Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 6%

10:26

18:08

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:17, Set: 16:02, Transit: 12:09. Moon - Rise: 10:26, Set: 18:08. Civil Dark: 16:43 - 07:36. Nautical Dark: 17:26 - 06:52. Astro Dark: 18:08 - 06:11

Total Clouds (% Sky Obscured)

100
98
100
84
100
100
67
63
100
100
100
97
96
97
100
100
94
100
92
95
98
98
100
100

Low Clouds (% Sky Obscured)

91
98
98
77
75
80
67
63
79
80
76
76
77
75
57
39
39
69
78
87
90
92
100
100

Medium Clouds (% Sky Obscured)

22
28
57
0
0
0
2
2
38
100
91
48
86
45
43
25
55
99
67
90
96
96
89
50

High Clouds (% Sky Obscured)

78
95
13
62
100
100
58
59
100
100
100
66
68
72
100
100
87
100
75
67
82
90
96
78

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
9
47
4
2
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
19
20
8
8
6
0
0
1
9
0
2
5
2
6
6
1
11
6
1
2
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
95
95
96
96
93
90
87
85
88
93
95
96
94
94
96
94
94
94
94
91
90

Pressure (mb)

1003
1004
1004
1005
1006
1007
1007
1008
1008
1008
1008
1008
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014

Ozone (du)

380
381
382
386
388
388
392
392
394
394
390
386
381
377
372
366
363
361
360
361
360
360
360
358

Tuesday 23

Waxing Crescent 12%

10:47

19:26

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:17, Set: 16:02, Transit: 12:10. Moon - Rise: 10:47, Set: 19:26. Civil Dark: 16:43 - 07:36. Nautical Dark: 17:27 - 06:53. Astro Dark: 18:08 - 06:11

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
97
99
88
87
88

Low Clouds (% Sky Obscured)

100
100
93
100
100
100
100
100
100
100
100
96
100
100
100
100
100
100
100
94
98
88
87
88

Medium Clouds (% Sky Obscured)

46
48
54
60
53
57
85
70
56
59
63
55
16
12
31
32
36
37
24
22
32
2
2
2

High Clouds (% Sky Obscured)

49
88
89
58
100
99
91
83
91
81
33
9
6
2
1
0
0
0
0
0
0
0
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
2
6
45
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
5
0
0
0
0
0
0
0
0
0
0
0
0
3
4
5
4
4
1
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
94
94
96
94
91
88
86
85
82
82
81
81
91
94
93
93
93
91
89
86
86

Pressure (mb)

1015
1015
1016
1016
1017
1018
1019
1020
1020
1020
1021
1021
1022
1023
1024
1025
1026
1026
1027
1028
1028
1029
1029
1030

Ozone (du)

353
350
346
344
344
345
344
345
345
347
347
345
342
340
338
336
335
333
333
333
331
330
326
319

Wednesday 24

Waxing Crescent 19%

11:03

20:45

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

Sun - Rise: 08:17, Set: 16:03, Transit: 12:10. Moon - Rise: 11:03, Set: 20:45. Civil Dark: 16:44 - 07:37. Nautical Dark: 17:27 - 06:53. Astro Dark: 18:09 - 06:12

Total Clouds (% Sky Obscured)

81
85
85
80
74
71
79
67
58
38
58
82
57
8
60
49
56
57
59
51
53
54
57
55

Low Clouds (% Sky Obscured)

81
84
85
80
74
71
79
61
53
38
48
74
51
8
60
49
56
57
59
51
53
54
57
55

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
3
65
58
15
15
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
2
5
6
3
6
15
45
45
11
45
50
33
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
85
93
93
91
86
83
82
80
79
80
82
86
89
91
89
93
94
93
93
93
94
94

Pressure (mb)

1030
1030
1031
1032
1033
1034
1034
1034
1034
1034
1034
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035

Ozone (du)

316
317
316
314
314
314
314
315
318
320
320
317
316
317
316
317
319
319
318
317
319
321
321
321

Thursday 25

Waxing Crescent 28%

11:16

22:04

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

Sun - Rise: 08:18, Set: 16:04, Transit: 12:11. Moon - Rise: 11:16, Set: 22:04. Civil Dark: 16:44 - 07:37. Nautical Dark: 17:28 - 06:53. Astro Dark: 18:09 - 06:12

