Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 53%

14:25

23:51

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

Sun - Rise: 05:30, Set: 21:17, Transit: 13:24. Moon - Rise: 14:25, Set: 23:51. Civil Dark: 21:58 - 04:50. Nautical Dark: 22:56 - 03:54. Astro Dark: 00:26 - 02:27

Total Clouds (% Sky Obscured)

6
11
0
0
0
0
0
28
34
0
0
2
6
5
4
3
3
8
12
29
36
42
35
32

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
28
34
0
0
0
0
0
0
0
0
0
0
21
27
33
29
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
2
6
5
4
3
3
8
12
4
2
6
2
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
2
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)

4
4
4
4
5
5
4
3
5
6
7
6
10
11
11
11
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

12
12
13
17
19
21
23
25
25
25
25
24
23
22
21
19
17
16
15
14
13
13
13
13

Feels Like (°C)

12
12
14
17
19
22
23
26
27
26
26
25
23
20
19
18
17
16
15
14
13
13
13
13

Dew Point (°C)

11
10
9
9
7
6
5
6
7
8
9
9
9
9
9
11
14
14
13
13
13
13
13
12

Relative Humidity (%)

90
87
76
60
46
36
32
30
31
33
35
37
40
42
48
59
79
90
90
92
95
95
95
95

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1029
1028
1028
1028
1028
1028
1029
1028
1028
1028
1028
1027

Ozone (du)

327
326
325
324
325
325
325
326
325
324
323
323
323
324
324
324
324
325
326
327
327
326
327
329

Wednesday 22

Waxing Gibbous 63%

15:39

00:10

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

Sun - Rise: 05:32, Set: 21:16, Transit: 13:24. Moon - Rise: 15:39, Set: 00:10. Civil Dark: 21:57 - 04:52. Nautical Dark: 22:54 - 03:56. Astro Dark: 00:21 - 02:31

Total Clouds (% Sky Obscured)

36
41
48
32
39
70
83
83
83
100
100
100
100
83
49
14
32
12
28
9
35
16
32
59

Low Clouds (% Sky Obscured)

36
41
48
32
39
41
29
31
19
4
16
30
26
17
4
0
0
7
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
33
2
23
39
11
20
9
21
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
2
25
58
83
83
100
100
100
99
70
26
3
3
6
28
8
32
15
29
50

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
4

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
10
10
11
12
12
13
14
14
13
15
14
13
12
13
12
8
8
7
7
6
6
4
3

Chance of Frost

Temperature (°C)

13
13
14
15
15
16
17
18
19
20
20
19
18
18
17
17
15
15
14
14
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
8
5
2
2
1
1
3
4
4
5
8
11
13
13
12
12
12
12
12
11

Relative Humidity (%)

95
95
90
76
64
47
36
33
30
28
32
36
38
40
53
68
87
90
87
90
87
89
89
86

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

331
328
328
329
329
328
329
330
330
331
331
331
332
330
330
330
330
329
329
327
325
324
323
323

Thursday 23

Waxing Gibbous 72%

16:51

00:34

05 OK
06 OK
07 OK
08 OK
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 OK

Sun - Rise: 05:33, Set: 21:15, Transit: 13:24. Moon - Rise: 16:51, Set: 00:34. Civil Dark: 21:56 - 04:54. Nautical Dark: 22:52 - 03:58. Astro Dark: 00:16 - 02:36

Total Clouds (% Sky Obscured)

19
31
28
45
77
97
91
94
96
81
78
84
98
94
50
52
53
86
74
89
75
56
51
40

Low Clouds (% Sky Obscured)

0
0
0
2
27
36
28
28
44
43
36
45
39
25
11
0
0
0
0
16
15
15
15
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
23
27
36
30
19
12
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

19
16
12
23
43
88
75
77
60
44
61
62
96
84
33
52
52
82
74
84
63
28
12
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 (%)

23
91
100
9
1
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)

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

Chance of Frost

Temperature (°C)

13
13
15
18
21
23
24
25
25
24
24
23
23
23
22
21
19
16
15
15
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

11
10
10
12
11
12
12
12
11
10
9
8
8
9
10
10
13
12
11
11
11
11
11
11

Relative Humidity (%)

83
83
74
66
55
50
46
44
41
39
38
36
38
40
44
51
69
77
76
76
76
78
82
80

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1021

Ozone (du)

322
321
320
319
319
319
319
318
318
317
317
318
318
317
317
316
317
319
321
324
327
330
333
333

Friday 24

Waxing Gibbous 81%

18:00

01:07

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

Sun - Rise: 05:34, Set: 21:13, Transit: 13:24. Moon - Rise: 18:00, Set: 01:07. Civil Dark: 21:54 - 04:55. Nautical Dark: 22:50 - 04:00. Astro Dark: 00:12 - 02:40

Total Clouds (% Sky Obscured)

22
1
4
2
13
33
50
67
45
22
0
8
15
25
18
25
0
42
77
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
0
0
0
0
4
8
12
8
4
0
0
0
0
0
0
0
5
9
12
16
20
24
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
12
22
27
18
9
0
0
0
0
0
0
0
0
0
0
0
0
35
46

