Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 31%

00:20

16:44

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

Sun - Rise: 07:15, Set: 18:35, Transit: 12:55. Moon - Rise: 00:20, Set: 16:44. Civil Dark: 19:08 - 06:41. Nautical Dark: 19:47 - 06:03. Astro Dark: 20:26 - 05:24

Total Clouds (% Sky Obscured)

22
23
35
38
71
70
70
59
55
77
77
80
75
32
40
29
38
50
43
12
25
18
17
44

Low Clouds (% Sky Obscured)

8
14
20
29
54
46
24
25
27
47
70
80
72
13
15
13
17
19
13
0
0
0
0
3

Medium Clouds (% Sky Obscured)

12
5
3
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
23
24
20
22
27
39
30
17
47
23
29
21
13
23
11
19
22
24
11
24
18
17
44

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
31
52
56
84
82
74
86
88
88
44
4
2
2
1
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
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)

3
3
3
4
5
5
6
6
6
6
6
7
10
10
10
10
10
11
10
10
8
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
12
12
13
12
12

Relative Humidity (%)

93
95
96
96
96
96
95
95
96
95
96
89
83
74
66
59
57
55
57
60
70
82
87
90

Pressure (mb)

1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

277
276
275
274
274
273
273
271
271
271
270
270
269
268
268
268
267
267
267
267
268
268
269
270

Monday 5

Waning Crescent 20%

01:47

17:02

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 OK
11 OK
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:16, Set: 18:33, Transit: 12:54. Moon - Rise: 01:47, Set: 17:02. Civil Dark: 19:06 - 06:43. Nautical Dark: 19:44 - 06:04. Astro Dark: 20:23 - 05:25

Total Clouds (% Sky Obscured)

17
18
17
24
30
39
69
81
67
63
63
50
47
26
30
25
30
84
98
100
99
100
100
100

Low Clouds (% Sky Obscured)

5
11
14
14
17
23
24
25
26
27
24
21
26
16
26
20
15
3
21
9
20
20
8
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
24
30
29
25
5
3
0
0
11
75
96
99
99
100
100
100

High Clouds (% Sky Obscured)

10
6
3
6
7
8
36
67
33
33
27
9
11
7
3
0
3
2
44
59
55
55
61
87

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
9
16
12
9
14
23
28
31
23
6
1
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
0
0
0
0
3
17
29
35
24

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)

4
4
4
4
4
3
3
3
3
2
2
2
3
3
4
4
4
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

14
13
13
12
12
11
11
11
12
12
12
14
15
17
19
20
20
21
20
20
19
17
16
16

Feels Like (°C)

13
14
13
13
13
12
12
11
12
12
14
15
17
18
20
21
22
22
20
20
19
16
16
15

Dew Point (°C)

12
12
12
11
11
11
10
11
11
11
11
12
12
11
11
11
10
10
10
10
11
10
11
11

Relative Humidity (%)

92
92
93
92
93
95
93
95
95
95
95
87
78
68
62
56
52
50
50
51
59
63
72
73

Pressure (mb)

1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

271
271
272
273
274
274
275
275
277
278
279
280
281
282
283
284
285
287
289
289
290
292
295
295

Tuesday 6

Waning Crescent 12%

03:12

17:17

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
17 Bad
18 OK
19 Good
20 Good
21 Good

Sun - Rise: 07:18, Set: 18:30, Transit: 12:54. Moon - Rise: 03:12, Set: 17:17. Civil Dark: 19:04 - 06:45. Nautical Dark: 19:42 - 06:06. Astro Dark: 20:21 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
68
58
63
76
69
67
43
8
3
0

Low Clouds (% Sky Obscured)

51
71
88
91
86
92
97
100
70
100
100
100
95
95
68
58
63
76
69
67
43
7
3
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
99
100
89
90
76
64
4
10
6
0
0
0
0
0
0

High Clouds (% Sky Obscured)

81
77
100
100
100
100
100
100
100
100
99
70
74
99
43
39
40
37
40
23
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

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 (%)

29
27
33
47
44
40
36
19
19
6
9
29
29
16
4
3
12
5
4
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
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
4
5
5
6
6
7
8
10
12
12
13
12
13
14
15
15
14
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
78
78
78
81
84
89
90
95
88
86
83
80
77
76
80
83
72
64
54
51
62
72

Pressure (mb)

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

Ozone (du)

296
297
298
301
304
306
307
306
304
304
304
301
297
300
303
305
307
309
311
313
318
320
324
323

Wednesday 7

Waning Crescent 6%

04:34

17:30

22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 Bad
07 OK
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

Sun - Rise: 07:19, Set: 18:28, Transit: 12:54. Moon - Rise: 04:34, Set: 17:30. Civil Dark: 19:01 - 06:46. Nautical Dark: 19:40 - 06:08. Astro Dark: 20:19 - 05:29

Total Clouds (% Sky Obscured)

