Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

Waning Crescent 16%

04:07

16:53

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

Sun - Rise: 07:35, Set: 18:08, Transit: 12:52. Moon - Rise: 04:07, Set: 16:53. Civil Dark: 18:42 - 07:02. Nautical Dark: 19:21 - 06:23. Astro Dark: 19:59 - 05:44

Total Clouds (% Sky Obscured)

96
95
92
89
47
46
50
45
49
48
45
52
66
59
40
43
58
59
55
71
74
96
100
100

Low Clouds (% Sky Obscured)

89
87
77
68
47
46
47
45
49
48
45
52
66
59
40
42
58
59
55
71
70
59
59
44

Medium 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
0

High Clouds (% Sky Obscured)

2
51
52
42
28
35
36
28
3
3
2
3
35
15
28
25
5
16
35
12
30
37
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
2
99
98
98
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)

3
3
3
3
3
4
5
6
7
6
6
6
6
5
5
4
4
5
6
6
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
73
73
72
69
63
57
52
51
50
51
51
57
65
68
71
73
77
80
82
85
90
90

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

276
276
276
276
276
277
277
279
280
281
280
279
280
280
281
285
285
283
282
281
280
281
283
285

Saturday 18

Waning Crescent 9%

04:07

17:03

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

Sun - Rise: 07:37, Set: 18:06, Transit: 12:52. Moon - Rise: 04:07, Set: 17:03. Civil Dark: 18:40 - 07:03. Nautical Dark: 19:19 - 06:25. Astro Dark: 19:57 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
54
73
65
68
61
59
54
65
67
60
62
64
40
38
42
38
45
35
36
38
41
44
43

Medium Clouds (% Sky Obscured)

0
0
0
33
47
100
43
100
99
100
100
93
100
93
91
90
93
87
97
96
100
100
100
96

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
95
100
100
77
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
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
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
90
87
81
77
76
73
68
61
62
64
66
71
75
75
73
69
68
70
71
71
71

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1021
1020
1020
1019
1019
1019
1018
1017
1016
1015
1014
1013
1012

Ozone (du)

285
283
282
280
279
278
276
276
274
275
275
274
275
274
274
274
273
273
274
276
277
276
276
276

Sunday 19

Waning Crescent 4%

05:20

17:13

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

Sun - Rise: 07:39, Set: 18:04, Transit: 12:51. Moon - Rise: 05:20, Set: 17:13. Civil Dark: 18:38 - 07:05. Nautical Dark: 19:17 - 06:26. Astro Dark: 19:55 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
100
100
99
90
96
93
88
59
33
58
74
70
89

Low Clouds (% Sky Obscured)

44
51
54
56
56
61
79
70
80
90
95
100
100
97
86
96
82
77
47
29
40
52
49
70

Medium Clouds (% Sky Obscured)

100
97
100
100
100
95
100
98
100
100
100
100
94
93
80
78
13
0
0
0
16
10
4
0

High Clouds (% Sky Obscured)

100
100
100
100
100
80
100
100
100
100
100
100
100
20
15
15
15
15
0
0
0
28
53
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
4
2
2
5
2
0
2
1
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
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
11
58
58
74
95
95
95
95
95
95
95
95
31
28
25
9
1
1
9
30
6

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
1.3
0.5
1.2
0.9
2
1.7
4.2
0.7
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
73
72
79
80
84
93
96
95
95
96
96
96
96
95
93
93
95
96
95
95
96

Pressure (mb)

1011
1010
1009
1008
1007
1006
1005
1004
1003
1001
1000
998
997
996
996
996
995
995
995
995
995
995
995
994

Ozone (du)

278
277
277
277
277
277
276
274
275
277
278
284
285
290
290
289
290
292
293
295
298
299
300
304

Monday 20

Waning Crescent 1%

06:32

17:23

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

Sun - Rise: 07:41, Set: 18:02, Transit: 12:51. Moon - Rise: 06:32, Set: 17:23. Civil Dark: 18:36 - 07:07. Nautical Dark: 19:15 - 06:28. Astro Dark: 19:53 - 05:49

Total Clouds (% Sky Obscured)

82
96
94
96
97
97
98
99
100
91
84
78
79
43
76
67
68
66
72
86
100
96
92
88

Low Clouds (% Sky Obscured)

68
61
66
67
66
63
63
64
66
64
63
55
48
43
41
60
68
66
70
81
94
91
84
78

Medium Clouds (% Sky Obscured)

6
29
75
70
87
91
77
67
11
55
8
60
45
3
27
4
0
2
22
44
66
85
89
86

High Clouds (% Sky Obscured)

57
40
15
26
42
58
72
86
100
70
37
5
5
1
15
2
0
1
1
1
13
10
9
5

ISS Passover

Visibility (miles)

9
9
9
9
9
2
7
4
9
5
5
6
5
8
7
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
3
4
25
85
95
86
81
79
80
66
70
47
39
25
20
9
5
33
46
56
53
49
51

Precipitation Amount (mm)

0
0
0
0
0.6
1.1
0.7
0.5
0.5
0.5
0.2
0.2
0
0
0
0
0
0
0
0.2
0.4
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
10
11
11
11
11
11
11
11
11
10
10
10
9
9
9
10
10
10
10
10

Relative Humidity (%)

