Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waxing Crescent 10%

09:32

21:27

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

Sun - Rise: 06:06, Set: 20:37, Transit: 13:22. Moon - Rise: 09:32, Set: 21:27. Civil Dark: 21:13 - 05:30. Nautical Dark: 21:59 - 04:44. Astro Dark: 22:54 - 03:49

Total Clouds (% Sky Obscured)

86
78
69
72
16
28
32
34
26
23
32
22
38
12
21
26
21
24
13
4
35
49
100
61

Low Clouds (% Sky Obscured)

17
21
3
0
15
26
29
29
23
21
20
4
7
12
16
20
18
22
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6

High Clouds (% Sky Obscured)

81
35
11
0
0
0
0
0
0
2
13
20
31
0
6
8
2
3
11
3
35
49
100
60

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
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)

9
9
9
11
11
11
11
14
16
16
15
15
16
16
16
17
16
17
15
13
11
10
10
9

Chance of Frost

Temperature (°C)

18
17
16
16
15
14
15
17
18
20
21
22
23
23
22
22
21
19
18
17
15
14
14
13

Feels Like (°C)

17
15
14
15
14
14
14
15
15
16
18
19
19
19
20
18
18
16
16
15
14
12
11
10

Dew Point (°C)

17
15
14
13
12
12
12
11
9
9
9
9
9
9
9
9
9
10
10
11
11
11
11
10

Relative Humidity (%)

92
89
85
85
84
84
82
69
54
49
46
43
41
40
41
43
46
55
58
68
79
80
80
80

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

322
325
327
328
329
330
329
325
320
318
317
318
319
320
319
320
320
318
317
316
314
313
313
311

Sunday 16

Waxing Crescent 18%

10:49

21:41

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
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: 06:08, Set: 20:35, Transit: 13:21. Moon - Rise: 10:49, Set: 21:41. Civil Dark: 21:11 - 05:32. Nautical Dark: 21:57 - 04:46. Astro Dark: 22:51 - 03:52

Total Clouds (% Sky Obscured)

94
100
100
98
81
58
46
37
47
75
80
82
41
67
100
100
88
85
71
67
85
61
89
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
1
1
0
0
0
7
23
35
23
7
0
21
27

Medium Clouds (% Sky Obscured)

33
97
88
94
68
54
30
22
28
19
5
8
7
20
13
22
5
48
35
27
12
4
17
19

High Clouds (% Sky Obscured)

91
100
100
77
1
0
0
3
8
48
71
71
41
56
100
100
80
61
9
44
79
57
86
70

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
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)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
15
18
20
21
23
23
23
23
22
21
20
19
17
15
15
15
15

Feels Like (°C)

10
10
10
10
11
11
13
15
16
18
21
20
22
20
20
18
18
17
16
17
14
15
15
15

Dew Point (°C)

9
8
8
8
10
11
10
9
8
7
6
6
6
6
6
7
8
9
11
12
14
14
14
14

Relative Humidity (%)

76
74
72
74
84
87
82
67
51
44
37
33
31
32
33
37
42
48
59
71
89
95
95
95

Pressure (mb)

1020
1020
1020
1020
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

310
309
310
310
309
307
308
308
306
305
305
307
305
305
305
305
305
306
305
306
304
303
302
301

Monday 17

Waxing Crescent 27%

12:06

21:55

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: 06:09, Set: 20:33, Transit: 13:21. Moon - Rise: 12:06, Set: 21:55. Civil Dark: 21:09 - 05:33. Nautical Dark: 21:54 - 04:48. Astro Dark: 22:47 - 03:55

Total Clouds (% Sky Obscured)

96
95
94
80
85
89
100
95
85
85
76
73
74
75
55
63
57
44
52
65
73
73
78
87

Low Clouds (% Sky Obscured)

59
84
79
54
61
68
75
69
68
65
48
61
57
47
44
44
46
39
46
59
69
63
72
76

Medium Clouds (% Sky Obscured)

17
8
21
26
49
46
55
50
54
50
42
39
18
27
4
14
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

86
75
72
28
65
45
51
77
79
73
68
1
1
1
2
0
1
1
1
2
2
22
48
69

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
6
26
9
8
7
5
11
14
11
8
6
8
2
0
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)

6
5
4
4
4
4
6
8
8
10
12
14
14
15
17
16
17
16
15
13
12
9
10
12

Chance of Frost

Temperature (°C)

15
16
16
16
16
16
16
18
19
20
21
22
22
23
23
23
22
21
20
18
18
17
17
18

Feels Like (°C)

15
16
16
17
17
17
17
17
18
20
20
20
21
21
21
21
20
19
18
18
18
19
19
18

Dew Point (°C)

15
15
16
16
15
15
16
16
15
14
14
13
12
11
11
10
11
12
13
16
17
17
17
17

Relative Humidity (%)

96
96
96
96
96
96
98
89
78
69
62
58
53
46
45
45
49
56
66
86
95
95
96
96

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1019
1019
1019
1018
1018

Ozone (du)

299
298
297
296
296
296
296
295
296
296
297
297
298
299
300
300
299
299
298
298
298
298
296
293

Tuesday 18

Waxing Crescent 37%

13:22

22:13

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: 06:11, Set: 20:31, Transit: 13:21. Moon - Rise: 13:22, Set: 22:13. Civil Dark: 21:07 - 05:35. Nautical Dark: 21:52 - 04:50. Astro Dark: 22:44 - 03:57

Total Clouds (% Sky Obscured)

92
93
99
100
100
100
99
99
98
96
94
91
86
80
75
82
89
96
96
96
96
94
91
88

Low Clouds (% Sky Obscured)

