Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 0%

09:46

15:15

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 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:34, Set: 15:41, Transit: 12:08. Moon - Rise: 09:46, Set: 15:15. Civil Dark: 16:27 - 07:48. Nautical Dark: 17:15 - 07:00. Astro Dark: 18:00 - 06:16

Total Clouds (% Sky Obscured)

96
90
84
80
77
86
79
73
48
21
20
23
29
50
71
90
96
74
74
89
86
100
79
82

Low Clouds (% Sky Obscured)

65
62
66
73
77
73
56
55
48
21
20
23
29
50
71
90
96
65
74
88
74
82
74
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
12
15
16
0
0
0
0
0
2
17
13
7
0
0
24
96
19
26

High Clouds (% Sky Obscured)

35
5
33
41
23
23
65
44
4
2
4
4
0
3
0
0
0
0
0
23
65
75
57
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
0
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
58
65
73
94
88
66
58
23

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
1
10
2
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)

8
7
6
5
4
4
4
4
4
3
3
4
4
4
4
4
5
6
6
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
96
98
98
93
94
94
94
91
86
86
90
94
96
96
100
98
91
86
85
91
94

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1008

Ozone (du)

276
272
268
272
269
269
273
277
280
282
285
281
283
284
288
294
292
289
290
290
293
297
300
300

Sunday 21

Waxing Crescent 2%

10:23

16:26

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
00 Bad

Sun - Rise: 08:35, Set: 15:42, Transit: 12:08. Moon - Rise: 10:23, Set: 16:26. Civil Dark: 16:28 - 07:49. Nautical Dark: 17:16 - 07:01. Astro Dark: 18:01 - 06:16

Total Clouds (% Sky Obscured)

84
91
96
97
98
98
99
100
100
80
82
100
100
100
95
87
91
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
74
82
91
88
97
97
100
100
80
79
100
100
100
85
77
83
92
100
100
99
98
96
100

Medium Clouds (% Sky Obscured)

22
44
61
64
51
39
47
45
47
5
6
28
14
11
10
81
63
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

12
2
19
7
8
21
43
74
64
51
65
69
75
69
68
52
58
100
100
100
100
100
100
86

ISS Passover

Visibility (miles)

9
9
9
0
9
9
9
9
9
9
9
9
9
9
9
9
5
5
4
0
0
0
0
0

Fog (%)

1
0
1
6
5
4
4
13
63
60
71
81
63
71
2
76
6
29
73
62
46
21
0
1

Precipitation Type

None
None
None
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

Precipitation Probability (%)

0
2
6
13
15
7
9
9
2
1
1
0
0
0
1
1
2
3
17
56
90
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.9
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
96
96
94
91
90
93
96
94
96
96
94
94
96
96
98
98
98
98
98
96
98
98

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

303
305
307
308
309
315
325
326
329
328
329
330
332
334
336
339
345
354
362
365
363
360
358
357

Monday 22

Waxing Crescent 6%

10:47

17:47

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
00 Bad

Sun - Rise: 08:35, Set: 15:43, Transit: 12:09. Moon - Rise: 10:47, Set: 17:47. Civil Dark: 16:28 - 07:49. Nautical Dark: 17:16 - 07:01. Astro Dark: 18:01 - 06:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
99
94
91
96
100
96
97
99
99
98
97
98
99
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
96
93
90
92
90
89
84
85
87
88
87
90
91
92
93
95
98
100
100

Medium Clouds (% Sky Obscured)

100
99
100
98
100
99
100
94
87
71
41
14
0
0
3
26
26
31
34
41
30
19
1
1

High Clouds (% Sky Obscured)

62
100
65
69
75
75
92
78
83
98
82
78
95
100
89
87
96
79
59
35
27
21
37
13

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
16
23
73
72
63
43
2
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
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 (%)

88
48
21
16
19
35
35
25
6
5
3
0
0
0
0
0
0
0
1
0
1
1
0
0

Precipitation Amount (mm)

0.5
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
9
8
9
9
9
9
9
9
7
6
5
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
96
96
96
96
94
93
93
93
93
93
94
96
98
98
96
98
98
98
96
96

Pressure (mb)

1008
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1012
1012
1012
1013
1013

Ozone (du)

356
356
356
357
358
361
362
364
367
369
372
376
378
380
380
375
371
371
367
361
356
351
345
340

Tuesday 23

Waxing Crescent 12%

11:03

19:11

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
00 Bad

Sun - Rise: 08:35, Set: 15:43, Transit: 12:09. Moon - Rise: 11:03, Set: 19:11. Civil Dark: 16:29 - 07:50. Nautical Dark: 17:17 - 07:02. Astro Dark: 18:02 - 06:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
93
99
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
93
95
97

