65
67
40

Medium Clouds (% Sky Obscured)

77
52
42
25
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
0
0
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)

2
8
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

Very Light Rain
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 (%)

70
21
13
2
1
0
0
1
1
0
1
1
2
0
0
1
1
1
1
1
1
0
1
2

Precipitation Amount (mm)

0.2
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
14
16
18
20
21
20
18
17
14
11
9
9
8
7
6
5
5
5
6
7
6
6
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
14
13
9
9
8
7
9
9
9
9
9
9
9
10
10
10
10
10
6
6
8
9

Relative Humidity (%)

96
93
83
70
55
55
52
52
61
67
70
71
72
76
77
81
87
90
92
87
64
67
72
68

Pressure (mb)

1009
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1019
1019

Ozone (du)

313
331
344
349
335
332
333
334
337
338
336
337
339
342
343
343
343
342
340
338
336
335
333
333

Wednesday 9

Waning Crescent 4%

05:40

19:02

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
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

Sun - Rise: 06:42, Set: 19:41, Transit: 13:11. Moon - Rise: 05:40, Set: 19:02. Civil Dark: 20:14 - 06:09. Nautical Dark: 20:54 - 05:29. Astro Dark: 21:37 - 04:46

Total Clouds (% Sky Obscured)

58
71
65
78
54
36
40
37
35
72
99
96
100
100
93
100
100
100
100
100
100
97
94
69

Low Clouds (% Sky Obscured)

54
71
65
78
45
30
40
32
27
29
19
0
2
10
0
2
24
32
35
38
22
24
29
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
4
0
3
4
100
96
96
93
89
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
72
99
96
100
100
83
100
100
100
100
100
100
61
22
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 (%)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
4
3

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
11
9
8
7
9
11
10
9
6
4
3
2
2
1
1
0
1
2
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
15
16
17
17
15
15
14
13
9
9
8
8
8
8
8
7
7
8
9
11
13

Dew Point (°C)

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

Relative Humidity (%)

59
57
57
59
57
48
45
46
53
61
74
81
86
87
90
88
90
88
88
87
85
88
83
76

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

333
332
332
330
331
327
323
319
317
315
311
309
306
304
303
302
303
302
301
301
304
309
310
310

Thursday 10

Waning Crescent 1%

07:02

19:17

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
08 Bad
09 Bad

Sun - Rise: 06:44, Set: 19:39, Transit: 13:10. Moon - Rise: 07:02, Set: 19:17. Civil Dark: 20:12 - 06:11. Nautical Dark: 20:52 - 05:31. Astro Dark: 21:35 - 04:48

Total Clouds (% Sky Obscured)

84
97
100
91
93
100
100
100
96
100
100
100
96
92
87
78
70
51
68
61
69
85
93
100

Low Clouds (% Sky Obscured)

61
85
84
53
48
53
61
29
59
88
94
100
87
92
87
78
70
51
68
61
54
58
47
40

Medium Clouds (% Sky Obscured)

13
79
16
9
9
15
17
18
18
99
100
60
76
8
65
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
45
66
70
87
100
100
100
84
55
88
54
36
18
0
2
4
5
5
7
26
69
86
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
6
4
4
9
5
6
8
8
19
26
36
60
54
43
22
18
17
9
7
3
3
6
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
59
63
60
49
49
52
57
64
73
81
86
86
89
89
86
86
85
90
87
93
95
92
82

Pressure (mb)

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

Ozone (du)

307
303
301
298
297
295
294
294
295
293
298
310
315
312
310
308
308
308
308
313
308
307
307
307

Friday 11

New Moon 0%

08:21

19:30

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

Sun - Rise: 06:45, Set: 19:36, Transit: 13:10. Moon - Rise: 08:21, Set: 19:30. Civil Dark: 20:09 - 06:12. Nautical Dark: 20:49 - 05:32. Astro Dark: 21:32 - 04:50

Total Clouds (% Sky Obscured)

96
91
86
79
72
63
52
37
36
21
19
3
22
24
31
44
56
69
69
70
70
72
77
81

Low Clouds (% Sky Obscured)

30
40
48
47
32
27
22
20
15
10
5
0
6
12
19
21
25
29
33
27
24
9
3
0

Medium Clouds (% Sky Obscured)

