Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 20%

00:51

17:58

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:40, Set: 19:11, Transit: 12:56. Moon - Rise: 00:51, Set: 17:58. Civil Dark: 19:45 - 06:07. Nautical Dark: 20:25 - 05:26. Astro Dark: 21:08 - 04:43

Total Clouds (% Sky Obscured)

100
48
100
100
100
100
100
100
100
100
99
99
96
100
100
100
98
98
93
96
93
94
100
99

Low Clouds (% Sky Obscured)

0
57
50
49
70
82
87
88
84
84
79
80
89
100
100
100
96
96
86
91
91
92
100
95

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
97
92
70
39
39
85
30
26
36
32
34
48
94

High Clouds (% Sky Obscured)

100
100
100
100
62
51
60
2
13
0
0
0
0
0
0
0
2
0
0
3
3
3
42
45

ISS Passover

Visibility (miles)

-
-
9
4
4
3
5
3
8
4
3
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

Precipitation Type

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

Precipitation Probability (%)

0
100
92
95
95
95
95
95
95
95
89
48
8
1
5
4
14
6
2
0
1
4
9
12

Precipitation Amount (mm)

0
0.2
0.7
1.2
0.8
1.5
2.5
2.5
1.2
1.2
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
8
9
7
9
11
13
14
16
17
17
16
16
16
15
15
14
14
14
13
13
13

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
13
14
15
16
17
17
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

10
11
9
10
9
10
9
10
10
10
12
12
13
14
14
15
15
15
16
16
16
16
16
16

Dew Point (°C)

9
10
10
11
11
11
11
11
12
12
14
15
15
16
16
16
16
17
17
17
17
17
17
16

Relative Humidity (%)

85
86
87
89
92
92
93
95
95
89
92
92
92
92
90
90
92
93
92
92
93
93
93
92

Pressure (mb)

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

Ozone (du)

260
259
259
258
258
257
257
257
258
257
257
259
261
263
265
266
267
268
266
264
263
262
261
260

Thursday 18

Waning Crescent 12%

02:16

18:15

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:42, Set: 19:08, Transit: 12:55. Moon - Rise: 02:16, Set: 18:15. Civil Dark: 19:42 - 06:08. Nautical Dark: 20:23 - 05:28. Astro Dark: 21:05 - 04:45

Total Clouds (% Sky Obscured)

98
100
95
97
95
97
91
88
89
94
100
100
100
72
58
66
67
59
71
71
73
71
55
70

Low Clouds (% Sky Obscured)

98
96
88
94
90
85
83
77
78
87
97
100
100
71
58
53
67
52
52
71
73
71
55
44

Medium Clouds (% Sky Obscured)

75
99
53
24
29
43
35
25
35
37
0
16
3
1
2
15
0
9
8
2
0
0
2
28

High Clouds (% Sky Obscured)

3
47
18
5
0
0
0
11
23
35
100
93
47
50
55
50
45
43
47
25
30
35
40
70

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 (%)

6
7
2
1
1
1
4
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
17
17
17
18
19
20
21
21
22
23
22
22
21
20
19
18
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
93
90
89
90
86
82
77
71
64
58
56
59
64
69
74
80
83
88
90

Pressure (mb)

1015
1016
1016
1016
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020

Ozone (du)

261
261
261
261
262
262
263
263
262
262
262
261
260
258
257
256
255
255
255
254
255
255
255
256

Friday 19

Waning Crescent 6%

03:38

18:28

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

Sun - Rise: 06:44, Set: 19:06, Transit: 12:55. Moon - Rise: 03:38, Set: 18:28. Civil Dark: 19:40 - 06:10. Nautical Dark: 20:20 - 05:30. Astro Dark: 21:02 - 04:47

Total Clouds (% Sky Obscured)

66
71
64
69
89
82
78
73
88
45
33
42
34
31
24
32
25
100
91
80
72
93
73
57

Low Clouds (% Sky Obscured)

63
66
59
60
56
53
62
56
73
43
29
14
2
12
7
13
18
5
6
4
2
0
0
0

Medium Clouds (% Sky Obscured)

35
31
30
38
25
4
40
2
2
4
5
42
2
0
0
0
0
0
2
2
1
0
0
0

High Clouds (% Sky Obscured)

57
66
64
68
55
78
12
37
43
6
8
34
34
31
24
32
10
100
86
64
66
92
69
57

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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
15
15
15
17
19
21
22
23
24
25
25
25
23
21
19
18
17
16

Feels Like (°C)

15
14
14
14
14
14
13
14
15
15
18
20
20
21
22
22
22
24
21
19
19
18
16
16

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
92
93
95
93
93
89
79
70
64
58
53
49
45
44
45
51
60
64
69
72
77

Pressure (mb)

1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015
1014
1014
1015
1015
1015
1015

Ozone (du)

256
257
256
256
256
256
255
255
256
257
258
257
258
258
258
258
258
259
258
258
258
258
259
261

