Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 15

Waning Gibbous 70%

23:32

12:03

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:24, Set: 21:23, Transit: 13:23. Moon - Rise: 23:32, Set: 12:03. Civil Dark: 22:06 - 04:42. Nautical Dark: 23:06 - 03:42. Astro Dark: 01:06 - 01:52

Total Clouds (% Sky Obscured)

86
81
83
100
100
97
100
100
100
100
100
98
100
100
100
100
100
100
98
100
100
99
98
97

Low Clouds (% Sky Obscured)

55
59
83
100
91
97
100
100
100
100
100
95
100
92
97
90
100
100
90
99
100
99
93
91

Medium Clouds (% Sky Obscured)

46
68
68
77
74
57
94
80
93
57
56
57
59
99
99
99
99
100
74
67
52
35
42
45

High Clouds (% Sky Obscured)

33
21
5
2
67
81
8
17
11
7
67
24
20
34
40
41
46
68
64
11
38
28
40
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
1
4
4
4
4
3
7
3
3
0
3
4
4
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
13
13
25
48
59
65
47
41
39
47
54
51
88
88
72
62
39
42
63
54
32
7
7

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0.5
0
0
0
0
0
0
0.6
0.7
0.4
0.2
0
0
0.2
0.3
0
0
0

Wind Speed/Direction (mph)

18
16
14
13
13
12
10
8
7
8
6
5
4
4
6
7
7
8
9
10
10
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
14
13
13
14
15
16
16
16
16
17
17
18
18
18
19
19
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

86
89
92
92
92
95
95
96
96
98
96
96
96
93
93
98
98
96
98
96
96
95
93
93

Pressure (mb)

1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

311
308
309
308
306
305
303
302
302
301
300
300
302
300
298
297
299
296
294
293
294
294
295
296

Wednesday 16

Waning Gibbous 59%

23:45

13:25

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:26, Set: 21:22, Transit: 13:23. Moon - Rise: 23:45, Set: 13:25. Civil Dark: 22:05 - 04:43. Nautical Dark: 23:04 - 03:44. Astro Dark: 00:55 - 02:00

Total Clouds (% Sky Obscured)

94
100
98
100
100
100
92
96
82
80
82
88
68
90
96
98
99
100
100
75
99
100
100
100

Low Clouds (% Sky Obscured)

92
100
86
100
100
90
85
84
81
80
82
88
68
79
91
85
73
73
82
75
80
71
70
69

Medium Clouds (% Sky Obscured)

48
35
46
69
44
0
0
0
0
0
0
0
0
0
22
59
61
23
31
0
40
38
83
98

High Clouds (% Sky Obscured)

32
70
50
6
40
75
66
74
18
39
35
50
55
77
23
28
59
91
86
30
82
99
100
100

ISS Passover

Visibility (miles)

8
9
5
4
4
2
0
0
0
0
2
7
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
32
48
45
41
38
54
13
2
1
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 (%)

14
13
10
28
24
9
8
7
4
5
3
7
17
22
15
17
10
3
13
4
3
2
2
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)

10
9
8
9
9
10
10
9
7
7
8
9
9
9
10
11
12
13
14
13
12
10
9
7

Chance of Frost

Temperature (°C)

18
17
17
17
17
17
17
17
17
17
17
18
19
20
21
22
22
21
22
22
21
21
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
100
98
98
98
98
98
98
98
98
93
90
82
74
69
70
68
64
62
62
62
65
73

Pressure (mb)

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

Ozone (du)

295
295
296
298
297
298
300
301
300
298
297
296
296
295
296
296
297
298
302
304
306
306
310
312

Thursday 17

Waning Gibbous 47%

00:00

14:51

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:27, Set: 21:21, Transit: 13:24. Moon - Rise: 00:00, Set: 14:51. Civil Dark: 22:03 - 04:45. Nautical Dark: 23:03 - 03:46. Astro Dark: 00:47 - 02:06

Total Clouds (% Sky Obscured)