0
0
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
3
4

High Clouds (% Sky Obscured)

89
82
72
66
58
55
38
12
20
5
10
2
7
1
0
12
27
47
42
39
32
49
75
81

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 (%)

7
3
8
1
1
1
1
0
0
0
0
2
1
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)

11
11
11
12
12
12
12
11
11
9
7
6
4
4
4
3
3
3
2
3
3
3
2
2

Chance of Frost

Temperature (°C)

18
19
20
20
20
20
20
19
18
17
15
13
12
11
10
9
9
8
8
8
8
8
10
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
61
57
54
53
54
55
62
72
87
92
90
91
91
93
91
91
91
90
91
90
80
70

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

307
305
304
305
304
303
302
301
301
301
301
301
299
297
296
295
293
292
291
291
291
291
292
292

Saturday 12

Waxing Crescent 2%

09:39

19:43

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
08 Bad
09 Bad

Sun - Rise: 06:47, Set: 19:34, Transit: 13:10. Moon - Rise: 09:39, Set: 19:43. Civil Dark: 20:07 - 06:14. Nautical Dark: 20:47 - 05:34. Astro Dark: 21:29 - 04:52

Total Clouds (% Sky Obscured)

67
58
52
60
75
87
93
95
99
99
99
100
97
96
93
95
97
100
96
93
91
88
86
88

Low Clouds (% Sky Obscured)

3
5
12
19
21
22
29
39
48
57
66
77
78
79
80
86
92
99
90
79
60
44
28
12

Medium Clouds (% Sky Obscured)

7
9
11
12
13
14
30
46
63
74
85
96
97
93
90
78
65
53
42
29
15
7
5
2

High Clouds (% Sky Obscured)

59
33
7
11
16
44
72
87
97
88
81
73
61
47
34
34
32
20
25
31
40
37
58
63

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
2
1
11
18
20
30
34
36
43
42
45
39
30
26
36
41
39
32
26
16

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)

3
4
6
7
9
11
13
11
9
8
8
7
7
8
8
9
9
10
10
10
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
12
12
22
21
20
21
21
22
16
17
17
17
16
16
16
16
16
16
17
17
16
16

Dew Point (°C)

8
7
7
6
7
8
9
11
11
13
14
15
15
16
16
16
16
16
17
17
16
16
16
15

Relative Humidity (%)

63
53
46
39
40
43
46
52
58
67
72
80
85
88
88
88
89
92
93
93
93
93
86
80

Pressure (mb)

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

Ozone (du)

292
292
292
292
293
294
295
295
296
297
297
297
297
299
301
303
302
302
302
300
298
296
294
293

Sunday 13

Waxing Crescent 7%

No Rise

19:57

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

Sun - Rise: 06:48, Set: 19:32, Transit: 13:09. Moon - Rise: No Rise, Set: 19:57. Civil Dark: 20:05 - 06:15. Nautical Dark: 20:45 - 05:36. Astro Dark: 21:27 - 04:54

Total Clouds (% Sky Obscured)

88
85
83
74
64
54
47
41
34
43
54
64
68
70
65
70
81
94
83
72
61

Low Clouds (% Sky Obscured)

8
8
8
11
10
8
7
8
7
9
15
22
30
42
51
54
68
88
80
71
61

Medium Clouds (% Sky Obscured)

9
15
21
17
12
6
5
3
2
1
1
0
7
15
23
21
19
17
11
6
0

High Clouds (% Sky Obscured)

63
51
47
30
21
13
14
13
11
24
34
45
31
25
13
4
1
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

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

Precipitation Probability (%)

14
11
1
2
2
1
1
2
0
0
0
0
0
1
0
2
3
3
12
14
11

Precipitation Amount (mm)

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
13
13
11
10
8
7
5
3
3
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
68
64
59
56
52
51
57
64
72
78
83
89
89
89
89
86
83
80
83
89

Pressure (mb)

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

Ozone (du)

291
289
288
286
285
285
284
283
282
281
280
279
279
277
276
275
276
277
278
279
279

Welcome to Clear Outside

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

Generated: 07/09/26 10:02:36. Forecast: 07/09/26 to 13/09/26. Timezone: UTC+1.00