Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 19%

11:08

19:44

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:18, Set: 16:22, Transit: 12:20. Moon - Rise: 11:08, Set: 19:44. Civil Dark: 17:01 - 07:40. Nautical Dark: 17:42 - 06:58. Astro Dark: 18:21 - 06:18

Total Clouds (% Sky Obscured)

98
93
93
100
100
100
93
92
94
91
82
76
96
96
87
90
83
82
82
83
70
64
48
47

Low Clouds (% Sky Obscured)

86
88
91
100
99
100
93
92
93
91
81
74
96
96
87
90
83
82
82
83
68
62
48
47

Medium Clouds (% Sky Obscured)

30
40
2
2
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0

High Clouds (% Sky Obscured)

51
83
85
85
8
4
3
3
4
0
0
0
0
1
3
3
3
4
3
28
70
64
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 (%)

0
0
6
15
9
17
17
9
7
16
5
6
4
8
3
2
1
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)

11
11
12
12
13
14
14
15
15
15
15
15
15
15
15
15
16
17
18
18
17
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
88
85
81
78
81
81
79
79
79
82
83
83
82
82
83
79
76
75
72
72
73
77

Pressure (mb)

1019
1021
1021
1022
1023
1023
1024
1024
1025
1025
1026
1026
1026
1027
1028
1029
1029
1029
1030
1030
1030
1030
1030
1031

Ozone (du)

351
352
352
348
345
343
338
334
331
329
325
323
323
324
325
326
324
323
321
320
320
320
322
325

Wednesday 24

Waxing Crescent 28%

11:23

21:00

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

Sun - Rise: 08:18, Set: 16:23, Transit: 12:21. Moon - Rise: 11:23, Set: 21:00. Civil Dark: 17:01 - 07:40. Nautical Dark: 17:43 - 06:58. Astro Dark: 18:22 - 06:19

Total Clouds (% Sky Obscured)

18
32
7
0
22
5
0
0
0
0
0
0
5
5
5
80
66
93
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
32
7
0
22
5
0
0
0
0
0
0
0
0
0
0
38
42
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
63
33
66
46
62
16
13
8
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
7
8
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
0
0
0
0
1
6
5
9
17
20
20
28
30
25
28
27

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)

14
14
15
15
14
14
15
15
17
18
19
20
21
21
22
23
23
23
22
21
20
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
77
79
79
77
77
74
73
72
72
72
70
70
69
67
67
66
66
68
68
68
71

Pressure (mb)

1031
1031
1032
1032
1031
1031
1031
1030
1030
1029
1029
1028
1027
1027
1026
1026
1026
1026
1025
1024
1024
1024
1024
1024

Ozone (du)

324
323
327
330
334
336
338
341
345
354
357
362
361
357
357
358
358
358
359
359
358
359
360
362

Thursday 25

Waxing Crescent 39%

11:36

22:17

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:19, Set: 16:24, Transit: 12:21. Moon - Rise: 11:36, Set: 22:17. Civil Dark: 17:02 - 07:40. Nautical Dark: 17:44 - 06:59. Astro Dark: 18:22 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
99
98
99
90
85
77
79
83
78
95
100
100
100
100
100
98
99
100

Low Clouds (% Sky Obscured)

100
99
100
99
99
98
97
95
98
90
85
77
78
82
77
95
100
100
100
100
100
98
99
100

Medium Clouds (% Sky Obscured)

0
0
3
6
0
0
20
28
19
0
0
2
2
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
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 (%)

28
27
28
29
33
26
23
20
12
17
7
4
4
5
12
3
8
16
9
17
10
16
17
14

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)

18
17
17
17
17
18
17
16
16
15
15
14
13
12
12
12
12
12
12
12
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
73
74
76
76
76
77
77
79
76
79
80
80
81
80
77
76
74
75
72
73
76
79

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

362
360
359
360
359
360
364
366
368
371
375
377
372
367
366
364
362
362
363
361
358
356
355
354

Friday 26

Waxing Crescent 36%

11:49

23:34

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
15 OK
16 OK
17 OK

Sun - Rise: 08:19, Set: 16:24, Transit: 12:22. Moon - Rise: 11:49, Set: 23:34. Civil Dark: 17:03 - 07:40. Nautical Dark: 17:44 - 06:59. Astro Dark: 18:23 - 06:19

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
99
98
97
93
81
80
81
81
77
69
61
46
53
39
39
39

Low Clouds (% Sky Obscured)

