Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 23%

10:38

23:09

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

Sun - Rise: 05:27, Set: 21:20, Transit: 13:24. Moon - Rise: 10:38, Set: 23:09. Civil Dark: 22:03 - 04:45. Nautical Dark: 23:01 - 03:48. Astro Dark: 00:42 - 02:11

Total Clouds (% Sky Obscured)

1
0
0
0
2
0
10
30
39
49
31
72
100
19
2
1
2
9
79
70
49
65
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
10
30
39
48
31
25
5
2
2
0
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
27
0
0
3
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
3
7
11
9
72
100
19
1
1
2
9
65
70
49
65
100
97

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)

7
6
5
6
7
8
7
5
4
5
6
10
14
15
16
15
14
12
9
9
8
9
12
12

Chance of Frost

Temperature (°C)

15
14
14
15
18
20
22
24
25
26
26
26
25
24
23
21
20
18
17
15
15
14
12
12

Feels Like (°C)

14
13
13
15
18
19
22
25
26
26
26
24
21
20
19
19
18
17
16
14
13
11
9
8

Dew Point (°C)

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

Relative Humidity (%)

83
82
83
72
55
46
41
37
35
37
40
40
42
45
44
48
56
69
83
89
93
82
69
80

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1020
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022

Ozone (du)

332
332
331
329
328
330
332
332
333
330
331
330
330
333
336
338
341
342
341
338
335
333
332
332

Sunday 19

Waxing Crescent 33%

11:55

23:22

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

Sun - Rise: 05:28, Set: 21:19, Transit: 13:24. Moon - Rise: 11:55, Set: 23:22. Civil Dark: 22:01 - 04:46. Nautical Dark: 22:59 - 03:50. Astro Dark: 00:36 - 02:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
75
69
56
51
45
61
68
51
96
47
3
3
4
21
52
98
96
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
42
42
48
40
42
38
39
24
44
30
0
0
0
0
0
0
0
11

Medium Clouds (% Sky Obscured)

0
21
79
48
22
34
5
28
41
14
3
0
10
14
80
10
3
3
3
3
4
7
1
13

High Clouds (% Sky Obscured)

100
100
100
100
100
100
75
15
2
1
2
55
59
20
1
0
0
0
3
21
52
96
94
17

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
1
0
2
3
1
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
7
6
7
8
9
9
8
8
8
8
9
7
7
8
11
11
10
8
7
7
6
6
5

Chance of Frost

Temperature (°C)

11
12
12
14
17
19
21
23
24
22
21
21
21
21
21
21
20
18
17
15
14
14
14
14

Feels Like (°C)

9
10
10
11
13
16
18
20
22
21
20
20
20
20
19
16
18
17
16
14
12
11
12
12

Dew Point (°C)

10
10
8
8
8
9
8
7
5
2
1
3
2
3
4
7
9
11
11
10
9
9
10
12

Relative Humidity (%)

90
88
77
67
56
49
43
36
30
26
26
29
28
29
33
40
48
60
69
71
70
70
79
89

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

332
333
336
338
339
340
342
345
344
342
340
339
341
344
354
351
345
341
340
338
337
335
334
335

Monday 20

Waxing Crescent 43%

13:11

23:35

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

Sun - Rise: 05:29, Set: 21:18, Transit: 13:24. Moon - Rise: 13:11, Set: 23:35. Civil Dark: 22:00 - 04:47. Nautical Dark: 22:58 - 03:52. Astro Dark: 00:31 - 02:22

Total Clouds (% Sky Obscured)

84
6
12
1
28
26
38
59
58
61
51
20
17
0
0
2
2
0
0
14
18
12
9
0

Low Clouds (% Sky Obscured)

12
0
0
0
0
0
17
24
27
49
35
18
14
0
0
0
0
0
0
14
18
12
8
0

Medium Clouds (% Sky Obscured)

27
5
9
0
19
19
0
0
26
34
26
0
0
0
0
0
0
0
0
0
1
1
0
0

High Clouds (% Sky Obscured)

17
0
0
0
1
1
20
44
4
1
2
0
0
0
0
2
2
0
0
0
0
0
4
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
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)

3
4
3
2
1
3
3
4
4
5
5
4
4
8
10
11
9
7
7
7
7
6
6
5

Chance of Frost

Temperature (°C)

13
13
13
15
18
20
22
23
24
25
24
24
24
24
23
22
20
18
16
15
14
13
13
13

Feels Like (°C)

12
11
14
16
20
21
23
22
23
25
24
24
25
24
22
21
19
18
16
15
14
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

89
84
83
68
54
45
41
38
36
36
34
33
33
33
35
38
47
67
85
90
92
92
90
90

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

334
334
335
334
331
328
327
327
327
329
329
326
325
325
324
323
323
322
322
322
322
322
321
320

Tuesday 21

First Quarter 53%

14:25

23:51

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

Sun - Rise: 05:30, Set: 21:17, Transit: 13:24. Moon - Rise: 14:25, Set: 23:51. Civil Dark: 21:58 - 04:49. Nautical Dark: 22:56 - 03:54. Astro Dark: 00:26 - 02:27

