Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 1

Waning Gibbous 66%

20:37

13:41

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

Sun - Rise: 07:10, Set: 18:44, Transit: 12:56. Moon - Rise: 20:37, Set: 13:41. Civil Dark: 19:17 - 06:37. Nautical Dark: 19:56 - 05:58. Astro Dark: 20:35 - 05:18

Total Clouds (% Sky Obscured)

22
22
22
26
29
18
19
18
28
67
32
52
50
48
61
76
69
33
64
35
42
32
58
72

Low Clouds (% Sky Obscured)

18
17
17
17
18
12
14
9
17
12
8
0
0
0
0
1
12
16
17
17
19
18
18
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
7
7
0
0
0
3
3
3
3
5
8
3
54
5
3
0
6
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
50
20
52
50
48
61
74
56
7
3
9
15
11
35
49

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
82
75
66
57
48
44
43
43
46
55
64
69
73
76
80
79
81
88
88
93
95
93
93

Pressure (mb)

1019
1020
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029

Ozone (du)

319
318
309
309
310
310
312
310
308
307
306
306
305
306
304
304
304
304
305
306
305
305
305
305

Friday 2

Waning Gibbous 54%

21:38

14:51

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:11, Set: 18:42, Transit: 12:56. Moon - Rise: 21:38, Set: 14:51. Civil Dark: 19:15 - 06:38. Nautical Dark: 19:53 - 06:00. Astro Dark: 20:33 - 05:20

Total Clouds (% Sky Obscured)

73
71
86
76
68
70
68
69
65
62
56
50
53
66
76
79
85
83
91
86
84
56
58
59

Low Clouds (% Sky Obscured)

13
17
35
30
16
18
15
14
17
9
2
3
5
17
28
28
28
21
17
21
18
21
25
25

Medium Clouds (% Sky Obscured)

8
8
12
0
0
0
0
0
0
3
7
31
3
4
3
6
13
10
16
19
20
25
27
25

High Clouds (% Sky Obscured)

49
50
55
60
60
60
60
60
60
60
56
50
53
55
60
60
61
59
75
52
47
8
3
3

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
13

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)

7
8
11
13
13
14
14
14
14
13
11
9
8
8
7
7
8
8
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
84
77
66
58
53
50
48
53
58
65
74
78
83
86
89
92
93
93
93
95
93
95
95

Pressure (mb)

1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1028

Ozone (du)

304
303
301
301
300
300
300
300
301
300
300
300
300
299
299
299
299
300
300
300
300
300
300
301

Saturday 3

Third Quarter 42%

22:54

15:43

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

Sun - Rise: 07:13, Set: 18:39, Transit: 12:55. Moon - Rise: 22:54, Set: 15:43. Civil Dark: 19:12 - 06:40. Nautical Dark: 19:51 - 06:01. Astro Dark: 20:31 - 05:22

Total Clouds (% Sky Obscured)

62
65
65
80
96
100
94
45
35
48
33
28
25
19
3
0
0
0
0
3
6
7
33
29

Low Clouds (% Sky Obscured)

39
32
43
69
89
97
77
31
26
28
27
24
20
16
2
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

28
22
29
30
30
25
21
8
0
8
4
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
5
5
3
2
16
6
0
2
2
0
0
5
0
0
0
0
0
0
3
6
5
29
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
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
32
41
62
71
23
7
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.5
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
8
9
9
9
8
7
6
7
6
5
3
3
2
2
3
3
3
2
2
1
2
1
1

Chance of Frost

Temperature (°C)

13
14
15
16
16
16
17
18
18
18
16
14
13
12
11
11
10
10
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
86
75
68
68
67
62
51
43
45
55
61
64
67
71
73
77
76
78
78
77
78
78
81

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

303
305
305
307
309
309
308
307
306
307
309
309
308
308
308
307
306
305
304
302
302
300
298
297

Sunday 4

Waning Crescent 40%

00:20

16:19

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 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:15, Set: 18:37, Transit: 12:55. Moon - Rise: 00:20, Set: 16:19. Civil Dark: 19:10 - 06:41. Nautical Dark: 19:49 - 06:03. Astro Dark: 20:28 - 05:24

Total Clouds (% Sky Obscured)

75
82
88
94
100
100
100
100
100
100
100
100
100
100
91
84
62
28
46
31
67
78
86
68

Low Clouds (% Sky Obscured)

0
0
6
12
18
21
21
24
16
8
0
0
0
0
1
2
3
2
1
0
9
20
26
23

Medium Clouds (% Sky Obscured)

1
1
1
4
44
55
75
75
75
54
42
54
26
38
68
69
4
4
45
4
4
3
3
3

High Clouds (% Sky Obscured)

66
72
83
93
100
100
100
100
100
100
99
100
100
100
87
71
55
20
10
26
67
67
71
55

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
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)