High Clouds (% Sky Obscured)

3
1
4
2
13
33
48
62
45
21
0
6
13
20
16
25
0
42
77
100
100
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
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)

4
4
3
4
4
3
4
6
7
9
11
13
12
13
11
11
7
6
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

14
14
15
18
20
23
24
25
26
26
25
25
24
22
21
19
17
15
15
14
14
14
15
15

Feels Like (°C)

15
15
15
18
21
23
24
25
26
25
24
23
23
21
21
19
17
16
14
12
13
13
14
15

Dew Point (°C)

11
11
9
8
8
7
6
6
8
9
9
9
9
11
12
13
15
14
13
12
12
12
13
14

Relative Humidity (%)

80
79
68
53
43
36
31
30
31
34
35
36
37
47
54
66
87
92
92
87
90
89
87
92

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

333
333
333
332
332
331
332
332
332
332
334
334
334
334
329
327
327
326
325
324
322
326
327
326

Saturday 25

Waxing Gibbous 88%

19:01

01:51

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:36, Set: 21:12, Transit: 13:24. Moon - Rise: 19:01, Set: 01:51. Civil Dark: 21:52 - 04:57. Nautical Dark: 22:48 - 04:02. Astro Dark: 00:08 - 02:44

Total Clouds (% Sky Obscured)

100
100
99
97
96
94
92
92
92
93
94
96
98
100
100
100
100
99
98
97
88
79
70
71

Low Clouds (% Sky Obscured)

32
67
59
77
70
58
34
49
49
86
83
71
85
99
99
99
100
99
97
95
83
73
63
66

Medium Clouds (% Sky Obscured)

62
79
80
81
83
77
80
84
84
86
85
80
75
64
75
68
61
50
40
28
18
9
0
0

High Clouds (% Sky Obscured)

100
100
88
58
66
46
19
5
3
1
1
1
2
1
3
2
0
0
0
1
5
13
18
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
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
1
1
3
3
0
0
1
2
1
1
2
23
31
37
41
41
40
35
30
21
24

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
7
9
12
14
16
16
18
17
19
20
19
17
15
14
14
15
15
17
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
13
12
13
10
6
8
11
7
11
10
11
13
14
15
15
16
16
16
15
15
14
13

Relative Humidity (%)

95
90
82
71
74
58
39
46
57
44
62
54
61
73
81
86
90
95
93
92
92
92
92
92

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1007
1007
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

324
323
321
319
317
315
314
314
314
313
312
312
312
310
309
310
311
312
314
317
319
321
323
325

Sunday 26

Waxing Gibbous 93%

19:51

02:47

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 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:37, Set: 21:10, Transit: 13:24. Moon - Rise: 19:51, Set: 02:47. Civil Dark: 21:51 - 04:58. Nautical Dark: 22:46 - 04:04. Astro Dark: 00:04 - 02:48

Total Clouds (% Sky Obscured)

73
78
77
75
71
70
69
69
67
63
60
55
55
53
43
36
24
42
56
70
61
53
47
56

Low Clouds (% Sky Obscured)

72
78
77
75
69
66
65
64
59
55
52
49
48
45
42
35
24
42
56
69
61
53
44
53

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)

6
4
2
1
0
0
0
0
0
1
1
2
2
2
1
1
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 (%)

24
23
25
23
19
19
17
10
11
9
7
6
5
8
10
10
3
7
11
14
13
11
3
4

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)

15
15
15
16
17
18
18
18
18
17
17
17
16
15
15
12
10
7
8
8
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
12
13
13
13
14
17
16
16
16
16
16
15
15
16
15
14
13
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

92
90
89
82
73
65
61
56
53
53
53
52
56
60
65
73
82
93
87
83
79
82
86
89

Pressure (mb)

1007
1008
1008
1009
1010
1011
1011
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018

Ozone (du)

326
327
329
328
328
328
328
327
327
325
324
322
322
322
322
322
322
321
322
323
324
325
326
327

Monday 27

Waxing Gibbous 97%

20:30

03:53

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

Sun - Rise: 05:38, Set: 21:09, Transit: 13:24. Moon - Rise: 20:30, Set: 03:53. Civil Dark: 21:49 - N/A. Nautical Dark: 22:43 - 04:06. Astro Dark: 00:00 - 02:52

Total Clouds (% Sky Obscured)

65
72
64
56
50
48
46
45
36
35
30
39
46
66
78
88
86
92
94
96

Low Clouds (% Sky Obscured)

62
71
62
53
40
35
30
25
25
21
17
21
22
24
27
24
23
39
57
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
8
12
13
12
11
10
8
9
10
17
26
27
32
33

High Clouds (% Sky Obscured)

2
4
3
3
1
2
3
4
3
2
0
3
5
24
32
43
53
48
40
21

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
76
70
65
61
57
54
52
49
50
50
50
55
58
63
73
83
95
93
90

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1020
1020

Ozone (du)

327
328
329
329
330
330
329
328
327
326
325
324
322
321
320
319
318
317
317
317

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 21/07/26 05:06:08. Forecast: 21/07/26 to 27/07/26. Timezone: UTC+1.00