82
92
99
100
100
100
99
98
97
85
83
62
41
39
64
82
85
84
77
70
63
68
73
76

Medium Clouds (% Sky Obscured)

10
23
39
39
48
56
39
22
7
9
6
8
5
4
3
17
34
48
47
44
44
31
87
57

High Clouds (% Sky Obscured)

49
29
9
26
35
45
31
21
28
40
54
63
50
41
26
18
9
0
18
33
50
38
24
12

ISS Passover

Visibility (miles)

9
9
2
0
0
0
0
3
4
9
9
9
9
9
9
9
9
9
9
8
8
7
3
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
Light Rain
Light Rain
None

Precipitation Probability (%)

2
3
3
10
12
14
21
29
27
33
18
12
8
11
7
11
12
17
34
36
49
87
95
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.7
0

Wind Speed/Direction (mph)

12
13
14
15
15
15
15
14
14
15
15
14
15
16
16
17
15
13
11
9
8
8
11
13

Chance of Frost

Temperature (°C)

18
18
18
19
19
19
19
19
19
20
20
21
23
23
23
22
20
19
18
18
17
17
16
16

Feels Like (°C)

19
19
18
19
18
18
18
18
19
18
18
19
21
22
21
20
18
18
18
19
18
17
16
14

Dew Point (°C)

17
18
18
18
18
18
18
18
18
18
17
16
14
13
13
14
16
16
16
16
16
16
16
15

Relative Humidity (%)

96
96
98
98
96
96
95
93
92
89
80
75
59
53
52
61
78
84
88
92
95
95
96
93

Pressure (mb)

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

Ozone (du)

290
289
289
290
290
289
289
290
289
289
289
288
288
288
289
289
289
289
290
293
295
296
295
298

Wednesday 19

Waxing Crescent 47%

14:36

22:36

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: 06:12, Set: 20:29, Transit: 13:21. Moon - Rise: 14:36, Set: 22:36. Civil Dark: 21:05 - 05:37. Nautical Dark: 21:50 - 04:52. Astro Dark: 22:41 - 04:00

Total Clouds (% Sky Obscured)

91
95
99
96
92
88
92
94
97
98
99
99
98
96
92
82
83
86
74
61
47
52
59
70

Low Clouds (% Sky Obscured)

78
79
80
77
82
82
77
72
65
61
60
59
56
54
50
43
37
33
36
38
40
50
59
70

Medium Clouds (% Sky Obscured)

85
88
89
15
8
0
8
14
21
23
25
19
15
10
5
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

29
41
57
90
44
37
44
49
88
90
76
52
51
50
40
67
83
86
67
33
0
0
0
0

ISS Passover

Visibility (miles)

9
9
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
66
41
11
13
14
15
24
9
12
22
5
15
17
17
16
12
5
12
14
15
14
11
5

Precipitation Amount (mm)

0
0.2
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)

13
12
13
13
10
10
10
10
11
11
12
14
14
15
16
16
16
16
15
14
13
12
11
10

Chance of Frost

Temperature (°C)

15
16
15
15
15
15
15
16
16
17
17
18
19
18
18
17
17
16
16
16
15
15
15
14

Feels Like (°C)

13
14
13
13
13
13
12
14
14
15
14
15
15
15
14
14
14
14
14
12
12
12
12
11

Dew Point (°C)

14
15
15
14
13
13
13
13
13
13
11
9
9
9
10
10
10
10
9
9
9
9
9
8

Relative Humidity (%)

95
93
95
95
92
89
87
83
81
78
68
55
52
56
59
64
64
65
64
66
66
67
68
67

Pressure (mb)

1014
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

298
300
300
307
314
314
315
313
313
313
314
314
314
314
315
315
316
318
319
320
321
323
322
322

Thursday 20

First Quarter 56%

15:47

23:05

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 OK
22 OK
23 OK
00 OK

Sun - Rise: 06:14, Set: 20:27, Transit: 13:20. Moon - Rise: 15:47, Set: 23:05. Civil Dark: 21:02 - 05:38. Nautical Dark: 21:47 - 04:54. Astro Dark: 22:38 - 04:03

Total Clouds (% Sky Obscured)

68
65
61
59
60
62
70
73
74
73
73
76
83
86
86
87
89
92
72
51
30
32
36
40

Low Clouds (% Sky Obscured)

68
65
61
59
58
62
65
69
73
73
73
76
79
78
83
78
72
65
51
36
21
27
34
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
7
9
15
15
18
17
20
13
13
15
16
7
3
2
1
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
24
48
72
48
28
16
14
11
7

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 (%)

12
14
13
21
28
35
33
30
25
25
27
29
35
42
49
49
46
42
36
27
1
1
1
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)

8
9
10
11
10
10
10
12
14
16
16
17
18
18
17
18
17
17
17
16
14
13
12
12

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
13
14
15
16
16
17
17
17
17
17
16
16
15
14
14
13
13
13

Feels Like (°C)

11
11
11
11
11
11
11
11
12
12
12
12
12
15
15
14
13
13
14
12
13
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

68
73
76
80
82
84
84
79
73
68
62
55
50
50
51
51
55
57
60
68
75
84
84
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

322
324
326
328
328
328
328
329
330
331
332
334
336
332
328
324
322
320
319
318
318
317
316
315

Friday 21

Waxing Gibbous 66%

16:52

23:45

Sun - Rise: 06:15, Set: 20:25, Transit: 13:20. Moon - Rise: 16:52, Set: 23:45. Civil Dark: 21:00 - 05:40. Nautical Dark: 21:45 - 04:56. Astro Dark: 22:35 - 04:05

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: 15/08/26 01:11:47. Forecast: 15/08/26 to 21/08/26. Timezone: UTC+1.00