1
1
2
3
5
6
6
7
7
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
67
61
56
51
45
39
36
34
39
47
50
54
58
58
57
63
72
78
83
87
87
88
88

Pressure (mb)

1030
1030
1030
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026

Ozone (du)

295
293
291
289
289
287
286
286
284
283
283
281
281
280
280
278
277
276
276
275
274
272
272
272

Monday 5

Waning Crescent 31%

01:47

16:44

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

Sun - Rise: 07:16, Set: 18:35, Transit: 12:55. Moon - Rise: 01:47, Set: 16:44. Civil Dark: 19:08 - 06:43. Nautical Dark: 19:47 - 06:04. Astro Dark: 20:26 - 05:25

Total Clouds (% Sky Obscured)

53
47
36
33
30
31
30
33
25
13
8
15
22
28
32
36
39
44
50
51
60
69
76
61

Low Clouds (% Sky Obscured)

19
16
18
19
21
20
21
28
21
8
4
1
1
2
2
2
2
5
12
17
18
19
25
19

Medium Clouds (% Sky Obscured)

3
3
6
3
3
3
3
3
3
4
4
3
2
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
32
16
10
6
4
1
0
0
0
4
14
20
26
29
33
39
38
37
40
39
32
21
25

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
1
1
0
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)

5
6
7
8
9
10
10
10
10
9
7
5
5
5
5
5
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
75
71
68
62
58
58
59
59
62
73
86
87
92
93
93
93
95
93
93
92
92
92
91

Pressure (mb)

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

Ozone (du)

272
271
270
269
268
267
267
267
266
266
265
265
266
267
267
268
269
270
270
271
271
273
275
277

Tuesday 6

Waning Crescent 20%

03:12

17:02

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:18, Set: 18:33, Transit: 12:54. Moon - Rise: 03:12, Set: 17:02. Civil Dark: 19:06 - 06:45. Nautical Dark: 19:44 - 06:06. Astro Dark: 20:23 - 05:27

Total Clouds (% Sky Obscured)

46
34
37
39
37
55
78
100
100
100
100
98
96
94
94
94
94
96
98
99
98
98
97
85

Low Clouds (% Sky Obscured)

19
22
20
14
12
25
39
53
64
75
83
87
90
91
91
90
89
91
93
93
87
80
75
62

Medium Clouds (% Sky Obscured)

0
0
6
12
21
35
48
58
60
64
66
63
64
62
62
62
62
61
60
59
68
75
83
63

High Clouds (% Sky Obscured)

32
34
26
13
1
31
62
92
96
98
100
77
52
28
39
60
75
83
87
91
62
33
3
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
7
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

2
0
1
2
1
4
6
10
13
14
6
20
23
23
27
30
30
52
60
58
54
46
30
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
8
8
8
9
7
7
8
7
7
7
7
7
6
6
6
5
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

12
13
14
16
17
19
19
18
18
17
15
14
13
13
13
13
12
12
12
12
12
11
10
9

Feels Like (°C)

10
11
11
12
12
13
19
19
18
18
17
17
10
11
11
11
10
10
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

84
79
73
67
63
59
62
65
69
69
72
74
76
77
79
76
76
73
76
77
80
81
82
82

Pressure (mb)

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

Ozone (du)

278
279
280
281
283
285
286
287
288
289
290
291
293
295
297
296
294
293
298
302
307
313
319
325

Wednesday 7

Waning Crescent 12%

04:34

17:17

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

Sun - Rise: 07:19, Set: 18:30, Transit: 12:54. Moon - Rise: 04:34, Set: 17:17. Civil Dark: 19:04 - 06:46. Nautical Dark: 19:42 - 06:08. Astro Dark: 20:21 - 05:29

Total Clouds (% Sky Obscured)

72
60
74
83
92
95
97
100
99
99
99
90
82
76
67
60
58

Low Clouds (% Sky Obscured)

48
34
34
34
33
35
37
43
50
56
58
48
36
24
18
10
2

Medium Clouds (% Sky Obscured)

43
22
19
14
15
28
36
44
63
80
96
87
75
65
59
53
47

High Clouds (% Sky Obscured)

28
40
55
71
91
95
97
99
74
53
35
49
59
58
67
60
58

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

16
7
31
44
54
60
60
55
38
21
3
2
1
0
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
4
4
3
2
1
2
2
2
3
4
5
5
5

Relative Humidity (%)

77
71
67
61
56
50
48
46
43
46
48
51
57
65
73
77
81

Pressure (mb)

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

Ozone (du)

323
321
319
318
317
316
316
316
317
318
319
320
322
324
325
324
323

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

Generated: 01/10/26 08:00:56. Forecast: 01/10/26 to 07/10/26. Timezone: UTC+1.00