Medium Clouds (% Sky Obscured)

1
1
1
20
25
40
46
71
57
47
53
60
70
81
83
85
86
88
92
95
88
51
41
80

High Clouds (% Sky Obscured)

47
43
34
29
16
30
50
70
79
87
94
82
76
63
60
62
42
31
20
8
6
3
4
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
3
4
1
9
9
9
9
8
5
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
3
3
12
14
20
33
47
43
28
25
20
18
14
10
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
6
5
6
6
5
5
5
5
5
5
5
5

Relative Humidity (%)

96
96
96
96
96
96
98
96
98
98
96
94
96
94
96
98
96
96
96
96
94
96
98
98

Pressure (mb)

1013
1014
1014
1015
1015
1015
1016
1017
1018
1018
1019
1019
1019
1020
1020
1021
1022
1023
1024
1025
1025
1026
1027
1027

Ozone (du)

338
338
338
336
334
332
328
324
320
320
320
321
324
328
335
338
338
340
342
341
338
336
333
331

Wednesday 24

Waxing Crescent 19%

11:14

20:35

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
00 Bad

Sun - Rise: 08:36, Set: 15:44, Transit: 12:10. Moon - Rise: 11:14, Set: 20:35. Civil Dark: 16:30 - 07:50. Nautical Dark: 17:18 - 07:02. Astro Dark: 18:02 - 06:17

Total Clouds (% Sky Obscured)

100
100
99
99
98
97
97
95
95
95
94
92
90
88
79
67
53
64
74
83
86
89
89
86

Low Clouds (% Sky Obscured)

98
100
94
88
82
79
75
71
75
80
86
81
77
73
70
66
53
64
68
70
69
69
68
65

Medium Clouds (% Sky Obscured)

87
92
91
90
86
83
79
76
59
23
11
10
9
8
6
5
4
4
3
2
1
1
0
0

High Clouds (% Sky Obscured)

1
1
0
4
9
4
6
4
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 (%)

13
11
17
9
3
11
12
15
17
16
11
13
14
14
13
11
5
9
10
5
18
16
11
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
94
93
91
89
86
77
82
86
89
91
91
94
88
82
76
77
79
80

Pressure (mb)

1028
1029
1030
1030
1031
1031
1032
1034
1035
1035
1035
1036
1036
1036
1037
1037
1038
1038
1038
1038
1039
1038
1038
1038

Ozone (du)

330
330
330
329
329
332
334
334
333
333
331
329
327
326
325
324
324
324
322
321
320
319
319
318

Thursday 25

Waxing Crescent 28%

11:22

21:58

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
00 Bad

Sun - Rise: 08:36, Set: 15:45, Transit: 12:10. Moon - Rise: 11:22, Set: 21:58. Civil Dark: 16:30 - 07:50. Nautical Dark: 17:18 - 07:02. Astro Dark: 18:03 - 06:18

Total Clouds (% Sky Obscured)

87
87
91
95
98
98
99
99
99
100
100
81
70
85
94
97
97
96
96
96
92
89
79
76

Low Clouds (% Sky Obscured)

62
59
62
65
68
67
65
66
77
89
100
81
70
85
94
97
97
96
96
96
92
89
79
76

Medium Clouds (% Sky Obscured)

0
0
10
19
26
24
17
15
16
18
20
17
13
9
6
4
0
5
11
16
21
24
22
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
10
5
3
2
2
2
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 (%)

12
7
10
9
5
8
8
5
16
20
21
27
29
29
30
28
23
29
33
35
37
39
40
38

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)

9
9
9
10
11
11
11
11
11
11
12
12
12
11
11
11
10
10
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
73
73
73
71
73
73
73
73
73
73
76
80
83
86
89
89
91
91
93
91
91
91

Pressure (mb)

1038
1037
1037
1037
1036
1036
1036
1035
1035
1035
1034
1034
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031

Ozone (du)

315
312
309
309
310
310
310
310
309
308
306
305
304
303
302
302
303
303
304
305
305
306
306
306

Friday 26

Waxing Crescent 39%

11:29

23:22

Sun - Rise: 08:36, Set: 15:45, Transit: 12:11. Moon - Rise: 11:29, Set: 23:22. Civil Dark: 16:31 - 07:50. Nautical Dark: 17:19 - 07:03. Astro Dark: 18:04 - 06:18

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 Butteryhaugh, Northumberland, United Kingdom (55.23,-2.58)

Generated: 20/12/25 01:47:38. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+0.00