Saturday 20

Waning Crescent 2%

04:57

18:39

00 OK
01 OK
02 Good
03 Good
04 OK
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

Sun - Rise: 06:45, Set: 19:04, Transit: 12:55. Moon - Rise: 04:57, Set: 18:39. Civil Dark: 19:37 - 06:12. Nautical Dark: 20:18 - 05:31. Astro Dark: 21:00 - 04:49

Total Clouds (% Sky Obscured)

30
25
13
17
36
64
79
88
94
100
100
92
76
98
100
100
100
100
100
86
72
58
57
62

Low Clouds (% Sky Obscured)

0
0
0
0
2
3
5
3
2
0
11
22
33
45
56
66
58
77
77
48
44
58
33
55

Medium Clouds (% Sky Obscured)

0
0
3
2
22
30
77
41
25
35
63
60
28
79
92
99
86
100
92
30
17
0
0
0

High Clouds (% Sky Obscured)

30
25
9
10
10
15
15
47
72
100
100
77
76
92
100
100
100
100
100
70
40
10
10
15

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
13
21
25
59
75
75
48
24
7
13
12
18
9
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
6
5
5
5
4
4
5
6
7
8
9
9
10
11
10
12
13
14
15
16
17

Chance of Frost

Temperature (°C)

16
15
15
15
14
14
14
13
14
16
18
19
20
21
22
22
21
20
19
19
18
17
15
14

Feels Like (°C)

15
14
14
14
14
14
13
13
14
15
17
17
18
19
18
18
18
18
16
15
14
13
10
8

Dew Point (°C)

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

Relative Humidity (%)

79
82
83
86
89
92
93
95
89
79
71
61
56
51
47
48
50
53
56
60
66
77
75
80

Pressure (mb)

1015
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011
1010
1010
1009
1008
1008
1007
1006
1006
1006
1005
1006
1006

Ozone (du)

261
261
261
261
261
262
263
264
264
263
263
263
263
263
263
262
263
265
265
267
271
276
277
278

Sunday 21

New Moon 0%

06:13

18:48

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:47, Set: 19:01, Transit: 12:54. Moon - Rise: 06:13, Set: 18:48. Civil Dark: 19:35 - 06:13. Nautical Dark: 20:15 - 05:33. Astro Dark: 20:57 - 04:51

Total Clouds (% Sky Obscured)

64
74
67
80
89
82
75
83
92
100
100
100
100
97
94
90
91
91
91
93
95
96
92
88

Low Clouds (% Sky Obscured)

49
48
44
42
50
50
50
51
52
53
67
84
100
93
86
78
80
81
82
78
73
68
55
44

Medium Clouds (% Sky Obscured)

0
1
3
4
3
2
0
15
29
41
61
70
69
68
62
50
44
45
51
52
40
36
33
27

High Clouds (% Sky Obscured)

15
53
47
65
57
44
30
44
53
60
40
22
0
0
0
0
2
4
7
16
19
33
22
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
3
3
18
34
51
46
31
21
26
24
20
24
28
32
26
20
10
10
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
76
77
78
77
77
76
76
81
83
83
79
79
73
67
62
64
67
70
69
72
73
76

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1010
1011
1012
1013
1014
1015
1016
1016
1017
1018
1018
1019
1020
1021
1021
1022
1023

Ozone (du)

279
282
284
286
288
291
294
297
298
300
301
302
303
303
305
306
308
307
307
307
308
309
309
311

Monday 22

Waxing Crescent 1%

07:27

18:58

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:49, Set: 18:59, Transit: 12:54. Moon - Rise: 07:27, Set: 18:58. Civil Dark: 19:33 - 06:15. Nautical Dark: 20:13 - 05:35. Astro Dark: 20:54 - 04:53

Total Clouds (% Sky Obscured)

84
80
73
70
63
58
53
60
68
76
69
62
54
59
66
70
68
68
68
61
51
45
47
48

Low Clouds (% Sky Obscured)

33
40
45
51
51
54
53
60
68
76
62
49
33
34
35
36
41
45
54
51
49
45
47
48

Medium Clouds (% Sky Obscured)

32
28
27
26
19
10
0
0
0
0
2
6
11
12
15
16
15
8
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
12
4
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 (%)

6
8
6
2
13
16
15
13
11
12
14
15
13
13
13
16
16
15
15
15
13
10
8
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
81
81
80
79
78
77
75
73
69
66
62
57
52
53
52
53
56
59
63
65
70
72
73

Pressure (mb)

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

Ozone (du)

314
316
316
317
317
318
318
319
318
317
317
315
313
311
311
310
309
307
306
305
305
305
305
304

Tuesday 23

Waxing Crescent 3%

08:40

19:07

Sun - Rise: 06:50, Set: 18:57, Transit: 12:53. Moon - Rise: 08:40, Set: 19:07. Civil Dark: 19:30 - 06:17. Nautical Dark: 20:10 - 05:37. Astro Dark: 20:52 - 04:55

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Bedford, Bedford, United Kingdom (52.14,-0.47)

Generated: 17/09/25 02:33:14. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00