Total Clouds (% Sky Obscured)

53
45
38
42
50
41
33
25
30
31
28
26
22
19
13
7
1
8
16
22
28
33
41
42

Low Clouds (% Sky Obscured)

53
45
38
42
50
41
33
25
30
31
28
26
22
19
13
7
0
8
16
22
28
33
41
42

Medium 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

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 (%)

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
12
13
14
14
15
16
17
18
18
17
17
15
14
14
12
11
10
9
9
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
93
91
86
82
79
76
76
76
79
80
83
81
81
83
83
84
84
84
86
89

Pressure (mb)

1034
1034
1034
1033
1033
1033
1033
1032
1031
1031
1030
1030
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

321
323
324
329
330
330
331
333
334
334
335
337
338
337
337
339
339
339
339
340
342
349
351
349

Friday 26

Waxing Crescent 39%

11:27

23:23

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

Sun - Rise: 08:18, Set: 16:05, Transit: 12:11. Moon - Rise: 11:27, Set: 23:23. Civil Dark: 16:45 - 07:37. Nautical Dark: 17:29 - 06:54. Astro Dark: 18:10 - 06:12

Total Clouds (% Sky Obscured)

42
45
45
43
41
43
45
46
40
37
34
34
32
32
54
61
71
82
83
83
86
89
92
92

Low Clouds (% Sky Obscured)

42
45
45
43
41
43
45
46
40
37
34
34
32
32
54
61
71
82
83
83
86
89
92
90

Medium 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
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
8
7
8
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)

6
6
6
6
6
6
7
9
10
10
10
10
10
9
9
11
10
10
10
10
9
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
94
92
91
83
78
74
76
76
79
86
93
93
93
94
94
96
96
96
89
85
79

Pressure (mb)

1032
1032
1032
1033
1033
1034
1034
1034
1033
1033
1033
1033
1033
1034
1034
1037
1037
1038
1038
1038
1038
1038
1038
1038

Ozone (du)

347
346
345
344
343
344
342
341
340
340
340
339
340
340
340
340
339
338
338
338
337
338
339
340

Saturday 27

First Quarter 50%

11:38

00:44

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:18, Set: 16:05, Transit: 12:12. Moon - Rise: 11:38, Set: 00:44. Civil Dark: 16:46 - 07:37. Nautical Dark: 17:30 - 06:54. Astro Dark: 18:11 - 06:13

Total Clouds (% Sky Obscured)

92
92
94
96
98
98
98
99
100
100
100
95
93
92
96
96
94
95
95
96
92
90
86
86

Low Clouds (% Sky Obscured)

86
83
84
85
87
89
92
94
96
98
100
95
93
92
96
96
94
95
95
96
92
88
85
86

Medium Clouds (% Sky Obscured)

2
1
3
4
12
41
66
79
68
60
51
46
35
21
15
9
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
2
2
8
10
15
11
8
4
5
3
1
2
3
4
9
14
20
26
32
34
26

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
1
2
3
3
4
4
4
2
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
12
12
12
12
12
12
12
12
12
13
14
13
12
11
11
11
10
10
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
2
2
2
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2

Relative Humidity (%)

79
78
76
79
82
83
82
81
79
76
75
74
79
83
89
88
88
88
85
82
79
79
80
80

Pressure (mb)

1038
1039
1039
1039
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1041
1040
1040
1040
1040
1040
1039

Ozone (du)

339
339
339
339
339
338
338
338
338
336
334
331
329
328
326
326
326
326
326
325
324
323
321
320

Sunday 28

Waxing Gibbous 61%

11:50

02:09

Sun - Rise: 08:18, Set: 16:06, Transit: 12:12. Moon - Rise: 11:50, Set: 02:09. Civil Dark: 16:47 - 07:38. Nautical Dark: 17:30 - 06:54. Astro Dark: 18:12 - 06:13

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 Little Dewchurch, Herefordshire, United Kingdom (51.97,-2.69)

Generated: 22/12/25 04:12:14. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+0.00