Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 28

Waning Gibbous 93%

18:54

10:46

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:58, Set: 18:44, Transit: 12:50. Moon - Rise: 18:54, Set: 10:46. Civil Dark: 19:17 - 06:25. Nautical Dark: 19:57 - 05:45. Astro Dark: 20:38 - 05:04

Total Clouds (% Sky Obscured)

39
53
63
100
100
100
100
100
100
63
50
63
55
64
90
82
72
78
87
83
90
100
95
68

Low Clouds (% Sky Obscured)

11
6
12
9
0
0
0
34
65
63
14
29
26
48
80
58
48
62
64
75
76
82
84
43

Medium Clouds (% Sky Obscured)

39
53
63
100
88
87
60
55
55
55
5
3
12
14
25
27
34
57
38
50
48
48
84
25

High Clouds (% Sky Obscured)

39
53
63
100
100
100
100
100
100
56
50
45
35
25
0
0
0
0
47
4
1
48
3
4

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
1
1
0
0
0
0
0
3
3
0
1
9
10
34
47
22
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
5
6
6
5
5
8
7
6
6
5
6
6
6
7
7
8
8
8
10
12
14

Chance of Frost

Temperature (°C)

17
18
18
18
18
18
17
15
14
14
13
13
12
12
12
13
13
14
14
14
15
17
18
20

Feels Like (°C)

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

Dew Point (°C)

8
8
7
6
5
6
6
6
6
8
8
9
8
9
10
12
13
13
14
14
14
15
16
16

Relative Humidity (%)

56
51
46
44
43
45
49
52
58
65
69
75
77
81
86
93
96
95
98
98
96
87
85
77

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1018
1017
1017
1017
1016

Ozone (du)

301
301
302
303
304
305
305
306
305
305
306
307
308
312
315
313
308
304
302
300
298
297
296
297

Tuesday 29

Waning Gibbous 86%

19:14

No Set

12 OK
13 OK
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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:00, Set: 18:41, Transit: 12:50. Moon - Rise: 19:14, Set: No Set. Civil Dark: 19:15 - 06:26. Nautical Dark: 19:55 - 05:47. Astro Dark: 20:35 - 05:06

Total Clouds (% Sky Obscured)

28
38
100
100
98
100
95
91
86
65
100
60
62
62
100
100
100
100
100
100
100
100
86
73

Low Clouds (% Sky Obscured)

20
17
7
1
2
0
0
4
8
60
55
3
0
0
0
0
4
5
45
60
93
82
86
73

Medium Clouds (% Sky Obscured)

8
3
22
3
6
11
5
56
66
55
60
25
44
56
68
91
100
100
100
100
100
73
79
60

High Clouds (% Sky Obscured)

3
25
100
100
98
100
89
77
79
52
93
52
53
62
97
100
100
100
100
50
100
100
54
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
9
7
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
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
36
67
90
90
53
66
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.6
0
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
22
22
22
21
21
20
19
19
18
18
18
17
17
17
17
17
17
17
18
17
17
17
18

Dew Point (°C)

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

Relative Humidity (%)

67
60
59
59
60
63
69
78
84
78
75
71
75
77
78
76
72
70
75
85
91
89
84
82

Pressure (mb)

1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1009
1009
1009
1010
1010
1011

Ozone (du)

298
296
293
291
288
287
284
282
281
279
278
277
277
276
275
274
275
275
275
277
277
276
276
278

Wednesday 30

Waning Gibbous 77%

19:42

12:15

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

Sun - Rise: 07:02, Set: 18:39, Transit: 12:50. Moon - Rise: 19:42, Set: 12:15. Civil Dark: 19:13 - 06:28. Nautical Dark: 19:52 - 05:49. Astro Dark: 20:33 - 05:08

Total Clouds (% Sky Obscured)

65
32
68
23
38
35
47
6
0
10
41
53
43
38
82
71
63
81
77
80
37
28
21
19

Low Clouds (% Sky Obscured)

65
19
17
13
22
16
2
0
0
0
0
9
20
22
32
54
63
81
77
77
33
28
21
19

Medium Clouds (% Sky Obscured)

49
9
68
2
16
3
47
4
0
6
26
31
23
21
10
62
60
21
42
60
6
0
0
0

High Clouds (% Sky Obscured)

30
2
10
2
1
9
35
2
0
0
0
2
2
2
40
30
25
2
0
25
0
0
0
0

ISS Passover

Visibility (miles)

7
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 (%)

33
4
0
0
0
0
0
0
0
0
1
0
0
1
0
1
5
18
3
0
0
0
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
0
0
0

Wind Speed/Direction (mph)

15
15
15
14
15
14
13
10
8
8
7
7
7
7
7
7
7
7
8
7
8
10
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
21
20
20
19
18
16
16
15
15
15
15
14
14
13
13
12
12
13
13
15
16
16

Dew Point (°C)

19
15
13
13
10
9
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
10
9
8

Relative Humidity (%)

85
60
52
54
41
43
48
55
63
66
68
70
75
79
79
83
83
79
79
80
80
72
62
53

Pressure (mb)

1011
1012
1012
1012
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1021
1021
1022

Ozone (du)

281
281
282
284
283
284
284
286
288
289
289
288
289
291
293
296
298
300
303
301
304
306
308
307

