Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 74%

21:06

13:10

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:30, Set: 19:58, Transit: 13:13. Moon - Rise: 21:06, Set: 13:10. Civil Dark: 20:33 - 05:56. Nautical Dark: 21:14 - 05:14. Astro Dark: 22:00 - 04:29

Total Clouds (% Sky Obscured)

99
100
100
100
100
98
100
100
100
100
99
96
88
100
100
100
100
100
100
100
97
80
83
74

Low Clouds (% Sky Obscured)

26
38
50
27
9
14
22
26
62
71
81
43
36
25
47
91
97
100
97
100
94
58
68
66

Medium Clouds (% Sky Obscured)

20
95
75
100
67
74
78
100
98
69
58
68
55
38
98
100
100
100
27
18
19
16
20
17

High Clouds (% Sky Obscured)

99
100
100
97
100
60
100
100
99
36
35
26
75
48
97
12
29
45
69
89
34
35
30
9

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
1
0
1
0
0
2
21
37
33
35
45
18
22
55
68
95
92
28
25
13
10
15
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
0.6
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
8
5
4
3
3
3
2
2
3
2
3
3
3
4
6
7
12
13
15
16
15

Chance of Frost

Temperature (°C)

20
20
19
18
17
16
15
14
14
14
14
14
14
14
14
15
16
16
17
18
18
20
22
22

Feels Like (°C)

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

Dew Point (°C)

10
10
11
12
13
13
13
13
12
12
12
12
13
13
13
13
14
14
15
13
13
14
16
19

Relative Humidity (%)

54
54
58
66
77
85
87
89
86
86
86
86
90
90
92
87
89
85
86
72
72
70
70
80

Pressure (mb)

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

Ozone (du)

319
320
318
320
317
313
311
309
306
305
305
304
303
301
298
296
295
294
295
295
295
295
295
295

Wednesday 2

Waning Gibbous 63%

21:30

14:35

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:31, Set: 19:56, Transit: 13:13. Moon - Rise: 21:30, Set: 14:35. Civil Dark: 20:30 - 05:58. Nautical Dark: 21:12 - 05:16. Astro Dark: 21:57 - 04:31

Total Clouds (% Sky Obscured)

80
84
79
81
70
74
85
78
100
98
98
100
100
100
100
100
100
99
99
78
77
94
96
94

Low Clouds (% Sky Obscured)

80
84
30
27
26
25
31
35
84
94
94
95
92
86
84
86
87
95
98
66
54
75
62
53

Medium Clouds (% Sky Obscured)

11
12
18
17
10
12
11
9
15
24
29
23
20
18
14
23
16
12
17
16
17
17
24
18

High Clouds (% Sky Obscured)

3
9
2
10
4
2
82
17
98
71
59
73
99
100
99
100
87
73
60
20
15
13
7
9

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
1
2
1
1
6
6
2
3
0
0
0
0
4
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 (%)

12
12
10
7
5
0
0
0
1
2
3
4
6
11
12
13
15
10
13
22
9
21
23
34

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)

16
14
12
11
9
7
6
5
5
6
7
7
8
7
7
7
7
7
9
10
13
15
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
76
74
81
93
92
93
95
92
88
88
90
93
93
93
93
95
95
92
74
61
59
59

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

295
294
293
292
292
292
291
290
290
289
288
288
288
288
288
287
288
287
288
287
286
285
284
285

Thursday 3

Waning Gibbous 51%

22:04

15:54

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:33, Set: 19:54, Transit: 13:12. Moon - Rise: 22:04, Set: 15:54. Civil Dark: 20:28 - 05:59. Nautical Dark: 21:09 - 05:18. Astro Dark: 21:54 - 04:34

Total Clouds (% Sky Obscured)

99
88
93
94
99
95
89
88
92
93
91
87
88
97
100
100
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
60
53
80
90
88
83
83
88
85
89
63
64
93
99
85
58
80
88
87
80
77
38
45

Medium Clouds (% Sky Obscured)

14
7
10
10
8
9
7
9
11
10
10
11
19
19
41
66
73
82
86
100
100
100
100
100

High Clouds (% Sky Obscured)

98
34
50
66
92
44
25
35
3
12
11
87
86
85
81
79
75
98
100
100
99
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
8
3
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
6
14
17
3
0
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

31
22
26
13
6
5
3
3
2
3
9
27
41
54
37
33
47
58
59
62
87
70
19
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0.5
0.3
0.2
0.8
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
67
72
77
79
81
84
84
85
89
88
84
85
85
84
89
85
77
87
89
89
93
89
79

Pressure (mb)

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

Ozone (du)

286
288
289
289
289
287
286
285
284
285
285
286
287
287
289
290
291
290
289
290
291
292
295
296

Friday 4

Third Quarter 39%

22:52

15:54

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 06:35, Set: 19:52, Transit: 13:12. Moon - Rise: 22:52, Set: 15:54. Civil Dark: 20:26 - 06:01. Nautical Dark: 21:07 - 05:20. Astro Dark: 21:51 - 04:36

Total Clouds (% Sky Obscured)

100
100
100
86
53
37
37
35
35
40
49
74
80
80
81
65
54
24
58
68
53
62
79
74

Low Clouds (% Sky Obscured)

33
9
10
8
16
22
20
20
17
18
17
15
18
21
23
16
8
0
8
16
28
30
29
28

Medium Clouds (% Sky Obscured)

93
87
80
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
2

High Clouds (% Sky Obscured)

