Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 3%

05:41

14:47

21 Good
22 Good
23 OK
00 OK
01 Good
02 Good
03 Good
04 Bad
05 Bad
06 Bad
07 OK
08 OK
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: 07:27, Set: 16:03, Transit: 11:45. Moon - Rise: 05:41, Set: 14:47. Civil Dark: 16:41 - 06:49. Nautical Dark: 17:23 - 06:07. Astro Dark: 18:03 - 05:27

Total Clouds (% Sky Obscured)

1
7
14
19
0
0
0
75
87
84
19
32
59
48
80
94
100
95
93
95
91
88
86
91

Low Clouds (% Sky Obscured)

1
7
14
19
0
0
0
61
73
47
0
0
26
30
26
77
98
57
45
58
52
41
39
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
25
25
17
5
10
15
12
66
94
100
81
91
73
63
60
80
87

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
3
3
0
0
0
0
0
8
34
60
47
17
30
25
14
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
6
7
7
7
7
8
8
8
9
11
11
11
11
11
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
89
88
88
88
88
88
88
88
88
84
89
85
78
74
75
76
80
80
80
85
85

Pressure (mb)

1026
1025
1025
1025
1024
1024
1023
1022
1021
1021
1020
1020
1019
1019
1018
1016
1015
1014
1013
1012
1011
1010
1010
1009

Ozone (du)

264
273
277
281
277
275
276
283
288
283
282
282
278
272
270
271
276
279
280
287
285
287
293
295

Tuesday 18

Waning Crescent 1%

06:55

15:03

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

Sun - Rise: 07:29, Set: 16:02, Transit: 11:45. Moon - Rise: 06:55, Set: 15:03. Civil Dark: 16:40 - 06:50. Nautical Dark: 17:22 - 06:08. Astro Dark: 18:02 - 05:28

Total Clouds (% Sky Obscured)

73
78
93
99
99
99
81
100
98
100
100
100
100
63
39
57
69
85
64
46
51
13
12
14

Low Clouds (% Sky Obscured)

55
64
76
87
86
85
65
100
84
83
73
60
50
41
32
45
63
82
57
40
24
0
0
10

Medium Clouds (% Sky Obscured)

59
41
34
97
72
98
58
88
95
98
98
100
100
57
30
42
35
40
40
45
51
13
12
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
45
40
25
2
2
1
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
5
3
5
2
9
5
0
0
0
7
9
9
9
9
6
2
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
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

22
29
31
69
77
39
24
23
32
62
95
95
40
5
4
5
23
46
16
7
5
2
3
2

Precipitation Amount (mm)

0
0
0
0.6
0.6
0
0
0
0
0
2.1
1
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
0
1
1
0
-2
-3
-3
-3
-2
-3
-3
-4
-4
-3
-2
-3
-2
-4
-4
-5
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

88
88
91
91
93
91
94
93
93
96
96
96
79
86
80
80
83
86
91
88
85
83
81
80

Pressure (mb)

1009
1008
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013

Ozone (du)

294
294
298
301
299
296
299
305
309
319
329
332
331
326
321
320
326
329
330
328
327
329
323
317

Wednesday 19

Waning Crescent 0%

08:09

15:25

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

Sun - Rise: 07:30, Set: 16:01, Transit: 11:45. Moon - Rise: 08:09, Set: 15:25. Civil Dark: 16:39 - 06:52. Nautical Dark: 17:21 - 06:10. Astro Dark: 18:01 - 05:30

Total Clouds (% Sky Obscured)

46
50
84
66
55
51
30
22
14
33
23
4
10
53
61
55
52
58
76
73
60
70
46
49

Low Clouds (% Sky Obscured)

22
36
52
60
50
45
27
22
10
21
16
0
5
14
31
35
34
39
64
60
60
49
46
38

Medium Clouds (% Sky Obscured)

46
27
51
9
27
35
10
3
3
19
9
3
4
4
5
5
4
47
75
53
16
70
3
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
2
5
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
2
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
4
10
34
26
4
3
0
0
0
0
1
1
0
3
3
5
3
18
7
27
6
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-3
-3
-3
-4
-4
-5
-4
-5
-5
-5
-5
-3
-1
-1
0
1
1
0
-0
-0
-1
-1

Relative Humidity (%)

77
78
81
86
81
73
74
74
75
74
74
75
70
74
80
79
79
80
85
85
86
88
88
89

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1015
1015
1016
1016
1017
1017
1018
1019
1019

Ozone (du)

323
326
324
319
317
316
314
313
314
315
321
328
335
337
340
334
327
327
323
314
308
308
309
311

Thursday 20

New Moon 2%

09:19

15:57

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

Sun - Rise: 07:32, Set: 16:00, Transit: 11:46. Moon - Rise: 09:19, Set: 15:57. Civil Dark: 16:38 - 06:53. Nautical Dark: 17:20 - 06:11. Astro Dark: 18:01 - 05:31

Total Clouds (% Sky Obscured)

37
38
38
34
27
21
28
36
41
51
57
77
86
56
81
96
96
96
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

36
37
37
31
27
21
15
8
0
0
0
0
0
0
0
0
0
0
20
36
48
46
47
46

Medium Clouds (% Sky Obscured)

0
0
1
2
2
1
9
16
24
23
25
26
32
41
49
48
48
51
92
93
95
97
97
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
13
26
36
51
57
77
82
56
52
65
75
81
83
85
86
90
94
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
14
18
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
86
84
83
81
83
83
86
87
87
86
81
74
72
69
69
73
79
80
81
80
80
79

