Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 6

Waning Crescent 18%

01:07

17:44

17 OK
18 OK
19 OK
20 OK
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
16 Bad

Sun - Rise: 06:30, Set: 19:41, Transit: 13:04. Moon - Rise: 01:07, Set: 17:44. Civil Dark: 20:15 - 05:56. Nautical Dark: 20:57 - 05:14. Astro Dark: 21:42 - 04:30

Total Clouds (% Sky Obscured)

20
30
31
36
99
100
100
100
100
88
67
90
54
63
95
77
86
100
100
98
100
97
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
17
37
21
28
32
61
54
63
77
69
62
57
60
62
47
23
11
11

Medium Clouds (% Sky Obscured)

20
30
12
14
11
10
2
21
25
88
67
70
0
0
9
0
0
0
16
30
80
97
64
17

High Clouds (% Sky Obscured)

0
1
4
35
97
100
100
100
100
34
34
20
0
4
40
33
66
100
100
94
100
34
100
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
3
2
0
0
0
0
0
0
0
2
0
2
4
15
2
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)

13
12
11
9
9
8
7
6
6
6
7
7
6
9
9
11
13
14
15
14
14
15
15
14

Chance of Frost

Temperature (°C)

24
23
21
19
18
18
18
18
18
18
17
16
16
16
16
17
18
19
19
19
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
45
51
58
62
71
71
70
67
68
73
79
89
95
92
85
79
70
62
58
53
49
47
47

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

295
294
296
297
299
300
302
302
301
301
303
305
305
303
301
300
300
299
299
298
298
297
297
298

Monday 7

Waning Crescent 9%

02:36

18:16

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 OK
13 Bad
14 Bad
15 Bad
16 OK

Sun - Rise: 06:31, Set: 19:39, Transit: 13:04. Moon - Rise: 02:36, Set: 18:16. Civil Dark: 20:13 - 05:57. Nautical Dark: 20:54 - 05:16. Astro Dark: 21:39 - 04:32

Total Clouds (% Sky Obscured)

92
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
63
56
40
60
59
59
39

Low Clouds (% Sky Obscured)

0
0
14
0
0
65
74
84
91
91
97
93
82
80
72
29
49
37
35
20
34
45
59
30

Medium Clouds (% Sky Obscured)

68
52
100
100
100
100
100
100
100
100
100
100
90
79
68
65
60
0
56
0
6
12
0
0

High Clouds (% Sky Obscured)

70
79
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
5
5
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
6
6
4
5
9
9
9
5
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
5
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
12
8
15
30
87
95
62
63
74
42
27
15
40
26
2
6
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
0.8
0.2
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
54
60
67
74
78
79
75
75
90
89
92
92
93
93
93
92
84
70
58
46
42
50
47

Pressure (mb)

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

Ozone (du)

298
297
296
297
298
298
299
298
297
297
297
296
296
297
301
309
312
314
316
321
325
327
331
335

Tuesday 8

Waning Crescent 4%

04:05

18:39

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

Sun - Rise: 06:33, Set: 19:37, Transit: 13:04. Moon - Rise: 04:05, Set: 18:39. Civil Dark: 20:11 - 05:59. Nautical Dark: 20:52 - 05:18. Astro Dark: 21:36 - 04:34

Total Clouds (% Sky Obscured)

22
32
39
41
29
24
27
26
26
37
45
36
49
56
63
61
88
88
75
83
74
69
51
40

Low Clouds (% Sky Obscured)

20
22
21
16
2
14
9
8
8
37
45
36
49
53
53
48
85
79
64
67
60
66
33
13

Medium Clouds (% Sky Obscured)

0
3
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
3
19
20
18
16
14
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
1
9
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)

17
15
14
11
10
11
10
10
10
10
10
10
9
9
8
9
10
12
12
11
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
12
11
10
9
9
9
9
9
7
6
7
6
6
7
9
10
10
12
12
14
14
16

Dew Point (°C)

4
5
6
7
7
8
8
8
8
8
6
4
5
4
4
5
7
7
6
7
6
7
7
7

Relative Humidity (%)

43
47
55
63
68
73
77
79
79
83
72
60
68
62
65
66
70
62
56
54
49
50
48
46

Pressure (mb)

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

Ozone (du)

335
337
338
337
338
340
343
344
344
344
343
343
340
338
335
333
333
334
334
333
331
331
329
324

Wednesday 9

Waning Crescent 1%

05:31

18:56

17 OK
18 OK
19 Bad
20 Bad
21 OK
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

Sun - Rise: 06:34, Set: 19:34, Transit: 13:03. Moon - Rise: 05:31, Set: 18:56. Civil Dark: 20:08 - 06:01. Nautical Dark: 20:49 - 05:20. Astro Dark: 21:33 - 04:36

Total Clouds (% Sky Obscured)

37
37
64
55
42
33
29
33
34
34
31
54
77
100
100
100
100
95
70
84
88
91
95
97

Low Clouds (% Sky Obscured)

