Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 74%

21:06

11:45

05 OK
06 Bad
07 Bad
08 Bad
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 Bad
03 Bad
04 Bad

Sun - Rise: 06:28, Set: 19:58, Transit: 13:13. Moon - Rise: 21:06, Set: 11:45. Civil Dark: 20:33 - 05:54. Nautical Dark: 21:14 - 05:13. Astro Dark: 22:00 - 04:29

Total Clouds (% Sky Obscured)

21
37
47
50
40
60
60
66
98
100
100
100
100
100
100
100
100
100
100
100
94
100
96
96

Low Clouds (% Sky Obscured)

0
9
13
0
0
28
26
49
39
43
58
68
38
44
16
24
13
6
19
35
69
72
74
57

Medium Clouds (% Sky Obscured)

21
37
47
50
40
48
48
17
15
23
22
32
21
57
58
94
88
96
98
88
93
98
82
72

High Clouds (% Sky Obscured)

5
28
16
4
2
3
1
2
98
100
100
99
100
100
100
100
100
100
100
38
34
24
27
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
Very Light Rain
None
None

Precipitation Probability (%)

3
2
1
1
1
1
2
3
0
0
5
2
2
1
0
0
1
8
23
42
41
44
26
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
2
3
5
8
8
8
8
9
12
10
10
7
4
2
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

10
10
10
11
15
18
19
20
21
21
21
21
20
20
19
17
16
15
15
15
15
15
15
15

Feels Like (°C)

9
9
9
11
14
16
18
19
19
19
18
16
17
17
16
16
15
15
14
14
14
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
81
70
58
48
45
40
38
38
48
52
53
61
74
79
80
84
86
89
87
87
86

Pressure (mb)

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

Ozone (du)

316
317
318
319
321
322
320
319
319
318
319
318
318
318
318
317
314
311
308
306
306
305
303
301

Wednesday 2

Waning Gibbous 74%

21:30

13:10

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:30, Set: 19:56, Transit: 13:13. Moon - Rise: 21:30, Set: 13:10. Civil Dark: 20:30 - 05:56. Nautical Dark: 21:12 - 05:14. Astro Dark: 21:57 - 04:31

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
97
93
98
95
100
72
57
70
82
85
84
85
87
95
97
96
100
98

Low Clouds (% Sky Obscured)

83
90
91
94
93
93
80
91
67
55
98
71
57
47
38
28
35
46
40
84
69
94
100
94

Medium Clouds (% Sky Obscured)

86
98
85
100
92
18
55
16
9
24
31
9
7
5
17
53
17
14
22
58
20
26
17
11

High Clouds (% Sky Obscured)

100
67
67
22
45
91
53
22
89
20
48
12
9
8
15
54
45
52
83
8
73
35
76
77

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 (%)

13
18
20
36
12
12
10
14
10
15
13
12
11
9
2
0
0
1
0
1
1
8
3
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)

3
4
5
6
7
9
12
15
15
17
16
16
15
14
11
8
6
5
5
5
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
14
14
15
15
14
12
16
16
18
19
17
17
17
17
17
18
17
17
16
17
17
17

Relative Humidity (%)

87
86
85
85
89
85
75
61
74
69
76
80
74
76
80
86
92
95
95
93
86
89
88
89

Pressure (mb)

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

Ozone (du)

300
297
296
294
293
294
295
295
295
295
294
292
292
291
289
289
289
289
288
288
288
288
286
286

Thursday 3

Waning Gibbous 63%

22:04

14:35

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:31, Set: 19:54, Transit: 13:13. Moon - Rise: 22:04, Set: 14:35. Civil Dark: 20:28 - 05:58. Nautical Dark: 21:09 - 05:16. Astro Dark: 21:54 - 04:34

Total Clouds (% Sky Obscured)

95
100
96
100
99
100
87
84
74
85
82
91
79
85
79
68
69
81
74
81
78
66
77
94

Low Clouds (% Sky Obscured)

95
100
94
98
97
67
45
41
46
55
66
71
71
58
47
51
49
58
43
55
56
39
52
90

Medium Clouds (% Sky Obscured)

11
12
93
10
8
5
8
19
7
17
13
12
11
10
9
7
8
9
10
10
15
20
23
21

High Clouds (% Sky Obscured)

49
72
42
64
82
100
41
30
20
15
2
8
1
1
1
1
8
8
3
8
4
0
2
22

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
2
6
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1

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 (%)

10
4
5
14
10
3
1
1
0
0
2
9
4
13
4
5
2
2
2
2
5
8
8
22

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
8
9
8
9
12
14
16
17
17
17
16
15
13
12
11
11
11
12
13
14
14
13
13

Chance of Frost

Temperature (°C)

19
19
19
20
20
21
23
24
25
25
25
25
24
23
22
21
20
20
20
20
20
20
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
95
91
86
76
65
58
55
56
58
58
61
68
76
88
92
89
89
88
86
85
86
88

Pressure (mb)

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

Ozone (du)

285
286
286
285
286
286
286
287
286
286
285
285
285
285
285
285
286
287
288
287
286
285
285
285

Friday 4

Third Quarter 51%

22:52

15:54

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

Sun - Rise: 06:33, Set: 19:52, Transit: 13:12. Moon - Rise: 22:52, Set: 15:54. Civil Dark: 20:26 - 05:59. Nautical Dark: 21:07 - 05:18. Astro Dark: 21:51 - 04:36

