Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:23

16:26

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
06 Bad
07 Bad
08 Bad
09 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)

98
99
100
99
98
100
99
100
95
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
99
97
97
96
100
98
100
87
96
100
100
100
100
92
95
99
89
100
100
100
100
100
86

Medium Clouds (% Sky Obscured)

19
21
31
30
33
27
20
31
25
25
26
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

89
50
44
49
26
91
57
58
69
72
95
100
100
100
100
93
100
100
100
87
84
100
92
95

ISS Passover

Visibility (miles)

1
9
9
1
0
1
0
0
0
0
9
7
1
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

58
70
74
83
80
79
78
81
72
72
93
100
59
58
0
0
2
58
9
63
70
60
59
58

Precipitation Type

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

Precipitation Probability (%)

0
0
0
5
6
13
4
4
3
2
4
17
71
95
95
95
95
95
93
59
34
18
24
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
1.2
1.3
1.2
1.3
0.5
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1009
1010
1010

Ozone (du)

317
319
322
323
328
329
333
338
347
351
353
354
354
354
355
355
356
356
358
360
360
359
359
360

Monday 22

Waxing Crescent 6%

10:47

17:47

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:35, Set: 15:43, Transit: 12:09. Moon - Rise: 10:47, Set: 17:47. Civil Dark: 16:28 - 07:50. Nautical Dark: 17:16 - 07:02. Astro Dark: 18:01 - 06:17

Total Clouds (% Sky Obscured)

99
99
97
100
100
100
100
95
95
93
97
93
99
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
93
91
88
85
83
70
85
86
82
70
78
89
87
90
85
87
97
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

79
28
21
23
29
36
34
18
14
38
54
84
85
88
39
50
49
57
83
100
91
91
93
87

High Clouds (% Sky Obscured)

96
73
40
100
98
90
99
78
45
30
80
55
85
61
69
74
63
64
93
98
18
61
94
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
4
1
1
4
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

38
0
0
0
0
0
0
0
1
0
11
69
61
63
37
20
13
7
4
2
1
1
1
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
91
90
91
94
98
98
98
98
98
96
96
94
93
93
91
91
91
90
89
90
90
90

Pressure (mb)

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

Ozone (du)

362
364
366
370
370
366
359
353
349
347
347
342
338
332
328
326
328
329
330
328
324
325
323
325

Tuesday 23

Waxing Crescent 12%

11:03

19:11

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:36, 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
99
98
100
100
100
100
100
100
100
100
100
100
100
100
98
87
88
80
82
84
87
85

Low Clouds (% Sky Obscured)

100
100
97
86
88
96
94
100
100
100
100
100
100
100
100
100
91
72
80
68
73
78
83
82

Medium Clouds (% Sky Obscured)

96
96
61
39
46
36
51
89
88
78
96
89
85
86
88
89
90
70
14
35
11
6
3
2

High Clouds (% Sky Obscured)

83
67
53
40
50
59
89
59
36
51
73
50
75
98
84
83
71
3
3
2
4
5
35
35

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
1
2
2
3
2
4
6
20
25
35
65
60
36
17
2
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
5
5
5
5
5
5
5
6
6
5
5
5
5
5
5
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
85
83
85
85
85
83
83
82
85
88
85
86
90
91
94
96
96
94
94
94
94
96

Pressure (mb)

1022
1023
1023
1023
1024
1025
1025
1026
1027
1028
1028
1029
1030
1030
1031
1032
1032
1033
1033
1034
1034
1035
1036
1037

Ozone (du)

329
330
328
325
322
323
325
324
326
324
321
320
317
317
318
315
314
313
312
313
311
312
312
307

Wednesday 24

Waxing Crescent 19%

11:14

20:35

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

Total Clouds (% Sky Obscured)

84
82
79
75
67
58
49
40
43
41
42
36
49
61
49
45
69
78
85
80
82
84
67
68

Low Clouds (% Sky Obscured)

82
81
78
74
67
58
49
40
43
41
42
36
49
61
49
45
69
71
66
60
65
69
67
68

Medium Clouds (% Sky Obscured)

