Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 0%

09:14

14:50

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 Good
22 OK
23 OK
00 OK
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 OK

Sun - Rise: 08:13, Set: 15:59, Transit: 12:06. Moon - Rise: 09:14, Set: 14:50. Civil Dark: 16:40 - 07:32. Nautical Dark: 17:23 - 06:49. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

53
52
56
57
38
27
9
10
20
26
27
40
48
45
55
62
49
68
63
55
57
53
44
32

Low Clouds (% Sky Obscured)

53
52
56
57
38
27
9
10
20
26
27
40
48
45
55
62
49
68
63
55
57
53
44
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
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 (%)

1
5
16
2
0
0
0
0
0
0
0
0
0
0
1
1
11
3
0
0
1
5
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)

13
11
10
9
8
8
7
6
6
6
5
5
5
6
6
7
7
8
8
10
12
13
14
15

Chance of Frost

Temperature (°C)

10
10
8
8
7
7
7
7
6
6
5
5
6
6
6
6
6
6
6
6
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
95
94
94
96
94
94
93
93
93
94
93
94
94
94
96
96
94
93
90
88
84

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1011
1010
1009
1008
1007

Ozone (du)

313
296
289
284
278
277
281
283
285
287
289
287
284
282
280
279
281
285
286
285
283
285
290
293

Saturday 20

New Moon 2%

09:54

15:45

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:14, Set: 15:59, Transit: 12:07. Moon - Rise: 09:54, Set: 15:45. Civil Dark: 16:40 - 07:33. Nautical Dark: 17:24 - 06:49. Astro Dark: 18:05 - 06:08

Total Clouds (% Sky Obscured)

52
87
100
81
93
97
99
97
95
98
100
100
100
100
100
100
97
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

52
50
53
51
58
59
68
80
69
90
70
63
62
62
68
60
65
74
52
53
55
50
64
66

Medium Clouds (% Sky Obscured)

0
0
1
79
78
95
68
95
56
97
93
99
41
38
47
48
46
100
100
100
100
100
96
92

High Clouds (% Sky Obscured)

4
30
98
48
77
42
12
0
20
24
100
100
100
100
100
100
94
93
23
100
100
100
47
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
7
7
5
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
34
65
84
100
37
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
9
25
39
52
55
35
39
17
1
0
0
0
0
1
4
23
54
86
95
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.8
0.5

Wind Speed/Direction (mph)

15
14
14
15
16
17
17
17
17
13
11
9
8
7
6
6
6
6
7
7
7
7
8
9

Chance of Frost

Temperature (°C)

8
8
7
6
6
6
6
6
7
8
8
8
8
8
7
7
7
7
7
7
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
85
90
93
88
88
91
91
88
90
90
91
91
91
91
93
93
94
96
94
94
95
96

Pressure (mb)

1006
1005
1005
1004
1004
1003
1003
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004
1005
1005
1005
1004
1004

Ozone (du)

294
298
301
303
308
311
311
307
313
313
307
309
314
324
320
323
333
346
360
372
384
389
393
391

Sunday 21

Waxing Crescent 2%

10:24

16:52

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:14, Set: 16:00, Transit: 12:07. Moon - Rise: 10:24, Set: 16:52. Civil Dark: 16:41 - 07:33. Nautical Dark: 17:24 - 06:50. Astro Dark: 18:05 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
97
78
100
95
92
96
97
99

Low Clouds (% Sky Obscured)

98
70
77
67
68
66
66
72
76
62
72
84
87
95
100
91
92
72
74
88
85
84
84
75

Medium Clouds (% Sky Obscured)

100
88
100
79
100
100
100
100
100
100
100
100
100
100
96
25
17
58
98
27
65
66
43
82

High Clouds (% Sky Obscured)

100
46
92
100
100
100
100
100
100
100
100
100
96
51
5
33
56
9
77
17
23
26
52
72

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

65
45
26
22
27
10
28
37
39
32
40
71
68
58
65
17
7
2
4
2
4
5
11
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
6
7
7
7
7
7
7
7
6
6
7
6
7

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

388
385
385
385
386
390
392
393
394
395
395
395
397
398
400
403
406
411
411
408
408
410
412
409

Monday 22

Waxing Crescent 6%

10:45

18:07

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:14, Set: 16:01, Transit: 12:08. Moon - Rise: 10:45, Set: 18:07. Civil Dark: 16:41 - 07:34. Nautical Dark: 17:25 - 06:50. Astro Dark: 18:06 - 06:09

Total Clouds (% Sky Obscured)

100
98
97
96
82
61
62
68
94
97
98
99
100
100
96
71
64
62
61
56
56
54
51
52

Low Clouds (% Sky Obscured)

70
71
73
74
75
61
62
68
83
84
89
95
100
100
96
71
64
62
61
56
56
54
51
52

Medium Clouds (% Sky Obscured)

