Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waning Gibbous 80%

23:03

10:23

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

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)

23
18
14
11
18
29
28
41
57
60
62
55
54
51
72
93
97
84
80
94
88
88
81
84

Low Clouds (% Sky Obscured)

15
0
0
0
18
29
28
41
57
60
62
52
54
51
72
53
65
67
66
65
43
33
45
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
5
0
0
28
30
23
25
82
88
84
56
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
3
0
0
0
0
0
45
6
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
1
4
4
6
9
8
7
27
25
31
44
43
45
32
32
14
24
12

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)

19
17
15
13
12
11
9
8
7
6
6
7
11
15
18
20
21
22
24
26
25
23
22
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
55
68
74
78
79
83
87
90
92
90
83
68
58
59
58
61
62
58
49
51
54
63
71

Pressure (mb)

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

Ozone (du)

348
352
359
365
364
363
366
362
359
354
351
348
345
345
343
342
343
344
343
344
342
342
343
340

Tuesday 15

Waning Gibbous 70%

23:15

11:45

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

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)

100
100
100
33
35
31
75
100
100
100
91
51
63
50
55
51
54
70
99
90
94
91
94
74

Low Clouds (% Sky Obscured)

55
32
28
31
32
28
36
37
46
44
47
48
55
50
55
51
54
45
50
26
14
0
6
0

Medium Clouds (% Sky Obscured)

23
14
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
30
36
22
38
25
56
72

High Clouds (% Sky Obscured)

100
100
100
33
35
31
31
53
100
100
81
31
21
8
4
3
4
40
62
50
53
74
74
36

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 (%)

23
11
21
8
9
5
1
1
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)

16
15
15
16
15
15
14
13
13
12
11
10
12
14
14
14
14
14
13
13
12
11
10
9

Chance of Frost

Temperature (°C)

19
18
17
17
16
16
15
14
14
14
14
14
15
17
18
20
21
22
23
24
24
25
25
24

Feels Like (°C)

15
15
14
13
13
12
12
12
13
11
12
12
12
14
15
17
18
19
19
21
22
22
22
21

Dew Point (°C)

14
13
12
12
12
11
12
12
13
12
13
13
11
10
9
8
7
7
6
5
4
3
3
5

Relative Humidity (%)

72
73
70
72
74
75
83
87
90
90
93
92
78
63
53
46
41
37
32
29
25
24
25
28

Pressure (mb)

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

Ozone (du)

339
336
336
335
336
339
336
334
334
333
332
330
326
323
321
320
320
319
319
316
314
312
307
303

Wednesday 16

Waning Gibbous 59%

23:28

13:09

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

Sun - Rise: 05:06, Set: 21:08, Transit: 13:07. Moon - Rise: 23:28, Set: 13:09. Civil Dark: 21:51 - 04:23. Nautical Dark: 22:53 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

68
73
26
15
28
2
8
10
15
10
10
84
83
100
88
88
88
93
90
86
84
75
66
56

Low Clouds (% Sky Obscured)

7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
27
31
36
38
39
41

Medium Clouds (% Sky Obscured)

28
27
26
7
10
2
8
10
15
10
10
84
83
99
83
32
83
50
76
57
81
75
34
24

High Clouds (% Sky Obscured)

27
53
26
15
26
2
8
10
15
10
10
5
18
74
32
24
23
20
8
7
10
12
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
4
4
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
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
0
4
5
3
26
36
27
20
38
60
49
32
33
27
10
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
1
1
2
2
2
2
3
3
3
4
3
3
2
4
5
8
7
8
13
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
20
18
18
16
16
14
13
13
13
13
16
18
19
21
22
22
23
24
22
22
22
24

Dew Point (°C)

6
7
9
10
11
11
11
9
6
6
6
8
12
15
17
18
17
18
18
16
15
15
14
12

Relative Humidity (%)

31
36
49
59
68
73
74
71
60
57
58
64
79
88
92
88
77
79
74
61
57
59
55
48

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016

Ozone (du)

301
300
300
300
299
300
298
297
297
298
298
300
301
302
304
304
306
306
306
306
306
304
303
302

Thursday 17

Waning Gibbous 48%

23:41

14:35

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

Sun - Rise: 05:07, Set: 21:07, Transit: 13:07. Moon - Rise: 23:41, Set: 14:35. Civil Dark: 21:50 - 04:24. Nautical Dark: 22:51 - 03:24. Astro Dark: N/A - 01:19

Total Clouds (% Sky Obscured)

55
53
54
69
84
87
96
100
100
97
94
91
90
89
89
93
96
100
90
79
69
76
82
88

Low Clouds (% Sky Obscured)

34
27
20
23
25
28
18
9
0
5
9
15
10
5
1
17
26
42
33
28
26
18
10
1

Medium Clouds (% Sky Obscured)

29
31
34
47
61
71
57
40
24
25
74
79
88
85
82
71
55
45
51
56
61
75
77
69

High Clouds (% Sky Obscured)

6
1
10
36
66
87
95
99
100
76
53
34
43
56
71
81
90
100
75
50
25
25
25
20

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
1
0
0
0
0
0
0
0
0
0
1
2
4
4
10
22
30
42
50
24
12
9
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
67
73
77
85
87
89
89
89
90
89
87
79
72
65
67
66
70
72
74
75
70
66
53