Pressure (mb)

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

Ozone (du)

310
310
309
309
308
305
302
299
294
293
293
293
294
293
292
291
287
283
278
273
275
273
265
261

Friday 21

Waxing Crescent 5%

10:21

16:41

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: 07:34, Set: 15:58, Transit: 11:46. Moon - Rise: 10:21, Set: 16:41. Civil Dark: 16:37 - 06:55. Nautical Dark: 17:19 - 06:13. Astro Dark: 18:00 - 05:32

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
89
77
66
62
60
59
61
60
62
55
56
68
74
65
68
65
60
48

Low Clouds (% Sky Obscured)

75
66
73
90
91
99
84
69
54
49
44
40
42
46
47
43
39
36
35
35
34
36
38
39

Medium Clouds (% Sky Obscured)

89
43
88
98
96
95
78
65
45
48
51
54
47
60
57
49
46
48
43
17
4
9
19
30

High Clouds (% Sky Obscured)

95
100
100
75
50
30
20
15
15
15
20
30
25
25
25
20
20
15
8
3
3
9
13
20

ISS Passover

Visibility (miles)

9
9
9
9
9
4
2
3
4
4
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
Very Light Rain
Light Rain
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

Precipitation Probability (%)

35
48
64
95
95
95
95
95
72
41
19
6
3
2
2
5
3
1
3
2
2
5
6
1

Precipitation Amount (mm)

0
0
0.2
0.6
1.1
1.9
1.3
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
15
16
16
16
14
15
17
15
13
11
10
8
8
7
6
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-2
-2
-1
-0
2
5
6
5
5
5
5
5
6
6
7
7
7
7
6
5
5
4
4

Relative Humidity (%)

79
76
73
71
71
78
93
94
91
90
90
93
93
93
94
95
95
93
93
93
93
94
94
94

Pressure (mb)

1019
1018
1017
1016
1014
1013
1012
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

262
265
270
281
286
292
295
290
288
290
292
294
292
292
292
292
292
291
291
289
288
286
286
285

Saturday 22

Waxing Crescent 10%

11:10

17:40

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: 07:35, Set: 15:57, Transit: 11:46. Moon - Rise: 11:10, Set: 17:40. Civil Dark: 16:36 - 06:56. Nautical Dark: 17:18 - 06:14. Astro Dark: 17:59 - 05:34

Total Clouds (% Sky Obscured)

59
80
100
92
84
78
82
84
92
94
91
89
83
76
69
65
60
53
65
78
89
75
59
41

Low Clouds (% Sky Obscured)

42
47
49
36
23
10
22
35
48
54
68
74
67
59
49
54
59
53
61
59
57
45
34
21

Medium Clouds (% Sky Obscured)

47
59
63
54
39
34
46
56
56
41
14
13
11
10
9
13
10
4
21
30
34
39
35
21

High Clouds (% Sky Obscured)

36
47
58
50
38
19
34
55
86
64
32
0
0
0
0
1
1
3
5
10
13
21
28
35

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

Precipitation Probability (%)

2
1
0
7
10
12
13
18
27
58
73
84
67
49
10
12
14
15
13
10
3
2
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
5
6
7
8
9
10
11
12
13
11
10
10
9
7
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
2
1
1
2
2
2
2
2
2
3
3
3
2
8
7
7
7
6
6
2
2

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
93
93
94
93
94
93
93
94
93
88
82
77
81
84
87
88
91
94
93
93

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1005
1005
1004
1004
1004
1004
1003
1003
1003

Ozone (du)

285
283
281
279
276
273
270
271
271
272
273
273
274
275
275
276
277
277
277
278
279
280
280
280

Sunday 23

Waxing Crescent 17%

11:47

18:49

21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 07:37, Set: 15:56, Transit: 11:47. Moon - Rise: 11:47, Set: 18:49. Civil Dark: 16:35 - 06:58. Nautical Dark: 17:18 - 06:15. Astro Dark: 17:58 - 05:35

Total Clouds (% Sky Obscured)

30
31
32
28
24
20
43
66
88
90
91
92
95
98
100
98
97
94
96
98
100

Low Clouds (% Sky Obscured)

14
7
0
4
7
11
16
21
27
27
27
31
42
49
56
64
70
81
75
71
67

Medium Clouds (% Sky Obscured)

24
28
32
28
24
20
43
66
88
90
91
92
95
98
100
97
94
89
88
93
100

High Clouds (% Sky Obscured)

30
31
32
28
24
20
43
65
70
70
80
75
80
90
100
88
70
40
40
41
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

0
0
0
0
0
0
2
7
11
28
36
43
50
45
14
33
41
46
62
64
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0

Wind Speed/Direction (mph)

6
6
6
7
8
9
9
10
11
12
13
14
15
16
16
16
16
16
15
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
-1
-1
-1
-1
-0
0
1
1
1
1
2
2
5
5
4
5
4

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
91
91
89
88
88
86
85
85
86
85
84
82
82
82
82
84
85

Pressure (mb)

1002
1002
1001
1001
1000
999
999
998
997
996
996
995
995
994
993
993
992
992
991
991
992

Ozone (du)

280
281
281
282
282
283
283
285
286
287
287
287
287
286
286
285
288
291
294
296
299

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

Generated: 17/11/25 21:50:08. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+0.00