Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

11:38

22:00

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

Sun - Rise: 08:58, Set: 15:35, Transit: 12:17. Moon - Rise: 11:38, Set: 22:00. Civil Dark: 16:25 - 08:07. Nautical Dark: 17:17 - 07:16. Astro Dark: 18:04 - 06:28

Total Clouds (% Sky Obscured)

83
88
92
100
97
78
62
64
58
34
25
41
50
49
50
63
74
65
60
35
33
31
30
36

Low Clouds (% Sky Obscured)

83
88
92
100
96
77
62
60
58
34
25
41
50
49
50
63
74
65
30
33
28
19
24
33

Medium Clouds (% Sky Obscured)

3
9
0
1
8
13
26
51
20
4
4
1
1
3
6
3
0
3
4
3
6
8
8
7

High Clouds (% Sky Obscured)

76
80
80
80
75
78
62
32
9
9
7
8
6
7
15
27
41
14
60
27
9
8
7
8

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 (%)

47
49
44
33
33
29
26
26
27
34
38
39
40
39
46
61
68
41
80
91
63
56
48
41

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-4
-4
-5
-5
-5
-4
-5
-5
-5
-5
-5
-5
-4
-4
-4
-3
-4
-4
-3
-3
-3

Relative Humidity (%)

67
68
69
69
69
69
69
70
73
72
74
75
75
75
78
80
81
81
83
81
77
74
73
74

Pressure (mb)

1038
1038
1038
1038
1038
1038
1038
1038
1038
1038
1037
1037
1037
1037
1037
1037
1037
1037
1038
1038
1038
1038
1038
1038

Ozone (du)

284
285
286
287
289
289
290
292
294
294
295
295
296
296
297
298
298
299
300
300
299
298
297
296

Friday 26

Waxing Crescent 39%

11:41

23:28

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

Sun - Rise: 08:58, Set: 15:36, Transit: 12:17. Moon - Rise: 11:41, Set: 23:28. Civil Dark: 16:26 - 08:08. Nautical Dark: 17:18 - 07:16. Astro Dark: 18:05 - 06:28

Total Clouds (% Sky Obscured)

29
53
70
35
39
12
8
39
66
93
95
91
77
74
44
40
58
98
98
94
94
95
94
86

Low Clouds (% Sky Obscured)

29
31
31
30
8
0
0
39
66
88
80
71
62
67
44
40
58
94
91
79
78
76
82
67

Medium Clouds (% Sky Obscured)

6
17
27
9
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
6
5
9
39
12
8
19
19
68
68
75
48
40
15
40
46
3
9
17
18
11
46
53

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 (%)

34
40
30
27
13
9
2
6
3
1
1
1
0
1
0
0
0
27
30
4
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
1
3
4
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
78
78
80
80
80
80
80
80
80
81
81
84
84
86
86
86
83
86
86
86
88
91

Pressure (mb)

1038
1039
1039
1040
1040
1041
1041
1042
1043
1043
1043
1043
1043
1043
1044
1044
1044
1045
1045
1045
1045
1045
1045
1045

Ozone (du)

295
294
292
294
293
292
291
289
290
291
291
289
287
285
283
281
280
278
277
277
275
276
278
278

Saturday 27

First Quarter 50%

11:45

00:57

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

Sun - Rise: 08:58, Set: 15:37, Transit: 12:18. Moon - Rise: 11:45, Set: 00:57. Civil Dark: 16:27 - 08:08. Nautical Dark: 17:18 - 07:16. Astro Dark: 18:06 - 06:29

Total Clouds (% Sky Obscured)

95
90
93
89
80
76
54
51
30
30
31
27
23
32
44
63
60
43
37
44
48
51
57
68

Low Clouds (% Sky Obscured)

73
76
85
81
74
72
54
51
30
30
31
27
23
32
33
29
22
5
1
0
0
0
0
0

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)

76
45
10
10
4
5
4
4
3
2
3
5
4
12
24
52
52
43
37
44
48
51
57
68

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
26
26
27
27
31
35
19
19
19
19
19
19
19
19
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
89
80
74
77
83
81
83
83
86
87
87
87
89
89
87
89
87
84
80
74
70
69
69

Pressure (mb)

1045
1045
1045
1045
1044
1044
1044
1044
1044
1043
1043
1042
1041
1041
1040
1040
1040
1040
1040
1039
1039
1039
1038
1037

Ozone (du)

277
275
273
272
271
270
270
269
269
268
266
264
265
264
266
265
265
264
265
264
264
265
266
265

Sunday 28

Waxing Gibbous 61%

11:51

02:31

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

Sun - Rise: 08:58, Set: 15:38, Transit: 12:18. Moon - Rise: 11:51, Set: 02:31. Civil Dark: 16:28 - 08:08. Nautical Dark: 17:19 - 07:16. Astro Dark: 18:07 - 06:29

Total Clouds (% Sky Obscured)

71
72
73
77
85
89
86
66
42
34
38
41
50
60
61
78
86
86
89
93
97
88
92
91

Low Clouds (% Sky Obscured)

0
0
0
4
9
13
24
36
42
34
38
41
50
60
56
64
69
74
81
87
95
86
84
79

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)

61
57
61
72
76
81
76
51
27
16
15
19
16
25
23
18
18
16
8
4
0
1
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 (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

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
5
6
6
7
8
7
13
16
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-4
-5
-5
-6
-6
-6
-5
-4
-3
-3
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1
0
-0

