Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waning Crescent 29%

00:49

14:05

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

Sun - Rise: 07:20, Set: 16:09, Transit: 11:44. Moon - Rise: 00:49, Set: 14:05. Civil Dark: 16:46 - 06:42. Nautical Dark: 17:27 - 06:01. Astro Dark: 18:08 - 05:21

Total Clouds (% Sky Obscured)

54
64
72
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
57
51
68
72
89
89
92
94
93
100
90
93
96
95
95
90
91
89
91
95
92
100
100

Medium Clouds (% Sky Obscured)

54
64
72
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100

High Clouds (% Sky Obscured)

54
49
72
78
100
100
78
84
71
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
3
2
5
9
8
4
4
3
4
4
2
2
3
2
2
2
2
3
4
2
4

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

10
47
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
92

Precipitation Amount (mm)

0
0
0.5
1.9
1.7
1
1.1
2.1
1.9
1.8
1.6
1.4
2.3
2.6
2.9
1.8
3
2.7
3.1
1.4
0.9
1
0.5
0.4

Wind Speed/Direction (mph)

3
4
4
5
5
7
8
10
11
12
14
15
15
15
17
18
19
19
20
20
21
23
23
24

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
93
96
96
96
98
98
96
93
92
93
95
92
91
91
91
91
93
91
91
91
90

Pressure (mb)

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

Ozone (du)

287
289
289
292
291
291
290
289
287
287
285
286
287
288
290
288
288
289
288
288
287
287
290
292

Friday 14

Waning Crescent 21%

02:03

14:14

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

Sun - Rise: 07:22, Set: 16:07, Transit: 11:44. Moon - Rise: 02:03, Set: 14:14. Civil Dark: 16:45 - 06:44. Nautical Dark: 17:26 - 06:03. Astro Dark: 18:07 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
92
99
93
79
68
70
80
91
88
93
90
70
47
44
63
78

Low Clouds (% Sky Obscured)

98
100
100
100
100
100
100
96
83
77
79
66
64
64
74
81
86
93
88
68
44
42
61
77

Medium Clouds (% Sky Obscured)

100
100
77
63
42
64
34
56
54
66
47
13
2
12
42
41
40
45
40
30
7
30
25
25

High Clouds (% Sky Obscured)

38
100
100
86
40
62
55
45
45
2
6
7
6
35
30
20
30
25
24
24
25
25
30
35

ISS Passover

Visibility (miles)

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

Precipitation Type

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
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
68
45
23
14
21
7
7
3
2
0
2
3
2
1
1
2
4
1
2

Precipitation Amount (mm)

0.7
0.7
0.8
0.8
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

23
22
22
22
21
19
18
16
15
13
13
12
10
10
10
9
10
10
11
11
11
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
90
88
88
88
88
87
87
88
87
87
87
87
87
87
87
86
84
83
84
86
85

Pressure (mb)

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

Ozone (du)

296
297
295
294
294
293
293
292
291
290
288
285
285
285
283
282
281
281
281
282
282
280
280
280

Saturday 15

Waning Crescent 13%

03:15

14:24

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

Sun - Rise: 07:23, Set: 16:06, Transit: 11:45. Moon - Rise: 03:15, Set: 14:24. Civil Dark: 16:44 - 06:46. Nautical Dark: 17:25 - 06:04. Astro Dark: 18:06 - 05:24

Total Clouds (% Sky Obscured)

87
90
94
98
91
92
94
96
98
96
97
99
100
100
96
84
88
94
95
97
100
88
66
42

Low Clouds (% Sky Obscured)

85
88
92
97
85
87
90
93
97
93
94
99
100
100
94
77
85
92
95
97
100
85
60
31

Medium Clouds (% Sky Obscured)

30
30
35
40
37
50
50
45
40
23
4
4
4
4
4
4
4
0
4
15
22
20
18
15

High Clouds (% Sky Obscured)

45
50
55
50
51
31
17
26
13
4
0
0
2
7
20
21
4
4
2
5
1
2
0
1

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 (%)

4
11
12
11
4
2
1
0
0
0
1
1
0
0
0
0
0
3
4
6
7
6
6
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
84
84
84
85
82
81
81
80
80
77
75
75
74
72
73
72
68
67
67
68
68
74

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

281
281
282
282
282
283
284
286
286
287
287
288
288
288
290
292
292
292
296
297
295
289
284
283

Sunday 16

Waning Crescent 7%

04:28

14:34

18 OK
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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK

Sun - Rise: 07:25, Set: 16:04, Transit: 11:45. Moon - Rise: 04:28, Set: 14:34. Civil Dark: 16:42 - 06:47. Nautical Dark: 17:24 - 06:06. Astro Dark: 18:05 - 05:25

