Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waning Gibbous 80%

23:03

10:23

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

Sun - Rise: 05:04, Set: 21:10, Transit: 13:06. Moon - Rise: 23:03, Set: 10:23. Civil Dark: 21:54 - 04:20. Nautical Dark: 22:57 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
79
94
100
100
57
21
7
0
0
6
0
0
17
38
55
44
64
60
64
67
74
78
89

Low Clouds (% Sky Obscured)

70
58
57
46
43
18
0
0
0
0
6
0
0
17
38
51
44
64
60
64
67
64
51
60

Medium Clouds (% Sky Obscured)

31
11
0
0
93
89
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
22
28

High Clouds (% Sky Obscured)

74
100
93
94
93
15
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
48
70
64

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
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

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
3
4
4
4
6
6
7
9
24
30
36

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)

16
16
17
17
16
18
18
18
16
12
12
11
10
9
7
7
6
5
6
10
15
18
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
58
61
61
57
48
46
48
57
65
74
77
78
82
89
90
90
90
84
68
58
52
54
58

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

338
336
336
338
338
341
344
344
346
351
360
366
367
366
364
363
358
353
351
348
343
338
339
340

Tuesday 15

Waning Gibbous 70%

23:15

11:45

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
05 Bad
06 Bad
07 OK
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:05, Set: 21:09, Transit: 13:06. Moon - Rise: 23:15, Set: 11:45. Civil Dark: 21:53 - 04:21. Nautical Dark: 22:55 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
77
81
68
90
100
100
100
100
100
100
100
100
100
100
88
31
41
36
41
53
55
57
65

Low Clouds (% Sky Obscured)

65
58
60
50
45
26
28
4
39
53
36
7
6
0
7
9
25
31
36
40
53
55
57
51

Medium Clouds (% Sky Obscured)

36
23
26
15
24
34
46
26
20
18
12
3
0
0
0
0
0
0
0
0
0
0
1
30

High Clouds (% Sky Obscured)

0
0
0
0
23
100
100
100
100
100
100
100
100
86
96
51
22
41
36
21
2
4
8
17

ISS Passover

Visibility (miles)

8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
46
38
21
11
10
3
0
2
5
4
2
4
6
5
2
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
13
13
14
14
14
14
13
13
14
13
13
12
11
12
12
12
11
12
14
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

57
54
54
46
47
52
51
57
66
70
65
63
69
70
70
74
83
92
89
80
64
50
41
34

Pressure (mb)

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

Ozone (du)

340
341
340
338
339
338
335
334
333
331
331
330
328
328
328
326
325
323
324
321
318
317
317
316

Wednesday 16

Waning Gibbous 59%

23:28

No Set

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 Good
01 Good
02 Good
03 Good
04 Good
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:06, Set: 21:08, Transit: 13:06. Moon - Rise: 23:28, Set: No Set. Civil Dark: 21:51 - 04:23. Nautical Dark: 22:53 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
82
75
79
57
67
53
100
98
100
95
88
3
0
6
9
0
39
80
96
100
97
94
100

Low Clouds (% Sky Obscured)

24
53
35
27
28
26
0
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22

Medium Clouds (% Sky Obscured)

60
58
68
54
57
67
53
64
8
14
6
3
3
0
6
4
0
13
29
45
31
24
31
32

High Clouds (% Sky Obscured)

14
7
3
2
4
22
42
66
75
93
93
88
3
0
6
9
0
25
54
35
97
75
74
98

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
17
7

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)

13
12
12
11
12
13
13
9
8
10
6
4
2
1
1
2
2
2
2
3
5
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
2
2
3
5
7
7
4
7
8
8
9
9
9
9
7
7
8
9
13
13
13
13

Relative Humidity (%)

29
25
22
21
22
26
30
31
28
38
50
54
61
67
69
70
61
63
66
60
70
65
60
57

Pressure (mb)

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

Ozone (du)

315
312
310
308
305
303
301
299
298
298
299
300
300
300
299
298
298
299
302
303
303
302
301
300

Thursday 17

Waning Gibbous 48%

23:41

13:09

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

Sun - Rise: 05:07, Set: 21:07, Transit: 13:07. Moon - Rise: 23:41, Set: 13:09. Civil Dark: 21:50 - 04:24. Nautical Dark: 22:51 - 03:24. Astro Dark: N/A - 01:19

Total Clouds (% Sky Obscured)

100
96
97
85
79
36
1
22
46
67
57
46
32
53
77
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
58
57
65
24
0
0
0
0
0
9
18
26
39
52
65
68
71
74
66
62
50
64
59

Medium Clouds (% Sky Obscured)

27
18
19
20
17
14
0
1
2
3
3
3
3
3
2
8
20
20
22
53
80
100
100
100

High Clouds (% Sky Obscured)

93
76
26
1
2
1
1
19
41
54
46
33
10
43
70
100
100
100
100
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
8
3

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
Light Rain

Precipitation Probability (%)

7
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
11
19
49
67
95

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
1.3

Wind Speed/Direction (mph)

8
9
10
12
12
10
12
11
8
6
5
4
3
4
2
1
2
2
3
2
3
5
8
7

Chance of Frost

Temperature (°C)

22
24
24
24
24
24
24
23
22
19
17
17
16
16
15
15
15
15
16
17
19
20
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
50
48
46
50
50
48
55
59
78
90
92
90
92
92
89
89
85
81
71
63
60
71
86

Pressure (mb)

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

Ozone (du)

300
300
300
301
301
301
302
304
304
303
303
303
304
305
307
309
311
315
318
319
321
322
324
325