100
100
97
93
96
98
95
96
99
84
82
95
100
96
96
91
84
75
70
81
92
100
100
100

Low Clouds (% Sky Obscured)

71
65
62
58
72
79
76
91
96
84
82
94
100
96
95
91
82
68
55
49
46
43
48
53

Medium Clouds (% Sky Obscured)

100
84
52
79
70
73
68
34
50
43
60
55
49
45
45
20
19
12
5
15
25
39
66
94

High Clouds (% Sky Obscured)

100
100
91
65
65
84
47
6
64
3
5
0
2
0
3
5
5
14
54
69
86
100
100
100

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
1
1
54
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
2
2
4
12
10
27
23
16
54
57
51
27
27
21
13
11
8
7
4
1
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
4
4
3
3
3
3
4
3
4
6
7
6
7
6
8
8
8
10
10
10
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
92
93
93
95
95
96
95
95
93
86
85
79
63
53
51
50
51
53
56
60
69
77

Pressure (mb)

1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

317
322
325
331
334
335
335
329
329
332
328
326
327
328
329
329
328
328
328
330
329
330
330
331

Friday 18

Third Quarter 36%

00:18

16:20

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:28, Set: 21:20, Transit: 13:24. Moon - Rise: 00:18, Set: 16:20. Civil Dark: 22:02 - 04:46. Nautical Dark: 23:01 - 03:48. Astro Dark: 00:41 - 02:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
97
96
97
97
98
98
98
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
59
62
66
64
66
68
62
60
61
58
56
53
70
77
79
61
67
65
53
45
57
75
75

Medium Clouds (% Sky Obscured)

100
76
97
94
95
67
62
61
77
88
93
95
95
92
67
87
48
38
51
53
78
100
84
69

High Clouds (% Sky Obscured)

100
100
96
89
87
100
100
82
67
75
75
80
80
52
20
35
96
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
4
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
4
3
2
6
11
6
11
19
22
25
22
28
34
38
42
55
73
95
95
95
95
95
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.8
0.8
1.1
1.2
1
0.4

Wind Speed/Direction (mph)

6
4
3
3
2
2
2
2
3
3
3
5
7
8
9
11
13
14
14
15
14
13
13
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
14
13
13
13
13
12
13
14
15
15
15
16
15
15
15
15
14
15
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

86
93
95
95
95
95
93
95
96
96
93
89
79
69
65
72
73
62
64
66
65
70
83
95

Pressure (mb)

1011
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1004
1003
1003
1002
1001
1001
1001

Ozone (du)

331
333
336
334
334
333
332
334
336
336
338
340
344
349
354
351
345
343
342
340
339
339
341
346

Saturday 19

Waning Crescent 25%

00:41

17:48

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:29, Set: 21:19, Transit: 13:24. Moon - Rise: 00:41, Set: 17:48. Civil Dark: 22:01 - 04:48. Nautical Dark: 22:59 - 03:50. Astro Dark: 00:35 - 02:18

Total Clouds (% Sky Obscured)

100
94
88
78
84
92
100
93
88
82
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

78
72
66
62
69
79
89
85
80
76
73
84
89
91
91
93
90
90
88
83
77
71
67
56

Medium Clouds (% Sky Obscured)

53
51
50
55
68
83
100
80
73
65
98
98
93
95
97
100
95
89
83
74
66
58
48
39

High Clouds (% Sky Obscured)

100
77
47
20
33
57
100
61
43
35
99
99
98
99
99
100
94
88
84
93
98
100
99
99

ISS Passover

Visibility (miles)

6
1
1
3
2
2
2
1
2
3
3
3
3
3
5
7
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

89
95
95
94
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.5
1.1
0.5
0.5
0.7
0.9
1.2
1.4
1.7
2
1
0.8
0.6
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.8
0.9
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
12
13
12
11
11
10
11
10
10
11
10
11
10
10
12
12
13
13
13
13
15

Dew Point (°C)