16
16
20
12
4
3
2
0
1
3
3
12
16
20
73
59
49
48
41
62
64
65
67
52

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
34
31
54
77
100
32
36
44
55
21
18
21
24
19
14

High Clouds (% Sky Obscured)

2
3
17
11
10
13
12
19
22
19
27
54
77
100
59
55
50
33
17
0
1
6
17
73

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
1
0
1
1
0
0
0
0
0
2
3
10

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
9
9
9
6
4
3
3
3
2
2
3
3
3
4
5
7
9
10
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
48
57
68
80
86
88
90
88
88
87
85
84
82
84
79
74
71
69
52
57
60
65
67

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

320
318
314
312
309
308
307
306
304
304
305
305
306
308
311
311
312
313
313
309
305
301
299
297

Thursday 10

Waning Crescent 0%

06:54

19:10

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
16 Bad

Sun - Rise: 06:36, Set: 19:32, Transit: 13:03. Moon - Rise: 06:54, Set: 19:10. Civil Dark: 20:06 - 06:02. Nautical Dark: 20:47 - 05:22. Astro Dark: 21:30 - 04:38

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
98
99
95
86
77
76
77
78
72
65
66
70
73
72
73

Low Clouds (% Sky Obscured)

46
70
64
20
18
37
65
94
84
76
88
95
81
72
76
77
78
72
65
66
70
73
72
73

Medium Clouds (% Sky Obscured)

10
6
7
63
100
100
100
95
89
62
10
44
8
5
3
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

86
100
100
100
100
93
86
80
68
15
26
5
3
0
5
8
11
8
5
3
4
5
6
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 (%)

10
18
17
2
8
22
27
28
33
36
33
25
18
4
5
8
9
12
15
19
21
21
17
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
13
12
13
12
12
13
14
14
14
14
14
14
15
16
16
15
15
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

66
74
79
85
90
95
95
96
95
93
95
96
93
95
95
90
86
81
75
68
63
61
59
57

Pressure (mb)

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

Ozone (du)

296
294
291
290
290
288
288
288
287
287
286
285
285
288
289
288
288
288
288
288
287
286
286
285

Friday 11

New Moon 2%

08:14

19:22

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

Sun - Rise: 06:38, Set: 19:30, Transit: 13:03. Moon - Rise: 08:14, Set: 19:22. Civil Dark: 20:04 - 06:04. Nautical Dark: 20:44 - 05:23. Astro Dark: 21:28 - 04:40

Total Clouds (% Sky Obscured)

71
67
60
51
41
46
52
57
45
34
25
30
34
38
50
61
73
74
73
71
76
80
84
87

Low Clouds (% Sky Obscured)

71
67
58
45
31
20
10
0
0
0
0
0
0
0
2
4
5
26
48
69
64
59
53
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
3
5
4
3
2
1
0
0
0
1
2
3
4
5
5
6
6
12

High Clouds (% Sky Obscured)

6
3
4
6
7
21
35
47
33
20
8
17
28
37
46
55
63
51
39
29
39
47
55
54

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 (%)

5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
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)

9
8
7
7
7
7
6
5
4
3
3
4
4
4
4
6
8
10
10
10
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
56
56
63
70
80
80
80
80
81
81
83
83
83
83
71
59
50
51
51
53
55
59
61

Pressure (mb)

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

Ozone (du)

285
285
285
285
285
285
285
285
286
285
285
285
286
286
287
288
289
290
291
291
291
290
289
288

Saturday 12

Waxing Crescent 7%

09:33

19:35

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

Sun - Rise: 06:39, Set: 19:28, Transit: 13:02. Moon - Rise: 09:33, Set: 19:35. Civil Dark: 20:01 - 06:06. Nautical Dark: 20:42 - 05:25. Astro Dark: 21:25 - 04:42

Total Clouds (% Sky Obscured)

90
94
95
93
91
76
61
45
52
58
64
69
77
82
87
92
97
97
97
97

Low Clouds (% Sky Obscured)

51
50
51
48
48
56
61
45
52
58
59
61
66
71
75
80
85
88
91
94

Medium Clouds (% Sky Obscured)

11
13
22
31
39
53
61
45
52
58
62
49
39
27
20
12
4
4
4
3

High Clouds (% Sky Obscured)

58
76
79
72
65
48
31
14
26
38
49
53
54
50
62
77
92
91
91
90

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 (%)

1
0
7
11
13
13
14
12
14
13
4
9
9
7
8
10
7
10
13
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
72
77
81
86
92
93
93
93
95
96
96
98
96
98
95
92
90
83
77

Pressure (mb)

1024
1024
1024
1024
1024
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021

Ozone (du)

289
290
291
294
296
299
300
301
301
300
298
296
294
292
289
288
287
286
285
284

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 06/09/26 17:34:21. Forecast: 06/09/26 to 12/09/26. Timezone: UTC+1.00