Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 13

Waning Crescent 26%

05:04

11:59

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 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Good
05 Good
06 Good

Sun - Rise: 08:13, Set: 16:39, Transit: 12:26. Moon - Rise: 05:04, Set: 11:59. Civil Dark: 17:17 - 07:35. Nautical Dark: 17:58 - 06:54. Astro Dark: 18:37 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
95
30
37
19
9
18
25
15
17
10
9

Low Clouds (% Sky Obscured)

87
83
93
73
63
71
87
70
50
80
68
73
67
46
30
37
19
9
18
25
15
8
0
0

Medium Clouds (% Sky Obscured)

100
98
100
92
85
100
97
100
100
100
97
97
99
93
23
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
87
98
85
80
59
0
0
0
0
0
0
0
17
8
9

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 (%)

54
56
4
9
6
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
28
25
25
36
21
5
4
3
2
5
3
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
9
8
7
6
6
5
4
3
2
2
2
1
0
1
1
1
0
0
1
1
-0
1

Dew Point (°C)

10
9
9
8
8
8
7
7
7
6
5
4
4
3
2
2
1
0
-0
-1
-1
-1
-1
-1

Relative Humidity (%)

98
96
95
93
91
93
90
88
91
93
91
88
88
86
88
89
89
88
88
88
88
86
86
86

Pressure (mb)

1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

339
339
337
342
346
346
348
345
340
337
347
350
352
355
351
348
347
345
344
338
331
324
323
325

Wednesday 14

Waning Crescent 18%

06:11

12:26

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:12, Set: 16:41, Transit: 12:26. Moon - Rise: 06:11, Set: 12:26. Civil Dark: 17:18 - 07:35. Nautical Dark: 17:59 - 06:53. Astro Dark: 18:38 - 06:14

Total Clouds (% Sky Obscured)

93
90
96
100
100
100
100
98
98
100
92
91
100
100
92
98
93
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
14
55
67
66
61
87
81
100
100
83
87
82
77
70
68
74
74
75
80

Medium Clouds (% Sky Obscured)

31
70
76
78
80
99
100
94
95
100
89
64
73
59
66
85
69
100
80
40
89
100
100
100

High Clouds (% Sky Obscured)

68
83
88
100
100
100
100
37
58
100
40
1
0
0
65
4
3
40
45
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
7
2
1
0
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
16
54
86
82
40

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
2
3
20
39
31
39
91
82
94
80
95
80
55
26
21
37
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.5
0.9
0.6
0.9
0.3
0
0
0
0
0.2

Wind Speed/Direction (mph)

1
2
3
3
3
4
5
6
6
7
8
9
10
11
13
14
14
14
12
13
10
7
5
4

Chance of Frost

Temperature (°C)

1
1
1
3
4
4
5
5
5
5
5
5
5
5
6
7
7
8
8
8
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-2
-1
-0
0
2
3
3
4
4
4
3
3
5
6
7
7
8
8
7
6
5
5

Relative Humidity (%)

84
84
81
79
76
75
80
83
86
91
94
93
85
82
91
96
96
98
98
96
94
94
93
94

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1004
1003

Ozone (du)

323
319
314
313
313
315
315
315
314
312
312
317
320
327
329
334
330
332
339
343
350
350
351
356

Thursday 15

Waning Crescent 11%

No Rise

13:04

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:11, Set: 16:42, Transit: 12:27. Moon - Rise: No Rise, Set: 13:04. Civil Dark: 17:19 - 07:34. Nautical Dark: 18:00 - 06:53. Astro Dark: 18:39 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
82
86
66
71
71
87
82
82
80
80
82
84
80
55

Low Clouds (% Sky Obscured)

100
100
98
80
83
84
98
100
83
84
68
74
56
63
70
87
75
75
76
78
78
80
80
55

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
56
60
52
45
50
55
55
60
50
46
50
50
50
35
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
77
70
70
60
55
50
50
50
50
0
0
0
23
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
8
9
9
9
9
9
9
9
9
9
7
8
8
9

Fog (%)

62
32
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

92
95
95
75
76
88
95
95
95
73
68
57
37
46
29
12
10
15
20
47
62
55
37
19

Precipitation Amount (mm)

0.5
0.9
0.9
0.3
0.2
0.3
0.5
0.9
1.5
0.2
0.2
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
93
91
90
90
90
91
90
88
90
90
91
91
89
93
94
93
91
93
91
91
93

Pressure (mb)

1003
1002
1002
1001
1001
1000
998
997
997
996
997
998
998
999
999
999
1000
1000
1000
1000
1000
1000
1001
1001

Ozone (du)

358
354
350
349
348
348
349
349
350
354
358
363
363
366
368
371
371
377
387
397
405
399
393
390