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1014
1014
1013
1013
1013
1013
1012
1011
1011

Ozone (du)

303
303
303
305
304
306
308
309
310
313
316
317
317
317
318
323
324
326
329
331
333
335
337
343

Friday 18

Third Quarter 36%

23:58

16:04

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

Sun - Rise: 05:09, Set: 21:06, Transit: 13:07. Moon - Rise: 23:58, Set: 16:04. Civil Dark: 21:49 - 04:26. Nautical Dark: 22:49 - 03:26. Astro Dark: 00:54 - 01:33

Total Clouds (% Sky Obscured)

92
96
100
100
100
100
100
100
100
100
100
100
99
99
98
91
78
66
77
89
100
99
99
96

Low Clouds (% Sky Obscured)

0
0
0
11
23
34
25
15
6
14
22
29
96
92
88
79
70
60
60
69
76
63
47
31

Medium Clouds (% Sky Obscured)

66
43
30
29
31
42
38
42
50
46
57
70
61
26
10
4
3
1
4
10
15
16
14
9

High Clouds (% Sky Obscured)

26
53
85
81
81
100
100
100
100
100
100
100
95
90
86
64
39
17
43
71
100
89
79
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
3
3
8
9
9
9
9
9
9
9
8
7
6
7
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
None
None
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
7
12
14
39
39
74
68
71
95
95
63
66
56
52
48
37
18
18
19
26
31
28
17

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
0.3
0.4
1.2
0.9
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
4
2
2
3
3
3
3
3
3
3
4
3
5
8
10
12
13
14
14
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
60
78
86
88
92
92
92
93
95
96
98
96
92
88
85
78
74
69
65
62
58
58
58

Pressure (mb)

1011
1010
1010
1010
1010
1010
1009
1009
1008
1007
1007
1007
1006
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

346
339
332
330
331
331
331
332
332
333
335
337
337
338
338
339
339
339
339
340
341
342
343
345

Saturday 19

Waning Crescent 25%

00:21

17:33

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

Sun - Rise: 05:10, Set: 21:05, Transit: 13:07. Moon - Rise: 00:21, Set: 17:33. Civil Dark: 21:47 - 04:27. Nautical Dark: 22:47 - 03:28. Astro Dark: 00:40 - 01:42

Total Clouds (% Sky Obscured)

89
86
83
81
84
89
99
99
100
100
100
99
100
100
96
96
97
95
95
91
90
90
74
69

Low Clouds (% Sky Obscured)

25
15
8
17
27
40
45
46
47
53
50
48
61
73
86
83
80
77
69
60
52
54
56
58

Medium Clouds (% Sky Obscured)

21
27
34
20
10
5
10
16
21
21
29
29
34
35
30
32
40
44
36
29
26
21
15
8

High Clouds (% Sky Obscured)

49
34
18
17
20
27
51
76
100
91
82
71
79
75
71
61
65
69
72
69
65
70
66
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

17
24
23
34
32
27
33
41
42
56
53
41
59
78
86
89
95
87
73
56
40
28
19
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
11
9
7
7
8
8
8
8
9
10
11
13
14
14
15
16
17
17
18
18
19
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
64
73
83
86
89
92
93
93
95
92
87
84
69
58
48
53
60
67
56
48
40
42
45

Pressure (mb)

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

Ozone (du)

346
347
347
348
344
341
338
336
334
332
335
338
340
341
342
343
344
345
346
348
350
351
350
349

Sunday 20

Waning Crescent 15%

00:54

18:55

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
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: 05:11, Set: 21:03, Transit: 13:07. Moon - Rise: 00:54, Set: 18:55. Civil Dark: 21:46 - 04:29. Nautical Dark: 22:45 - 03:30. Astro Dark: 00:31 - 01:50

Total Clouds (% Sky Obscured)

65
62
56
51
45
41
53
66
72
71
78
88
92
96
97
96
96
91

Low Clouds (% Sky Obscured)

58
58
56
51
45
41
41
30
19
29
37
43
54
69
92
92
92
89

Medium Clouds (% Sky Obscured)

5
3
0
0
0
0
1
2
3
12
21
32
49
67
81
80
61
45

High Clouds (% Sky Obscured)

35
28
24
18
16
13
32
55
72
65
43
20
13
12
15
10
15
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
8
1
2
3
1
2
2
0
2
4
4
34
51
63
76
89
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.7

Wind Speed/Direction (mph)

15
13
11
9
8
8
7
6
5
4
4
4
5
8
10
13
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
14
14
14
14
14
12
11
12
12
12
11
11
15
14
14
14
14

Dew Point (°C)

8
9
10
11
12
12
11
11
10
9
9
10
10
12
14
15
16
17

Relative Humidity (%)

48
55
65
75
82
86
90
90
87
86
81
76
71
79
86
93
95
96

Pressure (mb)

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

Ozone (du)

347
347
347
347
344
341
338
334
331
327
324
320
317
315
312
309
308
308

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

Generated: 14/07/25 19:59:42. Forecast: 14/07/25 to 20/07/25. Timezone: UTC+1.00