Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 98%

22:46

06:20

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

Sun - Rise: 05:03, Set: 21:26, Transit: 13:14. Moon - Rise: 22:46, Set: 06:20. Civil Dark: 22:12 - 04:16. Nautical Dark: 23:22 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
11
6
0
0
0
4
3
0
23
2
2
88
0

Low 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

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)

0
1
1
2
1
0
0
0
7
12
5
7
0
0
0
0
1
1
0
11
2
2
36
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
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

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
3
3
4
4
4
5
6
7
8
9
9
9
10
11
11
11
13
13
11
10
9

Chance of Frost

Temperature (°C)

22
21
19
18
17
16
17
20
23
24
25
27
28
30
30
31
31
31
30
29
28
25
23
21

Feels Like (°C)

24
23
22
20
19
19
19
22
25
26
26
27
28
29
30
30
29
29
29
27
26
23
21
20

Dew Point (°C)

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

Relative Humidity (%)

58
61
71
80
85
85
84
72
60
56
46
39
33
28
26
23
23
24
26
29
36
44
53
60

Pressure (mb)

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

Ozone (du)

322
320
322
323
323
322
323
324
323
324
324
324
325
325
325
326
328
329
330
330
329
328
330
331

Sunday 13

Waning Gibbous 95%

23:01

07:44

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

Sun - Rise: 05:04, Set: 21:25, Transit: 13:14. Moon - Rise: 23:01, Set: 07:44. Civil Dark: 22:11 - 04:18. Nautical Dark: 23:20 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
1
2
0
0
0
0
8
48
65
70
72
62
63
55
55
100
77
74
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
18
4
15
51
5
35
42
37
42
0
7
34
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
15
22
23
18
26
21
20
23
26
27
74
60
35

High Clouds (% Sky Obscured)

0
0
0
0
1
2
0
0
0
0
0
0
0
2
3
0
1
13
25
100
62
20
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
6
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
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
15
2
11
17
10
29
44
29
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
15
15
17
18
20
22
24
26
27
27
28
29
29
28
28
27
25
23
22

Feels Like (°C)

19
18
17
17
16
15
15
18
19
20
23
24
25
26
27
27
26
27
27
26
25
23
22
21

Dew Point (°C)

14
14
13
13
13
12
12
11
9
9
11
12
12
11
11
12
15
17
15
14
14
16
20
19

Relative Humidity (%)

69
74
78
82
85
86
82
69
53
48
48
45
41
38
36
37
43
48
44
43
45
57
80
83

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

330
330
330
330
331
332
334
334
334
333
330
330
333
331
329
325
322
321
322
324
325
327
329
332

Monday 14

Waning Gibbous 88%

23:13

09:08

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

Sun - Rise: 05:05, Set: 21:24, Transit: 13:14. Moon - Rise: 23:13, Set: 09:08. Civil Dark: 22:09 - 04:19. Nautical Dark: 23:18 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
94
68
40
75
61
63
66
55
82
66
44
48
76
13
20
9
14
19
41
65
57
78

Low Clouds (% Sky Obscured)

0
0
0
43
30
51
44
42
53
55
79
37
37
47
24
13
20
9
14
19
21
23
43
47

Medium Clouds (% Sky Obscured)

80
64
81
31
19
30
22
29
17
0
57
34
10
0
34
0
0
0
0
1
21
20
16
71

High Clouds (% Sky Obscured)

100
50
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
5
38
10

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 (%)

9
7
20
12
26
10
16
9
15
7
4
5
6
0
0
0
0
0
0
0
0
5
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
7
5
5
6
5
4
7
11
14
16
18
22
21
23
22
22
22
21
20
17
15
13
13

Chance of Frost

Temperature (°C)

21
19
19
18
17
17
17
18
19
21
22
23
23
24
23
23
23
22
20
19
17
15
14
13

Feels Like (°C)

20
19
20
18
18
17
18
19
19
20
18
19
18
18
16
16
16
15
15
14
13
12
11
11

Dew Point (°C)

18
17
17
15
14
14
14
15
16
14
9
10
9
7
8
6
6
6
6
6
7
9
9
9

Relative Humidity (%)

85
88
88
82
78
83
83
82
80
64
44
44
40
34
36
33
33
35
38
42
50
64
73
76

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

336
343
343
344
341
339
338
340
342
343
342
343
345
344
345
348
351
354
361
374
377
376
371
367

Tuesday 15

Waning Gibbous 80%

23:24

10:31

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:06, Set: 21:23, Transit: 13:14. Moon - Rise: 23:24, Set: 10:31. Civil Dark: 22:08 - 04:21. Nautical Dark: 23:16 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
68
87
75
85
100
100
100
100
100
94
100
100
100
100
100
97
94
93
89
86
78
83
85

Low Clouds (% Sky Obscured)

38
47
29
34
15
22
18
33
49
66
70
72
77
79
82
85
72
60
47
43
40
36
24
12

Medium Clouds (% Sky Obscured)

58
68
87
38
51
100
100
83
100
74
42
55
61
61
89
100
47
90
89
22
13
30
21
1

High Clouds (% Sky Obscured)

