Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

06:56

15:04

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
21 Bad
22 OK

Sun - Rise: 07:29, Set: 16:03, Transit: 11:46. Moon - Rise: 06:56, Set: 15:04. Civil Dark: 16:41 - 06:51. Nautical Dark: 17:23 - 06:09. Astro Dark: 18:03 - 05:29

Total Clouds (% Sky Obscured)

40
52
67
72
100
100
100
100
100
100
100
100
100
100
100
83
70
52
52
79
100
94
38
33

Low Clouds (% Sky Obscured)

40
52
67
72
81
93
69
83
63
74
57
48
44
52
73
51
56
43
40
31
23
8
0
0

Medium Clouds (% Sky Obscured)

40
52
65
72
100
100
100
100
100
100
100
100
100
100
100
83
62
52
52
79
100
88
19
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
40
45
40
45
2
0
0
34
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
9
2
0
9
0
0
1
0
0
5
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
2
98
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
None
Light Rain
Very Light Rain
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
38
69
95
95
79
51
72
64
63
95
95
30
8
7
4
2
2
1
0
1
5
14
14

Precipitation Amount (mm)

0
0
0.5
1.2
2
0.4
0
0.4
0.2
0
1.5
1.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
7
12
13
14
16
20
22
23
20
22
20
21
20
18
17
16
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
89
93
96
93
96
94
94
94
98
91
85
93
89
89
88
82
80
80
80
88
81

Pressure (mb)

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

Ozone (du)

296
295
289
291
297
302
308
318
328
335
337
334
325
319
319
323
326
324
318
315
316
315
321
323

Wednesday 19

Waning Crescent 0%

08:09

15:27

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

Sun - Rise: 07:31, Set: 16:02, Transit: 11:47. Moon - Rise: 08:09, Set: 15:27. Civil Dark: 16:40 - 06:53. Nautical Dark: 17:22 - 06:11. Astro Dark: 18:02 - 05:31

Total Clouds (% Sky Obscured)

34
42
19
4
4
0
11
20
2
15
27
16
66
68
26
15
38
3
5
9
32
41
69
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
25
41
69
74

Medium Clouds (% Sky Obscured)

34
42
11
3
3
0
2
6
0
10
20
16
66
68
18
15
25
3
2
9
11
2
2
2

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 (%)

2
0
0
0
0
0
0
0
0
0
0
2
2
0
0
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
77
77
75
75
75
74
72
74
72
69
65
67
73
73
69
72
71
73
74
77
81
84

Pressure (mb)

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

Ozone (du)

321
320
316
314
312
313
316
317
319
320
323
331
328
324
319
314
310
309
311
313
316
317
318
321

Thursday 20

New Moon 2%

09:20

15:59

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

Sun - Rise: 07:33, Set: 16:01, Transit: 11:47. Moon - Rise: 09:20, Set: 15:59. Civil Dark: 16:39 - 06:54. Nautical Dark: 17:21 - 06:12. Astro Dark: 18:02 - 05:32

Total Clouds (% Sky Obscured)

68
69
61
54
47
32
25
21
20
16
18
21
93
34
18
68
13
18
23
15
18
25
41
51

Low Clouds (% Sky Obscured)

68
69
61
54
47
32
25
21
20
10
12
8
27
3
0
0
0
0
0
0
1
1
1
1

Medium Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
4
4
4
18
58
0
0
23
15
18
25
41
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
5
4
13
87
34
18
68
13
18
23
15
17
21
26
34

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
93
93
88
86
86
88
86
86
80
74
68
67
69
72
77
80
84
86
86
84
83
83

Pressure (mb)

1019
1020
1020
1021
1022
1022
1022
1023
1024
1024
1025
1025
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

321
320
314
310
304
302
299
296
295
295
293
291
289
289
289
288
286
282
279
276
274
274
267
260

Friday 21

Waxing Crescent 5%

10:22

16:43

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
21 Bad
22 Bad

Sun - Rise: 07:34, Set: 16:00, Transit: 11:47. Moon - Rise: 10:22, Set: 16:43. Civil Dark: 16:38 - 06:56. Nautical Dark: 17:21 - 06:14. Astro Dark: 18:01 - 05:33

Total Clouds (% Sky Obscured)

55
70
86
100
100
100
100
100
100
100
100
100
100
97
94
91
92
95
98
98
99
100
98
99

Low Clouds (% Sky Obscured)

7
2
20
12
22
26
36
32
28
32
45
55
69
72
76
79
83
86
89
89
90
90
71
69

Medium Clouds (% Sky Obscured)

53
69
83
98
98
97
100
59
94
91
94
97
99
96
92
85
78
53
53
60
68
52
48
48

High Clouds (% Sky Obscured)

36
55
76
100
97
91
78
94
97
100
73
47
25
25
25
24
46
61
61
63
73
86
70
42

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
5
26
13
2
5
6
5
10
19
15
34
57
59
52
40
33
32
28
26
29
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
83
83
84
83
86
89
93
94
93
94
91
91
96
96
96
98
98
98
98
98
96