95
91
87
88
89
90
93
96
99
97
97
92
81
74
75
75
75
69
61
46
53
39
39
39

Medium Clouds (% Sky Obscured)

5
10
15
25
34
37
25
16
5
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
26
34
51
54
51
33
18
0
0
0
0
1
3
3
3
3
4
5
7
11
10
6
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 (%)

20
16
11
16
18
5
14
16
11
15
16
14
12
9
5
5
4
2
2
2
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)

11
12
12
12
12
12
12
12
12
12
12
12
13
12
12
12
12
12
12
12
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
83
85
83
82
83
83
83
85
85
85
85
86
86
85
80
76
75
76
81
85
86

Pressure (mb)

1029
1029
1029
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1032
1032
1033
1033
1034
1034
1034
1033
1033
1034
1034

Ozone (du)

352
350
350
346
340
337
334
331
331
328
326
324
322
320
318
316
315
315
314
312
311
310
308
308

Saturday 27

First Quarter 50%

12:03

00:52

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 OK
14 OK
15 OK
16 Bad
17 Bad

Sun - Rise: 08:19, Set: 16:25, Transit: 12:22. Moon - Rise: 12:03, Set: 00:52. Civil Dark: 17:04 - 07:41. Nautical Dark: 17:45 - 06:59. Astro Dark: 18:24 - 06:20

Total Clouds (% Sky Obscured)

55
80
86
96
97
96
91
93
91
87
82
79
97
98
100
89
56
55
42
39
40
45
47
51

Low Clouds (% Sky Obscured)

55
80
86
96
97
96
87
93
91
87
82
79
92
89
81
71
56
55
42
39
40
45
47
51

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
1
1
2
1
1
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 (%)

0
0
0
3
11
2
3
3
3
3
3
3
0
0
0
2
3
3
3
3
1
3
3
3

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
10
11
11
12
11
11
11
11
10
10
10
10
8
9
9
9
10
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
91
88
86
86
86
88
88
88
86
86
86
86
88
82
79
76
78
79
80
82
85

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034

Ozone (du)

308
309
310
310
309
310
309
309
309
309
308
308
307
307
308
308
307
307
306
306
305
305
305
304

Sunday 28

Waxing Gibbous 61%

12:20

02:15

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 OK
11 OK
12 OK
13 OK
14 OK
15 Good
16 Good
17 Good

Sun - Rise: 08:19, Set: 16:26, Transit: 12:23. Moon - Rise: 12:20, Set: 02:15. Civil Dark: 17:04 - 07:41. Nautical Dark: 17:46 - 06:59. Astro Dark: 18:25 - 06:20

Total Clouds (% Sky Obscured)

62
74
86
87
87
89
82
74
64
67
60
59
57
61
59
46
33
20
21
24
25
15
7
0

Low Clouds (% Sky Obscured)

62
70
78
75
72
70
71
64
60
62
60
59
57
58
56
44
27
17
20
21
25
15
7
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)

2
3
6
17
27
36
50
65
64
67
60
59
57
61
51
30
19
5
4
2
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 (%)

7
9
9
8
6
1
2
1
0
1
1
2
3
3
1
1
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
9
9
9
9
9
8
8
8
7
6
6
6
6
6
6
6
6
7
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
1
1
1
1
1
1
0
1
1
1
1
1
2
2
2
2
3
2
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
88
86
88
86
86
88
86
85
86
86
88
88
83
81
77
78
79
82
82
82

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033

Ozone (du)

304
305
306
306
306
306
306
305
304
304
303
303
303
303
304
304
305
306
307
306
304
303
299
296

Monday 29

Waxing Gibbous 72%

12:41

03:42

18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 08:19, Set: 16:27, Transit: 12:23. Moon - Rise: 12:41, Set: 03:42. Civil Dark: 17:05 - 07:41. Nautical Dark: 17:47 - 06:59. Astro Dark: 18:25 - 06:20

Total Clouds (% Sky Obscured)

3
4
5
2
2
3
2
1
0
0
0
0
3
6
9
10
11
12

Low Clouds (% Sky Obscured)

3
4
5
2
2
3
2
1
0
0
0
0
3
6
9
10
11
12

Medium Clouds (% Sky Obscured)

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
1
2
3
3
4
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
84
84
84
84
83
82
80
80
80
82
82
82
83
83
80
79

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1035
1035
1035
1035

Ozone (du)

293
292
290
289
290
292
293
291
290
289
287
286
284
288
292
295
303
311

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 23/12/25 18:05:48. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+0.00