13
13
13
13
13
13
13
12
12
13
13
12
13
13
13
13
13
14
14
14
14
14
14
14

Relative Humidity (%)

96
98
98
96
98
98
98
98
96
96
96
96
96
96
96
98
96
96
95
95
92
89
85
87

Pressure (mb)

1001
1001
1000
1000
999
999
998
998
997
997
996
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001

Ozone (du)

345
343
346
350
354
356
355
358
355
350
351
349
348
347
347
346
346
345
344
343
344
344
345
345

Sunday 20

Waning Crescent 15%

01:15

19:09

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:31, Set: 21:18, Transit: 13:24. Moon - Rise: 01:15, Set: 19:09. Civil Dark: 21:59 - 04:49. Nautical Dark: 22:57 - 03:52. Astro Dark: 00:29 - 02:23

Total Clouds (% Sky Obscured)

98
89
88
88
94
94
94
100
100
100
100
97
100
99
97
96
96
96
96
97
99
85
81
81

Low Clouds (% Sky Obscured)

42
39
40
72
83
82
81
81
80
80
82
83
85
87
88
81
80
79
77
82
91
85
81
81

Medium Clouds (% Sky Obscured)

33
43
55
67
74
71
68
66
63
55
39
31
28
23
21
23
26
28
26
25
29
24
24
23

High Clouds (% Sky Obscured)

98
89
88
88
94
94
94
100
100
95
93
91
80
60
43
37
23
12
0
0
0
0
23
47

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

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

Precipitation Probability (%)

95
92
86
88
87
79
69
78
77
71
78
72
72
61
44
17
15
12
7
11
12
9
15
20

Precipitation Amount (mm)

1
0.5
0.4
0.5
0.5
0.4
0.2
0.4
0.4
0.4
0.5
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
8
10
11
13
14
14
15
16
17
18
18
17
17
17
17
17
17
16
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
13
13
14
13
13
13
13
13
12
13
13
13
13
14
17
17
17
16
17
17
14

Dew Point (°C)

13
13
13
13
13
13
14
14
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

89
93
93
93
95
95
95
95
93
92
90
82
77
71
67
65
63
63
63
64
68
70
73
80

Pressure (mb)

1001
1001
1002
1002
1002
1003
1003
1003
1004
1004
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012

Ozone (du)

345
345
344
343
341
341
340
340
340
340
340
340
340
340
339
338
337
334
331
328
324
321
317
314

Monday 21

Waning Crescent 7%

02:04

20:15

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

Sun - Rise: 05:32, Set: 21:17, Transit: 13:24. Moon - Rise: 02:04, Set: 20:15. Civil Dark: 21:58 - 04:51. Nautical Dark: 22:55 - 03:54. Astro Dark: 00:24 - 02:28

Total Clouds (% Sky Obscured)

81
75
69
55
46
42
41
52
74
98
99
100
100
100
99
95

Low Clouds (% Sky Obscured)

81
75
69
55
46
42
41
52
71
84
84
83
80
78
75
72

Medium Clouds (% Sky Obscured)

18
13
6
3
2
1
0
1
1
2
8
15
23
26
28
26

High Clouds (% Sky Obscured)

65
44
24
2
1
1
0
0
0
0
26
50
73
73
73
76

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
13
10
5
8
10
5
10
11
9
20
23
26
25
24
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
12
12
13
14
15
16
18
19
19
20

Feels Like (°C)

14
14
14
13
13
12
13
13
14
14
14
16
16
17
17
18

Dew Point (°C)

12
12
12
12
12
12
12
12
13
13
14
15
15
16
15
15

Relative Humidity (%)

86
95
95
96
96
96
96
96
96
95
95
89
85
81
76
74

Pressure (mb)

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

Ozone (du)

311
309
307
306
305
304
304
304
304
305
305
306
307
309
310
312

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

Generated: 15/07/25 21:13:08. Forecast: 15/07/25 to 21/07/25. Timezone: UTC+1.00