Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Crescent 25%

12:13

20:06

21 Bad
22 Bad
23 Bad
00 Bad
01 Good
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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:38, Set: 15:55, Transit: 11:47. Moon - Rise: 12:13, Set: 20:06. Civil Dark: 16:34 - 06:59. Nautical Dark: 17:17 - 06:17. Astro Dark: 17:58 - 05:36

Total Clouds (% Sky Obscured)

48
56
63
52
0
29
33
59
60
71
80
57
62
61
61
82
82
70
70
69
65
69
68
67

Low Clouds (% Sky Obscured)

48
56
54
52
0
29
33
59
60
71
69
57
54
54
56
82
82
70
70
69
65
69
68
67

Medium Clouds (% Sky Obscured)

0
12
2
11
0
2
3
3
4
4
5
0
8
6
2
2
3
3
3
2
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
1
2
1
0
0
0
0
0
0
0
0
0
0
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
9
2
3
0
0
0
0
1
2
1
1
0
1
2
5
13
5
3
3
2
5
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-1
-1
-2
-1
-1
-1
-0
-0
-1
-1
0
1
2
3
3
3
2
2
1
1
1

Dew Point (°C)

2
2
1
1
1
-0
0
1
1
2
3
2
2
2
3
3
4
4
3
3
3
2
2
2

Relative Humidity (%)

79
76
72
72
72
72
79
83
85
91
94
91
86
82
82
82
82
81
79
81
85
85
86
88

Pressure (mb)

1001
1002
1003
1004
1005
1006
1007
1008
1009
1009
1010
1012
1013
1013
1014
1014
1014
1015
1016
1016
1017
1018
1018
1019

Ozone (du)

298
294
289
291
292
295
290
292
294
296
298
296
302
301
299
301
303
303
299
298
298
296
294
293

Tuesday 25

Waxing Crescent 34%

12:32

No Set

21 Bad
22 Bad
23 OK
00 OK
01 OK
02 Good
03 Good
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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:40, Set: 15:55, Transit: 11:47. Moon - Rise: 12:32, Set: No Set. Civil Dark: 16:34 - 07:01. Nautical Dark: 17:16 - 06:18. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

68
53
36
33
26
1
1
12
14
37
92
99
100
100
98
100
100
100
89
76
84
73
100
88

Low Clouds (% Sky Obscured)

68
53
36
33
26
0
0
12
14
7
0
5
0
0
0
0
0
0
0
0
8
56
59
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
24
97
94
91
98
100
89
76
84
73
56
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
20
59
89
100
100
94
100
100
79
30
26
25
27
100
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
0
-1
-0
-1
-1
-1
-1
-2
-2
-2
-1
0
1
2
2
2
0
-1
0
0
0

Dew Point (°C)

2
2
2
2
1
1
0
-1
-1
-1
-1
-2
-1
-1
0
1
1
2
2
2
1
1
1
1

Relative Humidity (%)

88
89
89
93
93
93
93
91
91
91
91
89
86
81
79
76
76
79
82
85
83
80
82
82

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

295
297
295
290
288
287
286
288
288
288
288
287
286
286
285
284
284
286
287
285
282
280
276
274

Wednesday 26

Waxing Crescent 44%

12:47

21:25

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:41, Set: 15:54, Transit: 11:48. Moon - Rise: 12:47, Set: 21:25. Civil Dark: 16:33 - 07:02. Nautical Dark: 17:16 - 06:19. Astro Dark: 17:56 - 05:39

Total Clouds (% Sky Obscured)

89
99
100
100
100
100
100
96
94
100
100
98
98
99
100
99
100
99
100
100
100
98
95
92

Low Clouds (% Sky Obscured)

85
98
100
100
100
100
100
71
79
94
82
93
74
84
88
84
87
84
98
93
89
82
72
66

Medium Clouds (% Sky Obscured)

55
67
75
70
64
63
39
21
5
19
29
38
65
78
99
69
44
22
24
84
95
94
88
85

High Clouds (% Sky Obscured)

19
3
12
66
100
100
100
84
82
100
100
56
82
90
46
78
77
57
98
100
100
87
71
57

ISS Passover

Visibility (miles)

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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
20
11
16
12
19
27
6
3
0
0
0
0
0
5
26
29
4
2
2
8
74
76
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
2
3
3
4
4
3
4
4
5
6
6
7
8
8
8
8
8
8
9
9

Dew Point (°C)

2
2
3
4
5
6
6
7
7
7
7
8
8
9
9
10
11
11
11
11
11
11
12
11

Relative Humidity (%)

85
80
82
83
87
91
91
93
91
90
91
93
93
93
91
96
95
96
95
96
96
96
96
93

Pressure (mb)

1019
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

273
273
273
273
272
269
268
268
267
266
265
265
265
265
263
263
261
260
259
260
263
264
262
261

Thursday 27

Waxing Crescent 55%

12:59

22:45

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

Sun - Rise: 07:43, Set: 15:53, Transit: 11:48. Moon - Rise: 12:59, Set: 22:45. Civil Dark: 16:32 - 07:04. Nautical Dark: 17:15 - 06:21. Astro Dark: 17:56 - 05:40

Total Clouds (% Sky Obscured)

95
96
98
98
98
98
77
56
40
40
24
43
19
12
2
25
48
70
57
38
23
34
44
51

Low Clouds (% Sky Obscured)

