Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 36%

02:20

12:37

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

Sun - Rise: 08:01, Set: 15:56, Transit: 11:58. Moon - Rise: 02:20, Set: 12:37. Civil Dark: 16:36 - 07:21. Nautical Dark: 17:19 - 06:38. Astro Dark: 17:59 - 05:58

Total Clouds (% Sky Obscured)

24
31
51
42
0
0
22
47
38
40
55
65
98
92
70
70
61
72
48
46
91
95
100
93

Low Clouds (% Sky Obscured)

24
31
51
42
0
0
22
35
38
39
46
48
55
53
52
53
46
47
31
24
25
34
39
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
37
57
8
11
2
30
40
43
48
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
19
17
40
53
64
97
85
57
24
7
16
15
10
9
13
58
76

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
1
2
5
2
0
0
0
1
7
7
5
2
1
1
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)

2
3
4
4
4
6
8
8
8
7
6
6
7
7
8
7
8
8
8
8
8
9
10
10

Chance of Frost

Temperature (°C)

3
3
2
2
4
7
8
9
9
8
7
7
7
7
7
7
7
7
6
6
6
6
7
7

Feels Like (°C)

2
2
1
1
4
5
6
7
7
7
5
4
4
3
3
4
4
5
5
4
4
4
4
3

Dew Point (°C)

2
1
1
1
2
4
5
6
7
7
6
6
6
6
6
6
5
6
5
6
5
5
5
6

Relative Humidity (%)

89
91
89
89
86
81
81
84
87
90
93
93
93
93
93
91
91
93
93
94
93
91
91
93

Pressure (mb)

1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1022
1022

Ozone (du)

371
364
350
341
342
340
335
333
330
331
331
328
324
322
319
315
313
310
309
308
307
304
303
303

Sunday 14

Waning Crescent 27%

03:31

12:48

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:01, Set: 15:56, Transit: 11:59. Moon - Rise: 03:31, Set: 12:48. Civil Dark: 16:36 - 07:22. Nautical Dark: 17:19 - 06:39. Astro Dark: 17:59 - 05:59

Total Clouds (% Sky Obscured)

97
93
86
89
75
84
91
99
100
96
100
92
91
80
97
99
98
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

42
43
43
45
50
78
81
81
76
62
76
87
84
63
95
66
92
99
98
82
100
84
100
86

Medium Clouds (% Sky Obscured)

30
27
33
26
20
4
13
7
1
0
4
21
16
24
27
24
31
42
37
36
43
42
41
31

High Clouds (% Sky Obscured)

67
79
61
76
8
8
12
61
79
77
72
38
15
11
38
89
41
32
80
97
82
82
29
9

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
1
1
2
3
6
3
3
1
1
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
88
85
84
85
87
88
88
85
87
84
83
81
83
87
90
85
87
82
82
85

Pressure (mb)

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

Ozone (du)

302
301
300
301
301
299
298
297
296
296
296
295
296
296
296
299
301
301
302
302
303
303
304
306

Monday 15

Waning Crescent 19%

04:43

13:01

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:02, Set: 15:57, Transit: 11:59. Moon - Rise: 04:43, Set: 13:01. Civil Dark: 16:36 - 07:23. Nautical Dark: 17:19 - 06:40. Astro Dark: 18:00 - N/A

Total Clouds (% Sky Obscured)

100
100
100
96
92
72
82
98
100
100
100
100
100
100
100
100
100
100
100
100
100
98
94
93

Low Clouds (% Sky Obscured)

100
100
79
83
80
72
79
80
77
84
73
69
78
85
72
70
73
78
74
77
75
60
42
26

Medium Clouds (% Sky Obscured)

33
27
30
26
19
0
0
0
0
8
10
13
19
29
45
85
43
35
45
45
40
42
49
54

High Clouds (% Sky Obscured)

3
50
58
23
10
2
37
91
100
100
100
100
100
100
100
100
100
100
100
100
100
87
71
63

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

Precipitation Probability (%)

2
17
9
24
21
8
4
5
2
3
15
5
4
6
7
12
40
80
69
84
95
83
63
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.6
0.9
0.6
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
84
82
87
88
90
90
90
88
90
88
90
90
88
88
90
93
93
95
93
94
94
96

Pressure (mb)

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

Ozone (du)

307
309
314
319
323
326
332
340
343
342
340
335
326
323
318
319
320
317
315
312
310
307
304
302

Tuesday 16

Waning Crescent 12%

05:56

13:17

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:03, Set: 15:57, Transit: 12:00. Moon - Rise: 05:56, Set: 13:17. Civil Dark: 16:36 - 07:23. Nautical Dark: 17:19 - 06:40. Astro Dark: 18:00 - 06:00

Total Clouds (% Sky Obscured)