1
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)

40
38
30
23
4
1
0
1
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
1
0
2
0
2
2
0
3
5
1
2
1
0
2
3
0
0
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
88
88
89
93
94
94
94
94
93
94
93
94
94
94
93
91
91
88
85
86
88
91

Pressure (mb)

1037
1038
1038
1038
1038
1038
1039
1039
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1039
1039
1039
1039
1039

Ozone (du)

304
301
301
300
299
299
299
299
299
300
297
296
295
295
296
297
297
297
299
299
300
302
304
304

Thursday 25

Waxing Crescent 28%

11:22

21:58

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

Total Clouds (% Sky Obscured)

87
90
88
93
93
91
89
87
89
90
47
36
40
38
39
36
34
29
23
21
22
23
29
29

Low Clouds (% Sky Obscured)

69
66
71
76
81
78
74
71
74
77
47
36
40
38
39
36
34
29
23
21
22
23
29
29

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
22
23
29
29

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
2
2
3
3
3
1
2
1
0
5
5
0
12
11
4
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
79
77
82
79
86
88
86
88
86
83
91
93
94
94
96
94
94
92
92
92
92
91
91

Pressure (mb)

1039
1039
1038
1038
1038
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

303
305
305
304
304
304
303
304
305
307
307
308
309
310
311
312
314
315
317
319
321
322
323
325

Friday 26

Waxing Crescent 39%

11:29

23:22

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

Sun - Rise: 08:36, Set: 15:45, Transit: 12:11. Moon - Rise: 11:29, Set: 23:22. Civil Dark: 16:31 - 07:51. Nautical Dark: 17:19 - 07:03. Astro Dark: 18:04 - 06:18

Total Clouds (% Sky Obscured)

29
39
38
28
23
18
14
14
14
10
10
10
10
9
10
25
67
78
81
79
83
87
92
85

Low Clouds (% Sky Obscured)

29
39
38
28
23
18
14
14
14
10
10
10
10
9
10
25
67
78
81
79
83
87
92
85

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
6
8
5
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

29
39
38
28
23
18
14
6
5
4
3
2
1
0
0
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
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 (%)

23
10
11
12
12
13
11
3
6
5
1
6
4
2
7
5
2
3
3
1
8
7
3
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
5
5
5
6
5
6
3
2
2
2
1
1
0
-1
-0
-1
0
0
-1
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
85
86
89
91
91
93
93
91
93
93
94
93
94
93
94
93
93
91
89
89
86

Pressure (mb)

1035
1035
1035
1035
1035
1035
1035
1035
1036
1036
1036
1037
1037
1037
1038
1038
1038
1038
1038
1038
1038
1039
1039
1039

Ozone (du)

326
328
330
332
334
336
337
337
337
338
338
339
338
338
337
337
336
335
335
335
334
332
330
328

Saturday 27

First Quarter 50%

11:36

00:48

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: 08:36, Set: 15:46, Transit: 12:11. Moon - Rise: 11:36, Set: 00:48. Civil Dark: 16:32 - 07:51. Nautical Dark: 17:20 - 07:03. Astro Dark: 18:04 - 06:18

Total Clouds (% Sky Obscured)

77
64
55
55
64
70
80
97
95
93
91
81
70
62
70
78
88
86
87
89

Low Clouds (% Sky Obscured)

77
64
55
55
64
70
80
91
91
88
90
81
70
62
70
78
88
86
87
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
1
1
12
33
63
58
49
43
37
32
26
14
10
4
4
5
6

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
3
8
5
2
10
11
11
12
12
11
10
8
3
4
3
1
4
2
1

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
78
80
82
86
88
88
89
91
93
96
96
94
93
91
88
88
86
88

Pressure (mb)

1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1038
1038
1038
1037
1037
1037

Ozone (du)

328
328
328
325
321
317
312
307
302
300
299
298
299
299
300
298
297
295
295
294

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

Generated: 21/12/25 10:54:21. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+0.00