Thursday 1

Waning Gibbous 66%

20:24

13:39

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

Sun - Rise: 07:03, Set: 18:37, Transit: 12:49. Moon - Rise: 20:24, Set: 13:39. Civil Dark: 19:10 - 06:30. Nautical Dark: 19:50 - 05:50. Astro Dark: 20:30 - 05:10

Total Clouds (% Sky Obscured)

18
15
13
27
69
12
12
61
62
55
67
38
55
66
75
42
37
39
42
48
48
84
63
58

Low Clouds (% Sky Obscured)

18
15
13
20
16
8
0
0
0
0
0
0
0
0
0
0
7
12
17
11
6
0
15
30

Medium Clouds (% Sky Obscured)

0
0
0
0
2
4
0
0
0
0
13
27
40
35
26
18
12
6
0
0
0
0
5
10

High Clouds (% Sky Obscured)

0
0
0
12
55
3
9
56
58
55
67
38
50
58
64
25
20
20
26
38
41
82
53
32

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
44
41
41
39
41
47
53
55
59
61
64
67
70
72
73
76
77
77
76
76
67
60
56

Pressure (mb)

1022
1023
1023
1023
1024
1024
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1030
1029

Ozone (du)

309
307
303
302
302
303
302
301
301
301
301
302
302
298
297
297
297
296
297
296
297
297
297
297

Friday 2

Waning Gibbous 54%

21:24

14:50

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:05, Set: 18:34, Transit: 12:49. Moon - Rise: 21:24, Set: 14:50. Civil Dark: 19:08 - 06:31. Nautical Dark: 19:47 - 05:52. Astro Dark: 20:28 - 05:12

Total Clouds (% Sky Obscured)

54
93
92
91
92
91
91
85
76
64
49
50
54
63
70
81
87
95
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

45
37
21
15
14
17
22
18
13
9
7
4
0
12
23
35
41
51
62
46
40
42
26
22

Medium Clouds (% Sky Obscured)

14
15
17
20
23
22
20
14
7
0
0
0
0
0
0
0
0
0
0
2
4
4
8
13

High Clouds (% Sky Obscured)

20
67
69
75
75
75
75
65
43
42
33
44
53
46
47
53
77
92
100
100
100
100
99
99

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
1
0
6
13
1
1
1
2
3
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)

12
14
13
12
12
9
7
6
6
6
5
5
5
4
4
3
3
3
3
3
4
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
9
10
10
9
9
9
9
9
9
9
9
9
9
9
10
10
9
10
10

Relative Humidity (%)

53
49
46
46
46
48
54
59
61
64
67
68
71
75
77
81
84
86
87
90
84
76
71
67

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1030

Ozone (du)

297
297
297
298
298
298
298
297
296
295
294
295
295
295
295
295
295
295
295
294
295
295
296
296

Saturday 3

Third Quarter 42%

22:42

15:41

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:07, Set: 18:32, Transit: 12:49. Moon - Rise: 22:42, Set: 15:41. Civil Dark: 19:06 - 06:33. Nautical Dark: 19:45 - 05:54. Astro Dark: 20:25 - 05:14

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
89
77
62
71
75
93
96
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
25
24
24
26
30
33
49
64
62
71
75
87
85
82
80
80
75
80
77
77
77
78
79

Medium Clouds (% Sky Obscured)

18
19
20
22
25
23
22
18
10
2
14
26
39
31
21
13
8
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

99
99
100
100
100
100
100
67
34
1
1
2
2
30
54
71
83
87
91
92
93
100
98
96

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
1
0
1
1
0
1
1
0
1
2
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
57
55
54
52
55
57
61
61
62
62
63
64
66
67
68
68
68
68
68
66
63
61
57

Pressure (mb)

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

Ozone (du)

297
297
298
299
300
302
305
308
307
305
304
303
303
302
301
300
300
298
297
296
294
293
292
292

Sunday 4

Waning Crescent 31%

00:08

16:16

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
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

Sun - Rise: 07:08, Set: 18:30, Transit: 12:48. Moon - Rise: 00:08, Set: 16:16. Civil Dark: 19:04 - 06:35. Nautical Dark: 19:43 - 05:55. Astro Dark: 20:23 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
74
51
35
36
38
67
85
91
96
95
92
89
80
71
62

Low Clouds (% Sky Obscured)

82
68
56
42
35
30
24
19
16
12
17
21
23
16
10
6
8
10
11

Medium Clouds (% Sky Obscured)

0
1
1
4
6
8
10
9
8
9
11
7
4
3
1
0
0
0
0

High Clouds (% Sky Obscured)

94
96
97
98
69
39
24
27
26
30
31
32
38
44
51
44
31
23
19

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
0
0
2
0
2
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
20
19
19
19
19
19
17
18
18
17
18
17
14
13
13
13
13

Dew Point (°C)

10
10
10
9
8
8
8
9
8
8
8
9
9
9
9
9
9
9
9

Relative Humidity (%)

55
52
50
47
45
49
52
57
58
60
61
64
67
70
73
74
76
77
77

Pressure (mb)

1029
1029
1029
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

292
292
292
292
292
291
291
290
290
289
289
287
286
284
283
282
281
281
280

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 28/09/26 12:16:22. Forecast: 28/09/26 to 04/10/26. Timezone: UTC+1.00