Pressure (mb)

1023
1022
1022
1021
1021
1020
1019
1018
1018
1017
1017
1016
1016
1015
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010

Ozone (du)

258
259
264
270
278
283
286
290
295
296
297
298
298
296
294
290
289
288
286
283
281
278
277
278

Saturday 22

Waxing Crescent 10%

11:11

17:41

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 OK
21 Bad
22 Bad

Sun - Rise: 07:36, Set: 15:59, Transit: 11:47. Moon - Rise: 11:11, Set: 17:41. Civil Dark: 16:37 - 06:57. Nautical Dark: 17:20 - 06:15. Astro Dark: 18:00 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
86
81
70
65
59
52
50
50
48
43
41
36
57
79

Low Clouds (% Sky Obscured)

63
71
78
98
96
96
96
100
100
96
84
74
61
57
52
48
50
50
48
43
36
27
31
35

Medium Clouds (% Sky Obscured)

77
100
100
100
100
68
100
99
98
91
58
37
13
9
7
6
5
3
2
1
1
0
12
24

High Clouds (% Sky Obscured)

15
47
75
100
100
100
85
51
23
0
0
0
0
0
0
0
0
0
0
3
5
8
25
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
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
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
None
None
None
None

Precipitation Probability (%)

27
35
51
71
75
79
94
95
95
95
95
79
35
30
19
15
16
14
8
7
6
1
3
1

Precipitation Amount (mm)

0
0
0
0.4
0.4
0.4
0.7
1.2
1
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
93
93
93
94
96
96
96
93
88
84
84
84
85
87
90
94
94
94
93
94

Pressure (mb)

1009
1008
1008
1007
1007
1006
1005
1004
1003
1003
1002
1002
1002
1001
1001
1000
1000
1000
1000
1000
999
999
999
999

Ozone (du)

278
276
272
272
274
274
275
277
278
282
284
285
286
288
290
292
294
292
290
289
288
288
288
288

Sunday 23

Waxing Crescent 17%

11:48

18:51

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
21 Bad
22 Bad

Sun - Rise: 07:38, Set: 15:58, Transit: 11:48. Moon - Rise: 11:48, Set: 18:51. Civil Dark: 16:37 - 06:59. Nautical Dark: 17:19 - 06:16. Astro Dark: 17:59 - 05:36

Total Clouds (% Sky Obscured)

100
98
97
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)

39
49
57
60
53
46
45
48
50
50
60
72
85
76
63
50
55
59
64
58
58
58
68
75

Medium Clouds (% Sky Obscured)

46
46
51
63
77
87
98
98
98
100
100
100
100
100
100
100
98
96
96
95
98
100
90
82

High Clouds (% Sky Obscured)

58
72
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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 (%)

1
3
3
1
1
1
0
1
1
0
2
2
0
3
4
2
12
14
10
9
8
6
11
15

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
7
6
5
4
3
3
2
3
3
6
8
10
10
10
11
11
11
12
12
13
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
2
2
2
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4

Relative Humidity (%)

93
93
93
94
94
94
94
96
94
93
93
89
86
83
82
82
81
83
85
88
88
90
90
90

Pressure (mb)

998
998
997
997
996
996
996
995
995
995
996
996
996
995
996
996
997
998
999
1000
1001
1002
1003
1003

Ozone (du)

288
288
289
289
290
291
292
293
295
297
299
300
301
302
300
298
296
292
288
284
284
283
283
285

Monday 24

Waxing Crescent 25%

12:14

20:07

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: 07:39, Set: 15:57, Transit: 11:48. Moon - Rise: 12:14, Set: 20:07. Civil Dark: 16:36 - 07:00. Nautical Dark: 17:18 - 06:18. Astro Dark: 17:59 - 05:37

Total Clouds (% Sky Obscured)

100
99
99
98
97
96
90
87
89
88
87
86
89
72
54
37
44
43
24

Low Clouds (% Sky Obscured)

90
82
64
46
54
62
70
63
56
48
51
55
59
53
47
37
34
29
24

Medium Clouds (% Sky Obscured)

74
64
61
55
55
35
30
30
25
20
14
16
18
14
7
0
4
8
11

High Clouds (% Sky Obscured)

98
92
86
83
72
53
30
30
30
30
29
31
26
20
13
1
4
8
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 (%)

16
16
15
13
12
9
3
9
12
14
16
14
13
18
20
17
13
9
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
88
88
88
88
88
89
88
86
85
82
82
84
84
84
82

Pressure (mb)

1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1015
1015
1016
1017
1017
1018
1019
1019
1020

Ozone (du)

287
289
295
301
307
304
300
296
294
292
290
289
287
285
286
286
286
285
284

Forecast for Blunham, Central Bedfordshire, United Kingdom (52.15,-0.32)

Generated: 18/11/25 23:17:31. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+0.00