Friday 18

Third Quarter 36%

23:58

14:35

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:09, Set: 21:06, Transit: 13:07. Moon - Rise: 23:58, Set: 14:35. Civil Dark: 21:49 - 04:26. Nautical Dark: 22:49 - 03:26. Astro Dark: 00:54 - 01:33

Total Clouds (% Sky Obscured)

100
85
70
58
58
61
60
70
76
86
86
100
100
100
100
100
100
100
100
100
100
100
96
92

Low Clouds (% Sky Obscured)

49
45
41
37
36
45
44
25
9
0
0
0
0
14
29
43
46
48
50
56
61
67
70
71

Medium Clouds (% Sky Obscured)

99
85
70
58
43
38
30
46
48
56
46
41
41
48
57
67
99
93
98
96
92
86
76
65

High Clouds (% Sky Obscured)

100
75
46
6
2
1
0
26
51
76
76
100
100
100
100
100
100
100
100
100
100
100
81
57

ISS Passover

Visibility (miles)

2
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

76
37
26
23
22
24
17
17
14
8
21
29
37
67
83
88
95
95
95
95
95
95
90
87

Precipitation Amount (mm)

0.7
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.4
0.7
1
0.9
0.8
0.8
0.6
0.4
0.4

Wind Speed/Direction (mph)

6
6
6
6
4
7
7
7
5
3
2
1
1
2
2
3
3
3
3
3
5
6
7
7

Chance of Frost

Temperature (°C)

21
21
22
23
23
24
23
23
22
20
19
18
17
17
17
17
16
16
17
17
18
19
20
21

Feels Like (°C)

21
22
23
24
25
24
23
23
23
22
22
21
18
18
18
17
17
17
18
18
18
19
20
21

Dew Point (°C)

20
20
21
21
21
19
17
16
17
17
17
16
16
15
15
15
15
15
16
16
16
16
14
10

Relative Humidity (%)

95
94
94
89
88
72
66
65
73
86
89
88
90
89
90
92
93
93
92
89
88
85
69
48

Pressure (mb)

1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006

Ozone (du)

327
333
340
335
329
327
326
326
327
329
330
329
327
327
327
327
330
331
331
331
331
332
333
335

Saturday 19

Waning Crescent 25%

00:21

16:04

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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

Sun - Rise: 05:10, Set: 21:05, Transit: 13:07. Moon - Rise: 00:21, Set: 16:04. Civil Dark: 21:47 - 04:27. Nautical Dark: 22:47 - 03:28. Astro Dark: 00:40 - 01:42

Total Clouds (% Sky Obscured)

87
92
96
100
100
100
100
77
54
34
41
52
60
73
85
94
95
96
98
97
93
92
89
87

Low Clouds (% Sky Obscured)

77
71
66
60
60
60
58
60
54
34
41
52
60
60
54
46
54
63
68
63
62
60
62
64

Medium Clouds (% Sky Obscured)

57
63
71
74
50
29
10
7
4
0
1
1
2
11
22
36
38
35
30
17
8
4
0
0

High Clouds (% Sky Obscured)

43
59
82
100
100
100
100
67
34
1
2
2
3
19
39
60
65
75
83
65
33
2
33
64

ISS Passover

Visibility (miles)

9
3
5
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

95
95
83
34
30
19
7
13
8
0
2
2
1
4
8
15
35
46
50
51
52
54
44
39

Precipitation Amount (mm)

0.7
1.3
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0

Wind Speed/Direction (mph)

8
13
13
14
15
15
14
14
13
11
9
8
7
6
6
6
7
7
7
7
9
10
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
19
19
19
19
19
20
20
16
15
15
15
15
14
14
14
15
15
15
15
15
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

40
56
53
48
44
47
51
55
63
72
83
87
92
95
95
95
93
92
90
89
77
65
56
55

Pressure (mb)

1006
1006
1006
1006
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

335
336
337
338
339
340
342
343
342
341
340
339
337
336
337
337
338
339
340
341
343
344
346
348

Sunday 20

Waning Crescent 15%

00:54

17:33

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:11, Set: 21:03, Transit: 13:07. Moon - Rise: 00:54, Set: 17:33. Civil Dark: 21:46 - 04:29. Nautical Dark: 22:45 - 03:30. Astro Dark: 00:31 - 01:50

Total Clouds (% Sky Obscured)

85
82
75
68
77
87
98
100
100
100
100
100
100
96
91
87
88
89
92
91
91
91
93
94

Low Clouds (% Sky Obscured)

65
63
57
51
51
51
50
49
47
46
59
73
87
73
59
46
56
69
82
82
80
83
83
83

Medium Clouds (% Sky Obscured)

3
16
26
30
40
51
54
53
55
60
53
43
25
29
36
41
51
62
72
60
48
35
29
23

High Clouds (% Sky Obscured)

85
68
42
15
44
72
97
97
98
94
66
40
16
15
14
14
13
14
18
20
17
13
19
25

ISS Passover

Visibility (miles)

9
9
7
4
1
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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

Precipitation Probability (%)

29
31
41
60
75
79
81
67
67
70
60
49
37
32
31
29
41
41
39
41
46
51
54
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
50
58
67
74
78
80
84
86
88
92
92
90
90
92
90
90
92
90
90
89
87
86
79

Pressure (mb)

1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007

Ozone (du)

351
354
350
346
343
350
357
364
363
363
362
361
359
358
360
361
363
364
365
365
362
359
356
356

Forecast for Southgate, West Sussex, United Kingdom (51.11,-0.19)

Generated: 14/07/25 23:08:47. Forecast: 14/07/25 to 20/07/25. Timezone: UTC+1.00