Dew Point (°C)

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

Relative Humidity (%)

71
71
70
72
74
75
76
76
79
83
84
87
88
86
86
86
84
84
83
82
77
77
76
76

Pressure (mb)

1037
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035
1034
1034
1034
1034
1033
1033
1034
1034
1034
1034
1034
1034
1034

Ozone (du)

266
268
270
272
277
280
281
280
282
281
283
283
284
284
284
285
287
285
284
283
283
279
274
273

Monday 29

Waxing Gibbous 72%

11:59

04:12

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 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:57, Set: 15:39, Transit: 12:19. Moon - Rise: 11:59, Set: 04:12. Civil Dark: 16:29 - 08:08. Nautical Dark: 17:20 - 07:16. Astro Dark: 18:08 - 06:29

Total Clouds (% Sky Obscured)

84
69
81
89
87
88
91
94
96
92
95
95
93
90
88
81
61
38
46
55
63
73
83
92

Low Clouds (% Sky Obscured)

72
64
66
68
70
73
75
78
80
77
77
77
69
66
60
43
34
25
28
31
34
53
68
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
11
2
2
1
0
18
40
65

High Clouds (% Sky Obscured)

3
3
3
3
2
3
0
4
5
7
8
31
0
1
0
49
28
8
18
32
47
66
83
92

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 (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

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 (%)

15
12
7
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
16
23
28

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
4
4
3
3
2
2
3
3
4
4
4
5
6
6
7
7
8
8
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
85
85
86
85
82
80
77
76
77
77
78
78
78
78
80
80
81
80
79
76
80
85

Pressure (mb)

1034
1035
1035
1035
1036
1036
1036
1037
1037
1037
1037
1037
1037
1037
1037
1036
1034
1034
1034
1034
1033
1033
1033
1032

Ozone (du)

273
274
276
279
288
288
289
292
295
304
309
312
311
310
310
311
313
315
317
313
310
306
308
310

Tuesday 30

Waxing Gibbous 82%

12:15

05:58

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
14 Bad

Sun - Rise: 08:57, Set: 15:40, Transit: 12:19. Moon - Rise: 12:15, Set: 05:58. Civil Dark: 16:30 - 08:07. Nautical Dark: 17:21 - 07:16. Astro Dark: 18:09 - 06:29

Total Clouds (% Sky Obscured)

94
97
99
94
89
84
83
86
86
91
93
96
97
98
99
98
97
96
96
97
98
94
90
85

Low Clouds (% Sky Obscured)

84
88
92
79
68
57
56
56
55
59
64
68
72
79
84
85
87
89
91
94
97
88
80
71

Medium Clouds (% Sky Obscured)

54
51
42
46
53
52
60
69
78
80
82
83
79
80
73
61
57
53
49
44
39
37
41
44

High Clouds (% Sky Obscured)

94
94
96
76
57
37
33
29
26
44
62
80
63
45
28
29
31
27
22
17
12
14
6
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
9
9
9
9

Fog (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Precipitation Type

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

Precipitation Probability (%)

26
24
23
21
19
16
18
17
15
19
23
26
37
46
54
49
46
44
46
47
45
38
29
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
85
79
72
76
80
82
83
85
86
85
85
86
83
83
80
80
80
80
80
79
79
82
82

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1030
1030
1030
1029
1029
1029
1028
1028
1027
1026

Ozone (du)

311
313
315
316
316
316
316
317
318
319
319
318
318
317
317
316
313
311
308
308
308
308
308
308

Wednesday 31

Waxing Gibbous 91%

12:44

07:41

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

Sun - Rise: 08:57, Set: 15:41, Transit: 12:20. Moon - Rise: 12:44, Set: 07:41. Civil Dark: 16:31 - 08:07. Nautical Dark: 17:22 - 07:16. Astro Dark: 18:10 - 06:29

Total Clouds (% Sky Obscured)

86
87
88
93
96
100
100
100
100
100
100
100
93
86
80
86
94
100
97
96
96

Low Clouds (% Sky Obscured)

69
65
60
67
74
82
82
82
81
71
59
46
32
17
5
31
57
84
82
81
81

Medium Clouds (% Sky Obscured)

46
43
41
59
75
89
90
93
97
98
98
99
92
86
80
86
93
100
85
70
52

High Clouds (% Sky Obscured)

1
1
0
9
17
26
41
56
73
66
61
54
43
33
20
20
20
15
11
10
1

ISS Passover

Visibility (miles)

9
9
9
9
6
3
0
2
3
5
4
4
3
2
1
0
0
0
0
0
0

Fog (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Precipitation Type

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

Precipitation Probability (%)

17
14
7
23
35
45
51
51
47
44
42
40
46
48
48
52
56
62
65
63
54

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

5
7
8
9
9
8
9
10
11
12
12
11
10
12
13
15
15
15
16
14
13

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
3
3
3
3
3
3
3
2
2
2
2
2
2
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
89
93
96
93
89
83
88
91
93
94
94
96
93
91
89
89
88

Pressure (mb)

1026
1025
1024
1024
1023
1022
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1017

Ozone (du)

308
312
316
320
330
340
350
350
350
349
345
341
337
334
331
327
327
326
325
325
325

Forecast for Dalroy, Highland, United Kingdom (57.48,-4.07)

Generated: 25/12/25 15:10:22. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+0.00