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
23
39
59
53
46
40
36
24
15
12
9
7
18
26
33
47
76
69

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
17
34
51
49
44
40
28
16
4
3
1
0
4
8
10
12
14
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
16
29
35
31
27
24
16
8
0
0
0
0
4
9
14
13
15
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
7
7
6
8
9
6
23
66
48

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)

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

Chance of Frost

Temperature (°C)

12
13
13
14
17
20
23
24
24
25
25
25
25
24
23
22
21
18
16
15
15
14
14
13

Feels Like (°C)

13
13
14
16
18
20
22
23
24
24
24
25
25
25
24
22
21
19
16
15
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

90
87
83
70
53
42
38
35
33
33
32
31
31
33
35
41
50
64
75
78
80
84
84
89

Pressure (mb)

1028
1028
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1027

Ozone (du)

320
319
318
317
317
317
317
318
318
319
323
325
326
328
328
326
326
325
325
324
322
322
323
323

Wednesday 22

Waxing Gibbous 63%

15:39

00:10

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

Sun - Rise: 05:32, Set: 21:16, Transit: 13:24. Moon - Rise: 15:39, Set: 00:10. Civil Dark: 21:57 - 04:50. Nautical Dark: 22:54 - 03:56. Astro Dark: 00:21 - 02:31

Total Clouds (% Sky Obscured)

71
73
76
72
75
64
90
87
86
90
93
97
89
91
86
44
39
33
35
38
41
55
68
82

Low Clouds (% Sky Obscured)

19
20
21
31
36
37
37
38
41
41
40
39
34
29
26
21
17
12
13
16
21
37
47
57

Medium Clouds (% Sky Obscured)

33
49
61
55
49
39
31
27
20
13
6
0
0
0
0
4
5
6
4
2
0
0
0
0

High Clouds (% Sky Obscured)

45
52
67
47
25
1
30
25
25
50
71
91
79
80
71
13
12
11
14
19
26
32
55
59

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
1
2
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)

8
9
10
11
14
15
16
17
17
17
17
19
19
19
19
20
18
17
16
15
14
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
14
14
14
15
14
14
15
15
15
15
16
15
15
15
15
15
14
14
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
86
70
56
47
48
48
45
46
48
44
42
46
51
59
68
78
80
80
83
86
90

Pressure (mb)

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

Ozone (du)

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

Thursday 23

Waxing Gibbous 72%

16:51

00:34

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 OK
19 OK
20 OK
21 Good
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad

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

Total Clouds (% Sky Obscured)

76
72
69
68
67
65
74
84
93
82
72
62
59
50
43
36
25
17
25
36
46
49
52
57

Low Clouds (% Sky Obscured)

50
42
38
34
38
39
47
60
73
71
70
62
59
50
43
34
23
12
13
13
14
16
18
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
13
26
34
20
9
0
0
0
0
0
0
0
0
0
0
1
2
2

High Clouds (% Sky Obscured)

41
33
30
23
19
15
23
27
29
25
17
8
8
9
8
6
5
5
11
14
18
26
31
40

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
1
2
0
5
7
7
8
7
6
7
6
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)

8
6
6
5
4
3
2
4
6
9
9
9
9
9
8
8
6
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

13
13
14
14
16
18
20
21
21
22
22
22
22
21
21
20
18
16
14
14
13
13
13
13

Feels Like (°C)

11
11
11
10
12
13
15
17
19
20
21
20
19
20
20
20
19
19
19
18
17
16
13
13

Dew Point (°C)

12
12
13
12
12
12
11
12
13
13
13
12
11
11
11
11
11
12
12
12
12
11
11
11

Relative Humidity (%)

93
92
93
92
78
65
55
57
57
59
55
53
50
51
53
55
64
75
87
87
89
89
87
87

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

320
319
319
318
318
317
316
315
314
313
313
313
313
313
313
314
314
315
316
316
316
317
319
322

Friday 24

Waxing Gibbous 81%

18:00

01:07

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 OK
19 OK
20 Good
21 Good
22 OK
23 OK
00 Bad

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

Total Clouds (% Sky Obscured)

63
70
73
75
77
77
76
76
75
75
70
68
56
48
36
25
13
5
20
37
54

Low Clouds (% Sky Obscured)

19
17
16
18
19
19
18
18
18
18
16
15
15
14
13
10
4
0
9
20
29

Medium Clouds (% Sky Obscured)

13
22
28
20
11
2
8
12
16
29
45
63
56
48
36
25
13
5
15
8
3

High Clouds (% Sky Obscured)

44
52
63
66
64
57
58
69
75
75
70
68
52
28
3
3
3
3
2
2
1

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
1
1
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

Wind Speed/Direction (mph)

4
3
3
3
3
5
8
9
10
11
11
11
12
11
10
10
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
82
78
68
59
52
48
44
42
42
42
42
42
41
42
53
67
87
89
92

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

325
324
324
324
322
320
319
320
321
322
324
326
328
331
335
339
335
331
327
327
326

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

Generated: 18/07/26 04:15:43. Forecast: 18/07/26 to 24/07/26. Timezone: UTC+1.00