72
75
65
45
38
30
20
11
0
0
0
0
0
0
0
9
19
28
26
23
20
13
8
2

Medium Clouds (% Sky Obscured)

87
40
42
44
48
49
32
16
0
0
0
0
0
0
0
12
26
43
26
13
0
4
10
14

High Clouds (% Sky Obscured)

59
72
81
81
83
86
61
38
20
15
10
17
5
3
0
25
48
70
56
31
11
22
31
42

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 (%)

26
9
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
11
11
10
9
9
8
8
7
7
7
8
9
10
12
13
14
14
14
14
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
93
90
91
93
93
93
93
91
91
90
87
80
77
74
74
74
78
80
85
88
90

Pressure (mb)

1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

259
259
261
264
267
271
269
269
271
271
271
274
276
276
279
279
279
283
284
286
287
288
289
289

Friday 28

First Quarter 66%

13:10

00:05

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:44, Set: 15:52, Transit: 11:48. Moon - Rise: 13:10, Set: 00:05. Civil Dark: 16:32 - 07:05. Nautical Dark: 17:15 - 06:22. Astro Dark: 17:55 - 05:41

Total Clouds (% Sky Obscured)

64
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
43
62
69
74
83
88
85
88
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

21
33
92
100
100
100
100
100
100
100
100
100
72
88
100
97
95
93
97
97
100
100
100
100

High Clouds (% Sky Obscured)

57
86
100
70
62
59
58
61
67
78
90
75
92
88
100
97
94
93
96
98
96
94
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

1
3
3
17
26
34
38
42
43
62
82
95
95
95
95
95
95
95
95
88
61
49
48
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
0.9
1.2
2
2
1.4
0.8
0.8
0.5
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
14
14
14
14
13
12
12
12
12
13
12
9
9
8
7
6
3
7
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
87
85
85
84
84
84
84
82
82
84
85
90
93
91
91
90
90
90
91
90
90

Pressure (mb)

1012
1011
1011
1010
1009
1009
1008
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1002
1002
1003
1003
1004
1004

Ozone (du)

291
292
293
293
293
293
294
296
297
299
302
303
305
308
307
310
312
314
316
321
326
331
332
334

Saturday 29

Waxing Gibbous 77%

13:21

01:28

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:46, Set: 15:51, Transit: 11:49. Moon - Rise: 13:21, Set: 01:28. Civil Dark: 16:31 - 07:06. Nautical Dark: 17:14 - 06:23. Astro Dark: 17:55 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
96
91
95
90
86
91
95
94
94
95
97
98
94
86
49
40
38
40
68
86
98

Low Clouds (% Sky Obscured)

99
88
87
88
89
85
76
77
78
82
88
89
88
87
87
86
85
49
40
38
40
68
86
98

Medium Clouds (% Sky Obscured)

90
74
58
54
43
45
55
60
55
42
13
12
13
14
15
29
37
40
39
38
40
42
34
39

High Clouds (% Sky Obscured)

87
72
58
41
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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

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

Precipitation Probability (%)

62
72
85
77
81
86
79
78
82
83
88
93
93
95
93
78
61
48
51
42
24
34
28
15

Precipitation Amount (mm)

0.3
0.4
0.7
0.5
0.5
0.6
0.5
0.5
0.6
0.5
0.6
0.7
0.7
0.7
0.6
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
3
3
3
3
3
3
3
3
3
4
5
5
5
5
5
5
5
5
4
4

Relative Humidity (%)

88
88
88
89
89
89
91
91
91
91
89
88
86
86
85
82
85
88
90
90
91
91
87
85

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1011
1012
1012
1013
1013

Ozone (du)

336
338
340
343
343
343
343
341
339
337
337
336
335
337
339
342
339
336
334
328
323
318
316
314

Sunday 30

Waxing Gibbous 86%

13:34

02:53

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

Sun - Rise: 07:47, Set: 15:51, Transit: 11:49. Moon - Rise: 13:34, Set: 02:53. Civil Dark: 16:31 - 07:07. Nautical Dark: 17:14 - 06:24. Astro Dark: 17:54 - 05:44

Total Clouds (% Sky Obscured)

97
94
92
88
85
81
65
50
34
58
79
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
94
92
88
80
70
48
26
4
2
1
0
4
7
10
40
68
100
100
100
100

Medium Clouds (% Sky Obscured)

50
62
60
41
41
26
34
44
34
58
74
81
91
95
100
96
92
88
85
86
88

High Clouds (% Sky Obscured)

19
30
33
40
45
47
50
50
34
58
79
100
100
99
99
83
62
33
38
46
56

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 (%)

24
33
37
24
31
26
15
10
2
1
0
0
6
14
24
37
45
47
43
42
39

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)

12
11
10
10
9
8
8
7
7
8
8
8
8
9
10
11
12
13
14
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
6
3
2
1
1
-0
-1
-1
-1
-2
-1
-1
-1
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

81
82
85
88
88
89
91
91
91
91
91
89
88
86
85
82
84
85
88
88
88

Pressure (mb)

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

Ozone (du)

312
309
306
303
301
300
298
295
291
287
284
280
277
274
272
269
268
267
266
268
269

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

Generated: 24/11/25 21:35:08. Forecast: 24/11/25 to 30/11/25. Timezone: UTC+0.00