Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 67%

21:16

12:00

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 OK
17 OK
18 OK

Sun - Rise: 07:55, Set: 15:51, Transit: 11:53. Moon - Rise: 21:16, Set: 12:00. Civil Dark: 16:30 - 07:16. Nautical Dark: 17:13 - 06:33. Astro Dark: 17:54 - 05:52

Total Clouds (% Sky Obscured)

86
85
98
100
100
100
100
100
90
85
100
54
58
59
60
56
54
54
55
55
49
38
35
34

Low Clouds (% Sky Obscured)

65
65
25
24
32
38
46
53
57
62
68
54
58
59
60
56
54
54
55
55
49
38
35
34

Medium Clouds (% Sky Obscured)

66
18
20
51
20
34
65
80
51
71
3
52
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
0
44
72
100
100
100
100
47
74
100
54
55
55
30
1
0
0
0
0
0
0
0
2

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
1
0
0
0
0
1
1
0
3
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)

17
16
15
12
12
12
12
12
11
11
11
11
11
11
12
12
12
12
12
12
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
8
8
8
8
8
9
9
8
9
8
8
8
8
8
8
8
8
7
7
7
7

Relative Humidity (%)

76
78
80
79
79
81
83
84
85
85
84
87
85
84
84
81
77
71
71
71
71
75
78
80

Pressure (mb)

1004
1005
1006
1007
1008
1008
1009
1009
1010
1010
1010
1011
1012
1013
1013
1014
1015
1015
1015
1016
1017
1018
1018
1019

Ozone (du)

284
284
286
285
282
281
282
282
282
283
286
289
291
296
297
296
298
300
306
319
316
318
318
316

Wednesday 10

Waning Gibbous 57%

22:36

12:12

19 OK
20 OK
21 OK
22 OK
23 Good
00 Good
01 Good
02 OK
03 OK
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: 07:56, Set: 15:50, Transit: 11:53. Moon - Rise: 22:36, Set: 12:12. Civil Dark: 16:30 - 07:17. Nautical Dark: 17:14 - 06:33. Astro Dark: 17:54 - 05:53

Total Clouds (% Sky Obscured)

32
36
20
27
9
3
1
19
48
88
54
53
53
52
56
51
61
60
61
75
81
67
90
95

Low Clouds (% Sky Obscured)

32
31
0
0
0
0
0
16
46
50
47
53
53
52
56
51
61
60
61
75
81
67
60
53

Medium Clouds (% Sky Obscured)

3
11
12
27
9
3
1
4
48
30
8
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
4
27
3
3
1
19
16
26
1
1
1
0
0
0
1
1
2
0
1
12
70
60

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)

9
9
8
9
9
9
9
8
8
8
8
8
8
8
8
9
9
10
9
9
8
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
84
82
79
78
79
84
85
87
88
90
90
91
88
82
83
78
76
78
80
85
85
87

Pressure (mb)

1020
1021
1021
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017

Ozone (du)

317
317
316
312
308
306
303
303
302
302
300
301
302
303
301
299
298
298
299
299
296
295
295
297

Thursday 11

Third Quarter 46%

23:52

12:22

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: 07:57, Set: 15:50, Transit: 11:54. Moon - Rise: 23:52, Set: 12:22. Civil Dark: 16:30 - 07:17. Nautical Dark: 17:14 - 06:34. Astro Dark: 17:54 - 05:54

Total Clouds (% Sky Obscured)

39
73
75
69
100
100
100
100
99
100
98
100
100
100
100
100
100
100
100
100
100
100
100
85

Low Clouds (% Sky Obscured)

39
42
58
38
65
65
82
93
82
86
89
67
61
56
63
56
87
84
77
71
72
69
65
40

Medium Clouds (% Sky Obscured)

0
0
7
4
17
98
96
99
98
94
76
93
39
30
30
46
38
34
35
30
43
51
64
77

High Clouds (% Sky Obscured)

5
56
60
52
99
98
100
69
40
100
53
100
100
65
100
96
100
100
100
100
68
37
5
6

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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
4
1
1
0
1
15
1
4
10
23
47
41
49
51
37
21
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
7
6
6
6
7
7
7
7
6
6
6
6
5
6
6
6
6
6
5
7
7
7

Chance of Frost

Temperature (°C)

9
9
9
9
8
8
9
9
9
9
9
10
10
10
10
10
11
11
11
11
10
10
9
8

Feels Like (°C)

8
8
8
8
7
6
7
6
7
7
7
8
8
8
8
9
9
10
9
9
9
7
6
5

Dew Point (°C)

7
7
7
7
8
7
8
8
8
8
9
9
9
9
9
9
8
8
8
8
8
7
5
4

Relative Humidity (%)

88
88
90
91
95
93
93
93
93
93
95
95
95
95
95
90
81
81
80
83
87
81
75
73

Pressure (mb)

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

Ozone (du)

298
303
307
304
304
304
304
304
306
307
310
309
309
309
309
310
311
313
313
316
316
317
321
323

Friday 12

Waning Crescent 36%

01:04

12:32

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

Sun - Rise: 07:58, Set: 15:51, Transit: 11:54. Moon - Rise: 01:04, Set: 12:32. Civil Dark: 16:31 - 07:18. Nautical Dark: 17:14 - 06:35. Astro Dark: 17:55 - 05:54

Total Clouds (% Sky Obscured)

71
60
73
75
100
43
23
3
9
16
26
34
42
46
58
68
79
84
81
81
90
100
96
80

Low Clouds (% Sky Obscured)

20
0
1
3
4
4
4
3
3
1
0
0
0
0
27
53
72
73
73
65
56
47
41
54

Medium Clouds (% Sky Obscured)