32
51
89
77
39
38
38
42
42
42
41
40
43
46
45
48
48
48
48
32
16
0
0
0

High Clouds (% Sky Obscured)

96
79
63
26
17
9
1
2
19
20
18
21
33
58
78
68
53
50
47
31
15
0
2
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 (%)

20
11
11
13
15
12
3
5
5
1
3
3
0
0
0
0
4
5
5
9
10
10
15
17

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
5
4
4
5
6
7
8
8
9
9
9
9
10
11
12
13
12
12
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
94
94
96
94
93
91
91
88
88
89
89
93
93
94
94
89
88
85
84

Pressure (mb)

1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012

Ozone (du)

403
400
394
394
397
394
384
377
367
356
344
332
330
331
331
333
336
337
337
338
339
341
344
347

Tuesday 23

Waxing Crescent 12%

11:01

19:25

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:15, Set: 16:01, Transit: 12:08. Moon - Rise: 11:01, Set: 19:25. Civil Dark: 16:42 - 07:34. Nautical Dark: 17:25 - 06:51. Astro Dark: 18:06 - 06:10

Total Clouds (% Sky Obscured)

58
67
80
79
80
79
74
76
82
87
90
91
92
91
90
87
80
84
87
79
72
65
67
69

Low Clouds (% Sky Obscured)

58
67
80
79
80
79
74
76
82
85
86
87
89
86
85
83
73
78
83
78
72
65
67
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
18
29
31
49
30
3
8
23
32
42
28
14
3
5
8

High Clouds (% Sky Obscured)

1
2
2
2
3
2
2
1
15
6
0
3
7
9
7
13
23
17
10
4
2
1
2
3

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 (%)

17
16
16
14
14
14
14
12
9
2
1
13
16
14
7
1
3
3
0
2
2
1
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
93
94
94
94
94
94
94
96
96
98
96
93
91
89
89
89
89
88
88
86
86

Pressure (mb)

1012
1013
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1023
1024
1024
1024
1024
1025

Ozone (du)

350
351
352
352
353
352
353
353
356
358
358
357
354
350
350
349
349
351
353
355
356
358
360
358

Wednesday 24

Waxing Crescent 19%

11:14

20:43

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:15, Set: 16:02, Transit: 12:09. Moon - Rise: 11:14, Set: 20:43. Civil Dark: 16:42 - 07:35. Nautical Dark: 17:26 - 06:51. Astro Dark: 18:07 - 06:10

Total Clouds (% Sky Obscured)

73
80
87
93
93
94
81
48
34
20
20
33
50
50
54
49
55
56
58
72
86
91
91
86

Low Clouds (% Sky Obscured)

65
69
76
84
86
88
81
48
34
20
20
33
50
50
54
49
55
56
58
72
79
77
80
79

Medium Clouds (% Sky Obscured)

10
13
14
7
4
4
5
5
9
4
17
24
23
22
15
7
8
5
10
10
15
20
20
20

High Clouds (% Sky Obscured)

5
5
4
1
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
2
0
26
37
44
44
45
46
39
31
21
20
18
17
20
23
25
31
37
40
40
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
88
88
88
86
84
83
83
83
81
84
84
84
86
88
89
89
89
88
83
79
76
76

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1025
1025

Ozone (du)

357
356
359
362
365
361
358
354
352
350
347
345
344
342
340
338
336
336
336
336
334
333
331
330

Thursday 25

Waxing Crescent 28%

11:25

22:02

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

Sun - Rise: 08:15, Set: 16:02, Transit: 12:09. Moon - Rise: 11:25, Set: 22:02. Civil Dark: 16:43 - 07:35. Nautical Dark: 17:27 - 06:51. Astro Dark: 18:08 - 06:10

Total Clouds (% Sky Obscured)

81
79
73
66
68
64
66
64
58
52
39
15
10
6
7
7
8
9
14
19
19
24

Low Clouds (% Sky Obscured)

78
78
73
66
68
64
66
64
58
52
39
15
10
6
7
7
8
9
14
19
19
19

Medium Clouds (% Sky Obscured)

20
19
18
12
13
14
20
30
27
23
27
15
10
6
7
7
8
9
14
14
12
9

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

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

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

Precipitation Probability (%)

39
38
36
34
33
32
32
31
28
25
24
22
18
16
13
7
12
13
14
14
12
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
85
88
93
91
92
91
91
89
91
91
91
91
91
89
87
86
84
83
78
73

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

329
329
327
324
322
321
320
319
321
322
324
322
320
318
317
316
316
316
317
318
319
320

Forecast for Abbeymead, Gloucestershire, United Kingdom (51.85,-2.21)

Generated: 19/12/25 14:27:13. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+0.00