96
96
95
96
95
93
92
92
90
84
87
84
89
87
90
91
90
87
90
93
91
93
90
93

Pressure (mb)

993
993
992
992
991
991
990
990
989
988
988
988
988
988
989
990
990
990
991
991
991
991
991
991

Ozone (du)

305
306
304
303
300
301
305
304
306
308
307
307
311
311
308
307
306
303
302
297
297
298
295
291

Tuesday 21

New Moon 0%

07:44

17:34

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

Sun - Rise: 07:42, Set: 18:00, Transit: 12:51. Moon - Rise: 07:44, Set: 17:34. Civil Dark: 18:34 - 07:08. Nautical Dark: 19:13 - 06:29. Astro Dark: 19:52 - 05:51

Total Clouds (% Sky Obscured)

89
89
91
90
89
89
87
86
86
79
71
63
60
62
62
72
70
74
86
88
87
89
92
95

Low Clouds (% Sky Obscured)

82
80
80
81
83
83
78
72
68
65
63
61
60
60
60
68
70
74
78
77
77
81
86
86

Medium Clouds (% Sky Obscured)

85
79
81
74
72
66
59
56
55
27
13
2
0
0
0
1
2
3
4
8
12
15
14
10

High Clouds (% Sky Obscured)

10
15
15
14
13
29
2
1
1
2
2
0
0
2
18
32
9
0
0
0
0
1
3
6

ISS Passover

Visibility (miles)

6
6
9
9
9
9
8
9
8
8
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

Very Light Rain
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 (%)

55
45
29
28
21
35
27
32
35
27
27
22
21
9
0
8
7
3
6
5
2
3
2
0

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
8
9
9
9
9
9
8
9
8
7
7
7
7
7
7
7
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

95
98
96
93
93
93
96
93
87
83
87
90
89
89
87
90
90
91
91
93
93
95
93
93

Pressure (mb)

992
992
992
992
993
993
994
994
995
995
996
996
997
998
999
999
996
996
997
997
997
998
998
998

Ozone (du)

289
290
293
294
294
295
296
297
300
300
301
299
299
296
293
294
295
296
298
297
296
295
295
294

Wednesday 22

Waxing Crescent 1%

08:57

17:49

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

Sun - Rise: 07:44, Set: 17:58, Transit: 12:51. Moon - Rise: 08:57, Set: 17:49. Civil Dark: 18:32 - 07:10. Nautical Dark: 19:11 - 06:31. Astro Dark: 19:50 - 05:52

Total Clouds (% Sky Obscured)

93
90
88
80
71
63
74
86
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
86
83
70
56
42
36
36
39
50
60
69
62
55
50
66
79
95
95
95
95
97
98
100

Medium Clouds (% Sky Obscured)

9
7
5
18
35
50
63
75
88
87
88
87
94
96
99
73
43
15
16
16
17
24
27
30

High Clouds (% Sky Obscured)

12
30
35
34
32
34
54
73
93
96
98
100
100
100
100
73
47
21
41
56
75
83
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
5
6
7
5
3
0
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
2
1
3
3
1
18
32
45
64
72
76
84
88
78
71
65
61
53
49
46
44
42
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
91
91
90
88
88
88
90
92
93
95
95
96
96
96
96
95
93
95
95
93
93
93

Pressure (mb)

998
999
999
999
999
1000
1000
1000
999
999
998
997
996
996
996
995
995
995
995
995
995
994
994
994

Ozone (du)

293
292
291
290
289
287
286
286
286
287
287
287
288
291
293
296
295
295
294
294
295
295
295
294

Thursday 23

Waxing Crescent 4%

10:11

18:07

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:46, Set: 17:56, Transit: 12:51. Moon - Rise: 10:11, Set: 18:07. Civil Dark: 18:30 - 07:12. Nautical Dark: 19:09 - 06:33. Astro Dark: 19:48 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
97
98
100
85
70
55
44
32
22
26
32
42
60
79
97

Low Clouds (% Sky Obscured)

88
76
64
68
70
71
73
74
75
68
62
54
44
32
22
26
25
31
52
71
89

Medium Clouds (% Sky Obscured)

42
54
66
58
49
43
55
63
71
48
26
3
3
3
3
20
32
42
38
33
24

High Clouds (% Sky Obscured)

100
99
98
94
89
85
90
95
100
67
33
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
5
4
6
7
9
7
5
3
5
7
9
9
9
9
7
5
3
5
7

Fog (%)

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

Precipitation Probability (%)

61
84
95
95
84
47
78
93
95
82
59
34
32
30
24
23
22
31
45
46
42

Precipitation Amount (mm)

0.2
0.5
1.4
1.3
0.6
0
0.5
0.6
0.8
0.4
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

9
8
7
9
10
11
12
14
15
16
17
18
19
17
16
14
15
16
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
95
93
90
89
89
90
92
89
86
83
86
89
92
93
95
96
92
88

Pressure (mb)

994
994
994
994
994
994
994
994
994
994
993
993
993
993
993
993
994
994
994
995
997

Ozone (du)

293
292
292
292
292
292
292
295
297
300
300
300
300
300
301
301
300
299
299
297
296

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 17/10/25 04:26:33. Forecast: 17/10/25 to 23/10/25. Timezone: UTC+1.00