6
9
13
8
4
5
10
74
75
40
67
56
72
85
97
98
99
99
78
76
96
97
99
100

Low Clouds (% Sky Obscured)

6
9
13
8
4
2
9
5
7
11
11
12
15
21
27
43
36
26
20
25
8
47
82
96

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
18
31
40
35
35
76
97
97
89

High Clouds (% Sky Obscured)

0
0
0
0
0
3
0
65
65
27
60
46
68
79
91
92
93
94
55
30
59
72
69
95

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
0
0
0
0
0
0
11
31
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
84
87
90
88
88
88
90
86
84
71
62
57
53
49
44
40
40
44
51
57
62
73

Pressure (mb)

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

Ozone (du)

317
314
311
308
307
304
302
301
300
298
297
295
293
290
287
285
282
280
278
276
275
274
273
272

Thursday 8

Waning Crescent 2%

05:53

17:42

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:21, Set: 18:26, Transit: 12:54. Moon - Rise: 05:53, Set: 17:42. Civil Dark: 18:59 - 06:48. Nautical Dark: 19:38 - 06:09. Astro Dark: 20:17 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
78

Low Clouds (% Sky Obscured)

97
98
100
100
100
99
100
100
100
99
97
97
98
99
100
100
100
100
99
98
98
91
83
76

Medium Clouds (% Sky Obscured)

98
98
99
99
99
99
98
97
90
97
98
99
97
96
41
32
26
13
20
26
36
25
13
3

High Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
100
100
100
100
65
60
55
50
45
35
30
25
13
3
0

ISS Passover

Visibility (miles)

9
9
9
5
4
6
9
0
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8

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

Precipitation Probability (%)

61
72
94
95
95
83
41
33
28
24
19
20
40
37
22
24
24
23
31
37
44
47
47
43

Precipitation Amount (mm)

0.3
0.3
0.7
1
1.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
10
13
13
16
17
17
18
19
18
18
19
19
19
18
18
18
18
17
16
15
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
88
91
95
93
95
98
93
90
90
92
92
90
90
92
93
92
90
90
92
92
90
87

Pressure (mb)

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

Ozone (du)

271
271
271
270
269
269
269
268
267
267
266
267
268
271
272
272
272
272
272
273
274
276
278
280

Friday 9

Waning Crescent 0%

07:11

17:54

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

Sun - Rise: 07:23, Set: 18:24, Transit: 12:53. Moon - Rise: 07:11, Set: 17:54. Civil Dark: 18:57 - 06:50. Nautical Dark: 19:36 - 06:11. Astro Dark: 20:14 - 05:32

Total Clouds (% Sky Obscured)

57
38
16
19
25
28
30
32
34
32
31
27
46
67
75
77
79
82
67
55
41
36
27
19

Low Clouds (% Sky Obscured)

53
31
9
7
5
3
3
3
4
4
5
7
16
24
35
52
65
76
67
55
41
30
20
7

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
12
23
35
29
22
16
9
4
0
1
1
2

High Clouds (% Sky Obscured)

0
0
0
3
5
7
11
14
13
15
17
21
34
58
70
48
30
13
10
8
6
6
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 (%)

34
25
10
8
5
1
3
1
0
0
0
0
0
0
0
2
2
2
3
3
1
2
4
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
90
95
93
93
93
93
93
91
85
78
71
66
61
56
55
55
55
59
65
72
77
82

Pressure (mb)

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

Ozone (du)

283
284
285
287
287
288
288
289
290
291
293
295
298
298
298
297
298
299
300
301
302
303
304
306

Saturday 10

New Moon 1%

08:29

18:09

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:24, Set: 18:22, Transit: 12:53. Moon - Rise: 08:29, Set: 18:09. Civil Dark: 18:55 - 06:51. Nautical Dark: 19:33 - 06:13. Astro Dark: 20:12 - 05:34

Total Clouds (% Sky Obscured)

33
48
62
65
74
76
84
89
97
91
85
79
71
63
58
61
61
63
65
68
73

Low Clouds (% Sky Obscured)

25
43
61
56
51
45
42
42
37
33
29
28
26
27
27
31
34
38
48
58
69

Medium Clouds (% Sky Obscured)

1
1
1
2
4
6
11
15
19
18
16
13
13
17
22
15
7
0
0
1
1

High Clouds (% Sky Obscured)

5
5
4
16
25
39
47
55
70
59
48
41
37
31
13
9
7
7
11
17
24

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 (%)

3
7
4
11
9
1
1
0
0
0
0
0
2
1
0
2
2
2
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
6
8
7
8
7
8
7
6
6
6
7
7
8
14
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
84
87
90
93
93
93
93
87
80
75
66
59
51
51
49
48
52
57

Pressure (mb)

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

Ozone (du)

307
306
305
304
302
301
300
300
301
302
302
302
302
300
299
297
295
293
291
290
289

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

Generated: 04/10/26 22:37:25. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+1.00