54
38
56
71
100
43
23
0
5
9
14
19
27
32
42
57
66
62
62
53
41
44
45
53

High Clouds (% Sky Obscured)

7
8
38
67
90
43
23
0
0
0
0
0
0
0
1
0
2
23
48
71
87
100
96
80

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
8
12
14
29
31
24
21
20
12
23

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)

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

Chance of Frost

Temperature (°C)

8
7
7
6
6
6
6
5
5
5
5
5
6
6
7
8
9
10
10
10
10
10
10
10

Feels Like (°C)

5
5
4
4
4
3
5
5
5
4
4
4
4
5
6
6
7
8
8
8
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

73
73
74
76
79
79
80
83
83
83
82
80
80
81
81
75
73
72
71
72
76
80
83
83

Pressure (mb)

1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

327
328
328
329
331
333
341
358
366
362
365
365
357
353
351
349
347
341
338
334
329
325
321
318

Saturday 13

Waning Crescent 27%

02:16

12:43

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 OK

Sun - Rise: 07:59, Set: 15:51, Transit: 11:55. Moon - Rise: 02:16, Set: 12:43. Civil Dark: 16:31 - 07:19. Nautical Dark: 17:14 - 06:36. Astro Dark: 17:55 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
99
99
98
96
97
51
52
54
51
54
69
71
75
77
77
78
57
30

Low Clouds (% Sky Obscured)

60
64
66
73
75
81
87
93
94
90
86
39
20
0
24
48
69
71
75
73
64
63
50
30

Medium Clouds (% Sky Obscured)

57
55
55
60
60
59
53
52
48
49
50
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
72
43
20
37
70
97
94
88
91
15
20
24
21
18
20
13
10
6
6
4
3
2

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

Precipitation Probability (%)

26
26
44
52
57
41
27
19
26
32
37
1
0
0
0
0
0
0
0
0
1
2
1
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
10
10
10
11
11
11
10
10
9
6
6
6
7
8
10
9
9
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
8
8
7
9
8
8
8
8
9
5
5
5
5
5
5
9
9
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

84
83
84
83
84
81
83
81
77
77
78
80
82
85
87
85
84
82
84
84
85
87
87
88

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1024
1024
1024
1023
1023
1022
1021
1021
1020
1020
1020
1019

Ozone (du)

315
315
313
311
309
306
304
302
300
301
303
304
304
303
303
301
300
298
298
297
297
299
302
304

Sunday 14

Waning Crescent 19%

03:28

12:56

19 OK
20 OK
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: 08:00, Set: 15:51, Transit: 11:55. Moon - Rise: 03:28, Set: 12:56. Civil Dark: 16:31 - 07:20. Nautical Dark: 17:14 - 06:37. Astro Dark: 17:55 - 05:56

Total Clouds (% Sky Obscured)

28
36
52
64
91
91
91
91
84
80
67
68
75
67
75
83
91
91
90
91
89
88
90
92

Low Clouds (% Sky Obscured)

28
36
47
39
37
47
62
67
74
80
67
68
72
63
70
77
84
84
84
84
82
80
77
78

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
13
30
26
19
7
13
19
30
20
10
0
0
0
0
8
11
14
12

High Clouds (% Sky Obscured)

1
1
29
60
91
90
83
76
50
24
1
9
18
27
31
33
42
45
48
52
48
47
44
53

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 (%)

3
2
5
5
2
10
19
27
32
33
29
16
8
1
4
2
1
4
4
5
4
2
0
1

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
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

9
9
9
9
9
8
8
8
8
8
8
8
8
9
9
10
10
11
11
11
11
11
11
11

Feels Like (°C)

9
9
8
8
8
7
6
6
6
6
6
6
7
7
7
7
7
8
8
8
8
8
8
8

Dew Point (°C)

8
8
8
7
7
6
6
6
6
6
7
7
7
7
7
7
8
8
9
9
9
9
9
9

Relative Humidity (%)

90
88
90
88
88
88
87
88
87
87
90
90
88
87
85
84
83
83
84
86
86
86
86
87

Pressure (mb)

1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

308
312
316
318
320
322
328
333
338
336
334
331
325
320
314
313
312
311
311
310
309
308
308
307

Monday 15

Waning Crescent 12%

04:41

13:12

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: 08:01, Set: 15:51, Transit: 11:56. Moon - Rise: 04:41, Set: 13:12. Civil Dark: 16:31 - 07:21. Nautical Dark: 17:14 - 06:37. Astro Dark: 17:55 - 05:57

Total Clouds (% Sky Obscured)

94
96
97
99
100
98
96
95
96
98
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

75
75
67
59
50
49
47
44
56
57
58
60
68
80
86
92
98

Medium Clouds (% Sky Obscured)

13
15
28
45
63
74
83
89
92
95
96
84
73
61
58
60
50

High Clouds (% Sky Obscured)

69
72
81
91
100
92
83
76
58
31
5
37
68
100
70
40
18

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
0
0
2
0
0
0
0
2
9
26
56
66
71
68
72
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.4
0.4

Wind Speed/Direction (mph)

10
10
10
9
9
9
7
6
4
4
3
3
3
3
3
2
4

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
10
9
9
9
9
9
10
10
10
10
10

Feels Like (°C)

8
9
9
9
8
8
7
7
7
7
8
7
8
8
8
8
9

Dew Point (°C)

9
9
9
9
9
9
9
8
8
8
9
9
9
9
9
9
9

Relative Humidity (%)

87
88
88
90
90
91
93
93
95
95
95
95
95
95
93
93
93

Pressure (mb)

1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

307
307
307
307
306
306
311
316
321
318
315
312
308
305
301
303
305

Forecast for Harringay, Greater London, United Kingdom (51.59,-0.10)

Generated: 09/12/25 19:30:10. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+0.00