88
83
79
69
61
55
72
88
100
89
80
67
62
63
62
56
47
44
42
47
56
70
86
92

Low Clouds (% Sky Obscured)

19
12
5
13
21
33
31
30
30
36
38
40
51
61
62
56
47
44
41
38
27
31
36
43

Medium Clouds (% Sky Obscured)

78
79
79
69
57
52
72
87
100
89
80
34
30
10
3
2
0
0
0
0
0
12
26
46

High Clouds (% Sky Obscured)

44
27
10
10
10
15
40
68
100
70
30
1
0
0
0
0
0
0
8
16
31
54
79
88

ISS Passover

Visibility (miles)

9
9
8
4
9
9
9
6
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
45
59
50
36
20
26
27
21
8
11
14
11
4
0
0
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

0
0
0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
98
94
94
94
93
93
93
93
91
91
89
89
88
89
91
93
93
91

Pressure (mb)

1009
1010
1011
1012
1012
1013
1013
1013
1014
1015
1015
1016
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

296
291
286
288
296
302
309
312
317
329
332
338
335
338
348
351
350
343
337
328
325
323
325
322

Wednesday 17

Waning Crescent 7%

05:56

13:39

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:04, Set: 15:57, Transit: 12:00. Moon - Rise: 05:56, Set: 13:39. Civil Dark: 16:37 - 07:24. Nautical Dark: 17:20 - 06:41. Astro Dark: 18:00 - 06:01

Total Clouds (% Sky Obscured)

100
100
99
99
98
97
98
99
100
100
100
100
100
100
100
100
100
100
98
97
95
88
81
74

Low Clouds (% Sky Obscured)

53
51
49
59
66
73
82
91
100
100
100
100
100
100
100
100
100
91
84
74
68
67
70
74

Medium Clouds (% Sky Obscured)

54
57
65
61
61
79
86
85
71
81
74
75
86
82
73
53
31
16
37
60
80
81
78
74

High Clouds (% Sky Obscured)

100
100
97
89
77
68
49
36
14
19
37
52
11
20
15
42
71
100
78
55
31
22
12
10

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

Precipitation Probability (%)

2
2
5
28
45
55
55
41
27
24
16
3
22
16
17
33
44
52
64
71
83
78
62
29

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.6
0.5
0.2
0

Wind Speed/Direction (mph)

6
7
8
9
10
12
13
13
14
14
14
14
15
16
17
17
17
16
16
15
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
86
86
82
79
81
82
82
82
85
87
85
85
85
85
85
84
82
84
85
85
85
84

Pressure (mb)

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

Ozone (du)

318
315
315
314
313
311
310
310
305
304
303
301
298
296
294
292
292
292
292
294
295
296
296
296

Thursday 18

Waning Crescent 3%

07:07

14:09

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:04, Set: 15:57, Transit: 12:01. Moon - Rise: 07:07, Set: 14:09. Civil Dark: 16:37 - 07:25. Nautical Dark: 17:20 - 06:42. Astro Dark: 18:01 - 06:01

Total Clouds (% Sky Obscured)

65
57
49
48
49
48
66
83
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

65
57
49
48
49
48
57
63
68
66
66
63
65
60
57
63
73
83
82
80
79
82
85
87

Medium Clouds (% Sky Obscured)

65
57
49
42
25
9
6
3
0
16
31
42
27
14
15
15
10
11
37
65
90
90
90
90

High Clouds (% Sky Obscured)

12
13
10
10
10
5
33
67
100
100
99
100
99
98
98
98
99
100
100
100
100
85
63
55

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
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

18
10
0
1
1
1
6
6
3
9
9
2
6
7
0
9
37
77
95
95
95
95
77
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.6
1.4
0.8
0.5
0

Wind Speed/Direction (mph)

12
11
11
11
12
13
15
14
13
12
11
11
12
14
16
19
21
23
25
24
23
23
24
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
88
91
88
88
88
84
82
81
83
83
84
84
84
84
85
85
85
87
87
90
88
90

Pressure (mb)

1012
1012
1013
1014
1014
1014
1014
1013
1012
1011
1011
1010
1010
1009
1007
1006
1005
1003
1002
1001
1000
999
998
997

Ozone (du)

295
295
295
295
291
288
284
282
279
276
274
271
269
268
267
266
267
269
271
279
286
293
296
299

Friday 19

Waning Crescent 1%

08:11

14:50

Sun - Rise: 08:05, Set: 15:58, Transit: 12:01. Moon - Rise: 08:11, Set: 14:50. Civil Dark: 16:38 - 07:25. Nautical Dark: 17:20 - 06:42. Astro Dark: 18:01 - 06:02

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 Cliddesden, Hampshire, United Kingdom (51.24,-1.10)

Generated: 13/12/25 05:21:34. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+0.00