Total Clouds (% Sky Obscured)

43
66
66
70
72
75
83
92
67
63
83
95
74
62
36
37
48
49
67
76
81
68
46
24

Low Clouds (% Sky Obscured)

37
58
59
61
60
63
74
87
67
63
83
86
63
39
16
25
38
44
65
76
81
68
46
24

Medium Clouds (% Sky Obscured)

11
6
0
0
0
0
0
0
0
9
19
28
19
10
0
0
0
0
0
0
0
0
0
0

High 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

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 (%)

3
2
1
3
5
11
7
5
11
13
8
9
13
15
7
11
6
12
13
12
14
3
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)

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

Chance of Frost

Temperature (°C)

6
6
7
6
6
6
6
6
6
5
5
5
5
5
5
5
6
6
7
7
7
7
6
5

Feels Like (°C)

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

Dew Point (°C)

3
2
1
2
2
2
3
3
4
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

81
78
69
71
75
75
81
83
86
89
89
85
85
82
85
82
76
71
67
66
68
69
74
80

Pressure (mb)

1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023
1023
1023
1024
1024
1024
1024
1025

Ozone (du)

283
282
276
270
266
265
266
267
266
268
270
266
263
262
262
264
263
262
262
262
262
263
263
260

Monday 17

Waning Crescent 3%

05:41

14:47

18 OK
19 OK
20 OK
21 OK
22 OK
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

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: 18:04 - 05:27

Total Clouds (% Sky Obscured)

25
24
22
22
22
35
34
29
25
31
32
38
70
79
87
82
80
77
78
80
81
85
90
94

Low Clouds (% Sky Obscured)

25
24
22
22
20
17
12
6
0
7
14
22
30
35
39
26
13
0
14
28
45
61
75
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
31
32
3
20
34
43
56
69
77
78
79
75
63
57
59

High Clouds (% Sky Obscured)

0
0
0
2
2
9
15
20
25
25
25
25
35
45
45
25
24
25
16
8
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
8
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
22
30
33
39
48
54
56
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
89
93
94
93
93
91
91
91
89
89
89
88
84
82
85
86
88
90
91
91
93
91

Pressure (mb)

1025
1025
1025
1026
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1018
1018
1017
1016
1015
1014
1014

Ozone (du)

254
255
259
263
271
267
265
268
264
264
267
273
282
283
284
285
282
279
276
278
279
281
283
286

Tuesday 18

Waning Crescent 1%

06:55

15:03

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

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: 18:03 - 05:28

Total Clouds (% Sky Obscured)

95
95
95
95
95
96
97
98
100
100
99
99
99
100
100
100
100
100
97
93
90
93
96
100

Low Clouds (% Sky Obscured)

85
82
77
79
82
85
88
92
96
88
81
77
83
80
79
84
90
96
85
73
62
62
62
61

Medium Clouds (% Sky Obscured)

66
62
52
40
32
30
35
45
65
63
65
59
47
25
26
27
33
29
47
59
65
77
88
100

High Clouds (% Sky Obscured)

0
0
0
15
31
46
57
64
70
70
65
60
60
65
65
70
70
65
43
17
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
4
3
2
0
3
6
9
9
9
9
6
3

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

Precipitation Probability (%)

46
37
25
28
30
32
37
47
60
57
51
43
43
40
33
34
34
33
54
66
75
63
55
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
5
5
6
6
6
6
6
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
91
91
93
94
91
90
88
89
93
94
94
94
93
90
88
85
86
90
90
91
93

Pressure (mb)

1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003

Ozone (du)

288
289
291
292
293
293
294
298
302
306
307
307
307
318
328
339
338
338
337
336
334
333
328
323

Wednesday 19

Waning Crescent 0%

08:09

15:25

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 Good
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 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: 18:02 - 05:30

Total Clouds (% Sky Obscured)

99
98
97
96
95
91
84
79
67
40
29
11
19
30
40
56
73
88

Low Clouds (% Sky Obscured)

64
63
64
65
67
69
46
23
0
4
7
8
7
7
7
10
13
16

Medium Clouds (% Sky Obscured)

79
59
38
35
35
41
41
35
30
20
10
0
2
4
6
24
46
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
27
40
29
17
6

ISS Passover

Visibility (miles)

0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

47
39
23
21
18
9
7
3
1
1
0
0
0
0
0
3
5
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
90
88
83
86
88
91
88
86
83
83
82
78
77
76
74
69
66

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005

Ozone (du)

319
319
319
319
320
321
323
319
315
311
310
309
308
303
299
294
291
287

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

Generated: 13/11/25 18:39:00. Forecast: 13/11/25 to 19/11/25. Timezone: UTC+0.00