Friday 16

Waning Crescent 6%

07:08

13:54

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:10, Set: 16:44, Transit: 12:27. Moon - Rise: 07:08, Set: 13:54. Civil Dark: 17:21 - 07:33. Nautical Dark: 18:02 - 06:52. Astro Dark: 18:41 - 06:13

Total Clouds (% Sky Obscured)

50
48
64
50
53
48
48
48
61
64
74
73
91
98
99
98
97
98
99
97
91
100
100
100

Low Clouds (% Sky Obscured)

50
48
58
50
53
48
48
48
59
64
74
66
57
52
52
50
52
51
49
47
47
50
61
66

Medium Clouds (% Sky Obscured)

1
7
16
2
1
0
1
3
20
37
52
39
59
95
97
95
91
94
97
85
91
97
86
81

High Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
15
29
26
44
65
95
96
89
81
86
83
97
78
100
100
99

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

None
None
Very Light Rain
None
None
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
Very Light Rain
None

Precipitation Probability (%)

18
38
53
37
25
37
42
34
43
41
37
48
52
50
49
48
43
51
53
54
62
66
64
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
11
12
14
14
14
14
12
11
11
11
11
11
11
10
10
10
9
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
88
84
81
79
79
82
85
88
91
90
90
86
86
88
88
90
91
91
93
93
94

Pressure (mb)

1001
1001
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

391
393
398
403
407
408
409
407
408
413
417
420
423
427
429
430
429
430
430
432
433
434
434
435

Saturday 17

Waning Crescent 2%

07:54

14:57

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:10, Set: 16:45, Transit: 12:27. Moon - Rise: 07:54, Set: 14:57. Civil Dark: 17:22 - 07:33. Nautical Dark: 18:03 - 06:51. Astro Dark: 18:42 - 06:12

Total Clouds (% Sky Obscured)

100
98
96
93
83
89
82
69
70
71
69
81
74
66
68
74
75
80
87
90
87
83
80
67

Low Clouds (% Sky Obscured)

67
63
64
62
56
58
57
61
58
57
53
67
53
52
60
68
75
73
77
77
79
80
80
67

Medium Clouds (% Sky Obscured)

100
95
80
83
49
63
42
9
13
60
64
67
39
9
6
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
93
86
70
55
46
31
7
10
15
35
27
24
24
18
10
7
6
3
1
0
0
0
0

ISS Passover

Visibility (miles)

6
7
8
9
9
8
7
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

48
37
30
32
31
34
38
30
16
15
8
10
10
4
8
10
6
10
11
6
9
10
5
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)

8
8
8
9
12
13
13
13
12
11
10
9
7
7
7
7
8
7
7
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
93
90
87
85
90
90
91
93
93
94
93
94
93
91
90
90
88
86
86
88
88

Pressure (mb)

1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1014
1015
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

431
433
438
439
440
442
442
441
439
434
430
428
427
427
426
426
426
426
428
430
432
429
427
425

Sunday 18

New Moon 0%

08:28

16:10

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:09, Set: 16:47, Transit: 12:28. Moon - Rise: 08:28, Set: 16:10. Civil Dark: 17:24 - 07:32. Nautical Dark: 18:04 - 06:50. Astro Dark: 18:43 - 06:12

Total Clouds (% Sky Obscured)

54
41
43
53
58
66
68
70
79
89
100
100
100
100
100
100
100
100
100
100
100
100
100
93

Low Clouds (% Sky Obscured)

54
41
39
37
58
66
68
68
69
70
70
73
77
80
74
68
65
63
61
59
70
83
98
87

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
8
17
32
50
56
61
49
41
38
37
36
30
53
78
100
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
34
67
96
96
95
86
76
65
70
66
68
67
51
42
30
23

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

7
3
7
8
4
5
4
1
3
3
2
4
4
2
4
4
2
6
8
7
32
50
67
63

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
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
3
3
7
7
7
7
7
6
5
5
5
5
5
5
3
3
3
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

89
89
93
89
86
85
84
84
84
81
81
81
78
76
75
76
78
79
80
80
82
83
88
91

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012

Ozone (du)

426
427
428
426
424
422
420
419
417
419
421
423
420
417
414
408
402
395
388
381
374
371
368
365

Monday 19

Waxing Crescent 1%

08:53

17:27

Sun - Rise: 08:08, Set: 16:48, Transit: 12:28. Moon - Rise: 08:53, Set: 17:27. Civil Dark: 17:25 - 07:31. Nautical Dark: 18:06 - 06:50. Astro Dark: 18:45 - 06:11

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 Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 13/01/26 06:50:19. Forecast: 13/01/26 to 19/01/26. Timezone: UTC+0.00