78
65
80
45
72
100
76
41
24
3
25
47
69
50
27
8
1
0
12
1
1
19
60
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
9
7
9
9
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
3
12
35
55
53
52
62
61
65
66
68
69
65
51
28
29
22
6
18
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
12
12
11
10
10
12
12
12
12
16
14
17
18
17
15
14
13
13
12
10
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
76
74
80
83
77
75
80
86
84
65
68
53
50
56
63
69
71
70
68
68
71
72

Pressure (mb)

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

Ozone (du)

364
364
366
366
360
358
355
352
348
351
350
345
343
341
339
336
334
333
329
330
336
335
336
336

Wednesday 16

Waning Gibbous 70%

23:35

11:54

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

Sun - Rise: 05:08, Set: 21:21, Transit: 13:15. Moon - Rise: 23:35, Set: 11:54. Civil Dark: 22:07 - 04:22. Nautical Dark: 23:14 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
72
47
23
43
71
100
100
100
100
94
88
70
76
85

Low Clouds (% Sky Obscured)

0
19
32
49
39
35
32
29
25
21
20
20
18
15
13
10
18
25
32
33
31
30
32
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
19
32
38
31
20
46
56
35
24
29
30

High Clouds (% Sky Obscured)

50
97
100
100
100
100
100
100
100
98
38
27
4
25
62
100
100
100
99
90
76
33
41
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
1
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)

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

Chance of Frost

Temperature (°C)

15
14
14
14
13
12
12
13
16
18
20
21
23
25
26
26
27
26
26
25
24
21
19
18

Feels Like (°C)

11
11
11
11
11
10
11
12
15
16
18
21
22
23
24
23
23
22
21
22
21
19
19
17

Dew Point (°C)

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

Relative Humidity (%)

73
75
79
80
83
93
92
80
68
60
55
48
42
35
30
27
25
24
26
30
37
50
64
71

Pressure (mb)

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

Ozone (du)

333
330
327
327
327
329
329
325
322
321
320
318
315
314
313
310
306
305
303
300
298
297
297
297

Thursday 17

Waning Gibbous 59%

23:47

13:19

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:09, Set: 21:20, Transit: 13:15. Moon - Rise: 23:47, Set: 13:19. Civil Dark: 22:05 - 04:24. Nautical Dark: 23:11 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
90
95
99
99
97
96
97
99
100
100
100
100
83
66
52
49
47
44
51
59
69
73
73

Low Clouds (% Sky Obscured)

34
45
55
65
70
74
78
79
80
80
70
61
50
45
40
35
36
36
35
39
41
44
45
48

Medium Clouds (% Sky Obscured)

36
36
49
55
47
35
20
12
11
11
16
26
27
19
14
8
4
1
0
11
22
35
43
50

High Clouds (% Sky Obscured)

43
57
71
85
81
77
65
73
82
89
91
94
97
66
34
3
2
2
3
4
4
10
10
10

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
2
3
2
2
0
0
0
1
0
4
2
0
7
11
15
28
37

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
18
18
19
20
21
23
24
24
25
26
27
27
27
27
26
24
23
21
20

Feels Like (°C)

16
16
16
16
16
16
16
16
19
20
20
21
22
23
27
26
26
26
26
26
27
26
25
25

Dew Point (°C)

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

Relative Humidity (%)

76
81
78
76
72
71
70
66
65
61
58
56
54
52
49
44
40
39
38
37
44
50
59
67

Pressure (mb)

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

Ozone (du)

296
294
294
294
294
294
294
295
295
295
295
296
297
298
299
300
301
302
303
304
305
306
307
308

Friday 18

Third Quarter 48%

00:02

14:47

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:10, Set: 21:19, Transit: 13:15. Moon - Rise: 00:02, Set: 14:47. Civil Dark: 22:04 - 04:25. Nautical Dark: 23:09 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
79
85
89
82
76
68
79
89
97
95
92
91
86
80
75
77
84
90
81
70
63
71
79

Low Clouds (% Sky Obscured)

50
53
57
57
51
49
43
50
54
57
58
59
60
56
52
46
44
40
35
38
40
44
46
48

Medium Clouds (% Sky Obscured)

56
60
64
70
68
65
62
50
38
26
48
69
88
86
80
75
58
39
20
18
16
14
11
7

High Clouds (% Sky Obscured)

14
19
25
25
22
23
32
52
78
92
89
81
61
18
15
12
32
55
77
63
47
31
44
57

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

Precipitation Probability (%)

44
54
62
69
56
39
7
9
10
7
14
14
8
20
26
30
28
27
24
25
22
14
17
16

Precipitation Amount (mm)

0
0.3
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
16
16
16
17
17
19
21
23
23
24
25
25
26
26
27
27
28
25
23
20
20

Feels Like (°C)

24
23
15
15
16
16
15
15
17
17
18
18
19
21
24
24
23
23
23
23
25
24
23
21

Dew Point (°C)

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

Relative Humidity (%)

75
83
83
85
87
83
82
81
63
50
40
38
37
36
39
41
44
40
36
33
42
54
69
67

Pressure (mb)

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

Ozone (du)

309
310
311
312
312
313
313
313
314
315
315
317
318
319
320
320
320
320
320
319
320
321
321
322

Forecast for Northwick, Worcestershire, United Kingdom (52.21,-2.22)

Generated: 12/07/25 10:05:17. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00