Total Clouds (% Sky Obscured)

98
100
100
90
100
100
100
100
100
100
100
100
100
100
75
53
30
54
64
100
82
100
62
82

Low Clouds (% Sky Obscured)

98
100
94
57
62
66
48
74
73
20
13
12
11
10
7
3
0
5
10
18
20
21
21
21

Medium Clouds (% Sky Obscured)

22
24
24
19
90
49
19
74
100
100
100
100
100
100
22
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

43
67
67
72
91
90
81
70
82
88
99
99
100
100
75
53
30
54
62
100
76
100
51
77

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

32
49
56
54
40
31
24
14
9
7
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
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
13
10
12
14
12
13
15
14
15
14
12
11
9
8
6
4
4
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
18
19
17
16
14
14
12
12
8
4
7
9
8
10
10
10
10
11
11
10
10
9
9

Relative Humidity (%)

88
86
92
91
78
75
71
62
60
49
38
46
54
53
62
70
74
80
90
92
90
90
90
88

Pressure (mb)

1014
1014
1014
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1024
1024
1024
1024

Ozone (du)

286
287
287
289
289
290
291
296
296
297
297
297
300
304
309
313
316
319
317
315
314
311
308
307

Saturday 5

Waning Crescent 39%

23:58

16:59

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 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 OK
03 OK
04 OK

Sun - Rise: 06:35, Set: 19:50, Transit: 13:12. Moon - Rise: 23:58, Set: 16:59. Civil Dark: 20:23 - 06:01. Nautical Dark: 21:04 - 05:20. Astro Dark: 21:49 - 04:38

Total Clouds (% Sky Obscured)

100
84
83
60
62
71
61
74
77
85
85
80
87
77
26
35
46
35
24
12
18
24
30
47

Low Clouds (% Sky Obscured)

23
26
16
8
0
12
21
32
25
18
10
7
4
2
0
1
1
0
0
0
1
2
4
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
5
7
3
7
7
12
12
17
6
5
5
6
8
9
9
9
9
8

High Clouds (% Sky Obscured)

100
76
79
48
62
56
8
9
9
13
13
7
10
3
10
12
24
17
14
4
12
21
27
41

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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)

2
2
3
2
3
4
5
5
5
6
7
9
8
7
5
4
4
4
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
11
13
14
15
18
19
20
19
17
18
18
19
17
17
17
16
16
15
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
80
69
57
46
40
35
33
34
39
43
44
55
62
69
77
79
80
81
81
82
82

Pressure (mb)

1025
1025
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022

Ozone (du)

305
303
302
301
299
297
297
295
293
291
289
288
286
286
285
285
284
284
284
284
283
283
283
282

Sunday 6

Waning Crescent 28%

01:19

17:47

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

Sun - Rise: 06:36, Set: 19:47, Transit: 13:12. Moon - Rise: 01:19, Set: 17:47. Civil Dark: 20:21 - 06:03. Nautical Dark: 21:02 - 05:22. Astro Dark: 21:46 - 04:40

Total Clouds (% Sky Obscured)

62
77
82
87
91
92
94
96
96
97
98
92
86
81
77
74
72
64
56
48
53
59
65
59

Low Clouds (% Sky Obscured)

5
5
6
6
4
4
4
13
16
25
25
26
21
15
11
7
4
4
7
7
7
10
10
7

Medium Clouds (% Sky Obscured)

7
7
8
10
9
25
38
53
65
78
90
88
86
81
77
74
72
64
49
30
21
13
7
6

High Clouds (% Sky Obscured)

57
74
75
73
71
72
74
70
75
78
92
64
36
8
5
3
0
0
0
0
9
17
19
13

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
1
0
0
1
3
1
5
8
6
5
6
2
5
4
0
3
1
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)

2
3
3
6
8
11
12
14
15
15
14
13
12
11
10
9
7
6
5
4
4
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
71
62
55
54
54
54
51
47
43
50
57
65
71
77
82
83
85
85
84
84
84

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

284
286
288
288
287
286
286
287
287
287
287
287
288
288
289
290
290
291
290
289
288
289
291
292

Monday 7

Waning Crescent 18%

02:47

18:20

05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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: 06:38, Set: 19:45, Transit: 13:11. Moon - Rise: 02:47, Set: 18:20. Civil Dark: 20:19 - 06:04. Nautical Dark: 20:59 - 05:24. Astro Dark: 21:43 - 04:42

Total Clouds (% Sky Obscured)

53
44
46
45
47
45
47
45
56
67
80
86
92
97
87
80
76
68
54
42

Low Clouds (% Sky Obscured)

7
6
7
7
3
7
7
10
20
29
38
32
26
19
16
13
10
9
7
6

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

4
1
15
29
41
45
47
45
56
67
80
82
86
90
78
67
56
40
27
15

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

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)

1
2
2
2
2
3
3
4
5
6
6
7
8
8
8
7
6
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
14
15
15
15
16
16
16
25
24
23
24
24
25
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

82
76
74
64
54
48
46
45
44
45
45
45
48
53
57
67
77
90
92
92

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

294
296
299
299
299
300
299
298
298
297
297
296
296
295
295
295
295
296
296
296

Welcome to Clear Outside

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

Generated: 01/09/26 05:27:51. Forecast: 01/09/26 to 07/09/26. Timezone: UTC+1.00