100
100
100
78
23
0
0
0
0
8
24
58
65
63
62
48
48
22
40
41
10
19
43
34

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

14
2
1
2
1
0
0
0
0
2
3
0
3
4
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
10
9
9
7
5
5
4
4
3
3
3
2
2
2
1
2
2
2
2
4
5
7
8

Chance of Frost

Temperature (°C)

18
17
17
16
15
14
13
12
12
12
12
12
11
11
10
10
12
14
16
18
19
20
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
67
65
68
78
90
92
92
92
90
92
90
90
88
87
84
77
68
56
46
41
36
35
37

Pressure (mb)

1018
1018
1018
1019
1020
1020
1021
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1026
1027
1027
1027
1027
1026
1026

Ozone (du)

298
302
311
318
320
324
326
326
321
319
320
316
312
311
308
306
304
302
301
299
299
298
296
293

Saturday 5

Waning Crescent 28%

23:58

16:59

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

Sun - Rise: 06:36, Set: 19:50, Transit: 13:12. Moon - Rise: 23:58, Set: 16:59. Civil Dark: 20:23 - 06:03. Nautical Dark: 21:04 - 05:22. Astro Dark: 21:49 - 04:38

Total Clouds (% Sky Obscured)

45
50
66
65
65
48
47
62
71
74
75
69
59
61
53
49
66
77
84
90
96
98
99
100

Low Clouds (% Sky Obscured)

24
22
19
12
7
2
16
27
39
39
38
34
29
24
21
6
3
2
3
4
6
21
35
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
6
5
5
8
12
12
11
11
8
4
5
6
6
32
58
85
87
90
95

High Clouds (% Sky Obscured)

13
29
61
57
55
24
3
4
2
1
0
0
0
10
10
25
25
40
56
81
92
97
99
99

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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)

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

Chance of Frost

Temperature (°C)

20
19
19
17
15
14
13
13
13
13
14
14
14
14
13
13
16
18
20
21
22
23
22
22

Feels Like (°C)

17
17
16
15
14
13
14
15
15
14
14
15
15
15
12
12
14
14
14
15
16
17
21
21

Dew Point (°C)

8
9
9
10
11
11
10
10
11
11
11
11
11
11
11
11
11
11
11
12
12
13
14
15

Relative Humidity (%)

44
50
54
62
75
80
83
83
83
83
84
84
84
84
84
83
73
64
57
56
54
54
59
65

Pressure (mb)

1026
1026
1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019

Ozone (du)

292
291
290
290
287
286
285
284
284
283
282
283
284
284
284
285
285
284
284
284
284
284
285
285

Sunday 6

Waning Crescent 18%

01:19

17:47

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:38, Set: 19:47, Transit: 13:11. Moon - Rise: 01:19, Set: 17:47. Civil Dark: 20:21 - 06:04. Nautical Dark: 21:02 - 05:24. Astro Dark: 21:46 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
98
97
92
89
88
88
74
63
55
66
77
89
86
81
77
80
84
84
76
70
67

Low Clouds (% Sky Obscured)

58
67
78
68
56
44
30
17
13
16
26
28
21
11
4
4
3
2
7
14
19
15
14
10

Medium Clouds (% Sky Obscured)

88
80
73
77
78
80
80
79
81
56
31
6
9
11
13
10
3
3
7
11
20
23
25
23

High Clouds (% Sky Obscured)

100
100
100
92
81
71
47
24
0
3
7
11
35
61
88
83
77
58
62
67
71
51
30
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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

19
36
38
39
41
33
21
10
6
10
11
2
5
3
1
1
1
0
1
1
2
6
7
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)

10
8
7
5
5
4
3
3
3
3
3
3
5
4
3
3
5
6
8
9
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
17
19
19
19
19
20
19
17
17
17
17
17
17
16
17
17
18
19
20
25
24

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
70
74
78
82
85
88
89
90
90
90
90
92
92
83
75
67
61
54
50
49
48

Pressure (mb)

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

Ozone (du)

285
286
287
287
289
290
291
291
291
291
292
292
293
296
298
301
300
299
298
297
296
295
294
293

Monday 7

Waning Crescent 9%

02:47

18:20

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 OK
10 Bad
11 Bad
12 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)

65
65
64
68
73
78
73
68
66
74
82
89
82
72
63
56
48
40
50
63
74

Low Clouds (% Sky Obscured)

7
6
4
5
6
3
26
45
62
69
76
83
80
72
63
56
40
24
40
57
73

Medium Clouds (% Sky Obscured)

18
12
6
4
2
2
3
3
4
5
5
6
2
1
0
7
14
21
35
48
62

High Clouds (% Sky Obscured)

16
21
30
22
15
12
13
23
25
24
14
18
17
10
4
7
9
12
13
11
10

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

2
4
5
39
58
69
63
38
4
25
40
53
55
48
9
6
5
0
1
4
3

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
19
18
16
15
14
14
14
14
13
13
13
13
13
14
15
16
17
17

Feels Like (°C)

22
23
23
23
16
17
17
16
14
13
13
12
12
11
11
11
11
11
12
12
14

Dew Point (°C)

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

Relative Humidity (%)

48
53
59
65
74
83
92
89
83
79
80
80
80
79
76
75
67
59
55
57
60

Pressure (mb)

1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

292
291
290
289
289
288
287
287
286
285
286
286
287
286
286
285
284
283
282
282
282

Welcome to Clear Outside

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

Generated: 01/09/26 16:30:45. Forecast: 01/09/26 to 07/09/26. Timezone: UTC+1.00