Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

80
84
81
83
90
99
97
93
96
95
97
91
100
98
91
90
92
96
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
80
80
72
70
73
92
83
81
84
92
86
100
97
79
88
86
91
97
99
100
100
100
93

Medium Clouds (% Sky Obscured)

71
67
37
41
37
79
77
21
22
24
12
0
18
0
0
5
7
72
69
90
94
100
100
100

High Clouds (% Sky Obscured)

76
46
62
50
22
10
17
73
85
83
52
65
89
77
86
70
73
66
82
85
100
100
100
56

ISS Passover

Visibility (miles)

9
9
9
9
1
7
3
0
9
9
3
0
0
0
0
3
9
9
9
3
0
0
0
0

Fog (%)

43
23
8
1
1
0
2
7
62
67
73
83
81
72
59
64
80
83
100
100
72
72
63
32

Precipitation Type

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

Precipitation Probability (%)

1
2
1
1
2
6
8
7
3
2
3
2
4
2
2
2
2
2
7
5
10
57
86
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

295
300
301
303
308
310
311
315
314
313
313
316
320
325
328
333
340
346
349
351
351
352
354
355

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
100
99
97
97
98
93
95
96
97
100
100
100
95
94
96
92
93

Low Clouds (% Sky Obscured)

95
100
100
100
100
100
100
90
91
86
93
93
85
85
81
90
82
94
85
81
84
92
80
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
96
94
81
78
81
69
37
28
74
100
72
53
47
40
37
32

High Clouds (% Sky Obscured)

100
100
100
100
95
97
98
95
62
54
12
41
36
40
62
50
46
38
92
29
12
4
22
62

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
0
0
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
7
6
26
62
66
78
66
88
44
0
0
0
0
0
0
0
0
1
1
0
8
65
63

Precipitation Type

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

Precipitation Probability (%)

86
84
77
61
32
14
1
1
0
5
1
0
0
0
0
0
0
0
0
0
0
1
0
0

Precipitation Amount (mm)

0.4
0.5
0.4
0.2
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
11
10
11
10
9
10
10
10
11
10
10
9
9
9
8
7
7
6
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
98
96
98
98
96
93
90
93
93
87
85
86
88
90
94
94
96
96
98

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016

Ozone (du)

354
355
356
357
357
356
356
357
359
361
362
365
365
365
363
359
354
351
347
342
338
337
337
335

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)

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

Low Clouds (% Sky Obscured)

84
82
83
85
84
81
70
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Medium Clouds (% Sky Obscured)

30
28
19
37
31
34
52
52
57
57
57
52
49
82
100
100
100
100
100
100
97
92
88
91

High Clouds (% Sky Obscured)

63
52
48
38
11
51
65
94
77
95
100
84
86
78
74
69
68
77
84
92
77
65
51
62

ISS Passover

Visibility (miles)

9
9
4
7
1
1
9
9
9
9
9
9
9
9
9
9
9
9
9
5
5
5
0
0

Fog (%)

62
2
6
2
3
2
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
0
1
2
9
15
26
36
38
61
73
71
64
61
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
100
98
96
94
94
91
90
88
88
88
86
88
91
93
93
94
96
98
98
98

Pressure (mb)

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

Ozone (du)

334
333
331
328
326
328
330
333
335
332
326
320
316
317
324
327
323
323
324
324
322
320
319
320

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
95
91
88
91
93
95
95
95
94
88
91
72
50
49
53
65
80
88
87
88
91
87

Low Clouds (% Sky Obscured)

89
83
81
78
75
77
79
81
81
79
78
77
77
72
50
49
53
65
77
73
72
71
70
68

Medium Clouds (% Sky Obscured)

92
92
84
67
54
49
50
38
20
14
8
14
17
18
7
3
3
4
3
2
0
0
0
0

High Clouds (% Sky Obscured)

81
100
75
53
24
17
13
10
15
22
12
4
6
3
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
8
9
9
8
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 (%)

45
31
24
30
26
14
8
11
6
11
4
13
8
3
9
11
7
6
4
3
4
5
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)

6
6
6
7
7
7
7
7
6
6
6
6
6
5
5
5
5
5
5
5
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
94
94
94
93
93
91
91
89
86
85
85
86
88
93
94
94
93
86
77
79
76
75

Pressure (mb)

1030
1031
1032
1032
1033
1033
1034
1035
1036
1037
1037
1038
1038
1038
1038
1038
1039
1039
1039
1040
1040
1040
1040
1040

Ozone (du)

321
320
320
322
324
324
325
327
327
328
326
325
323
323
323
321
317
318
318
315
314
313
311
308

Thursday 25

Waxing Crescent 28%

11:22

21:58

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
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)

90
88
84
82
82
81
52
34
29
38
33
42
49
56
68
81
95
94
94
92
85
77
74
63

Low Clouds (% Sky Obscured)

67
66
63
57
52
56
52
34
29
38
33
42
49
53
59
66
73
72
70
69
68
67
67
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
7
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
67
74
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
None
None
None
None
None
None
None

Precipitation Probability (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
2
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
74
73
74
72
77
84
88
86
82
79
79
79
77
79
82
85
85
85
86
88
89
91

Pressure (mb)

1040
1040
1040
1040
1039
1039
1039
1039
1040
1039
1039
1038
1038
1038
1037
1037
1037
1037
1037
1037
1037
1037
1036
1036

Ozone (du)

305
304
304
302
301
303
305
306
307
307
308
308
308
309
309
309
309
310
311
312
313
313
313
313

Friday 26

Waxing Crescent 39%

11:29

23:22

01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 Good
11 Good
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: 08:36, 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)

44
26
21
16
15
13
8
7
7
8
8
9
23
66
69
63
53
61
68
76
80
84
88
86

Low Clouds (% Sky Obscured)

44
26
21
16
15
13
8
7
7
8
8
9
23
66
69
63
53
61
68
76
79
81
83
83

Medium Clouds (% Sky Obscured)

44
26
21
16
15
13
8
0
0
0
0
0
0
0
0
0
0
0
0
0
8
16
18
14

High Clouds (% Sky Obscured)

44
26
21
16
15
13
8
0
0
0
0
0
0
0
0
0
0
1
2
3
7
10
12
13

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 (%)

6
2
5
4
3
9
9
8
10
9
4
10
11
5
3
4
1
5
4
3
7
8
5
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
2
1
1
1
0
0
1
1
1
1
2
1
2
2
2
2
2
2

Relative Humidity (%)

91
91
91
91
91
91
91
91
91
86
80
76
80
82
86
88
91
93
93
91
91
89
88
88

Pressure (mb)

1036
1036
1036
1035
1035
1035
1036
1036
1036
1036
1036
1036
1037
1037
1037
1038
1038
1039
1040
1040
1041
1041
1042
1042

Ozone (du)

313
314
314
315
316
317
317
317
318
317
316
316
315
315
315
314
314
314
312
310
308
308
307
307

Saturday 27

First Quarter 50%

11:36

00:48

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)

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: 21/12/25 01:48:59. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+0.00