Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

14:30

07:43

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

Sun - Rise: 08:04, Set: 16:05, Transit: 12:05. Moon - Rise: 14:30, Set: 07:43. Civil Dark: 16:45 - 07:24. Nautical Dark: 17:27 - 06:42. Astro Dark: 18:07 - 06:02

Total Clouds (% Sky Obscured)

99
99
98
90
63
22
0
4
0
5
29
32
6
14
22
30
0
0
4
22
19
22
0
0

Low Clouds (% Sky Obscured)

34
40
32
9
28
22
0
4
0
5
29
32
6
14
22
30
0
0
4
22
19
22
0
0

Medium Clouds (% Sky Obscured)

71
91
86
35
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

0
8
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 (%)

43
27
21
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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
8
11
13
13
14
15
15
15
14
14
12
10
8
7
7
7
8
10
12
13
13
12

Chance of Frost

Temperature (°C)

3
3
2
2
2
3
3
3
3
2
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

-2
-2
-3
-4
-3
-3
-3
-2
-2
-3
-4
-4
-4
-4
-3
-3
-4
-4
-4
-4
-5
-5
-5
-6

Dew Point (°C)

2
1
-1
-2
-1
-1
-2
-3
-3
-3
-3
-3
-3
-3
-2
-2
-3
-3
-3
-3
-4
-3
-4
-4

Relative Humidity (%)

96
89
79
76
80
79
70
67
68
69
73
75
78
83
87
89
89
87
89
86
83
84
83
80

Pressure (mb)

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

Ozone (du)

345
349
349
342
336
335
343
339
334
326
318
311
308
311
304
305
307
312
316
327
338
346
351
351

Saturday 3

Full Moon 99%

15:50

08:40

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

Sun - Rise: 08:03, Set: 16:07, Transit: 12:05. Moon - Rise: 15:50, Set: 08:40. Civil Dark: 16:46 - 07:24. Nautical Dark: 17:28 - 06:42. Astro Dark: 18:08 - 06:02

Total Clouds (% Sky Obscured)

0
0
0
0
0
17
5
12
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
17
5
12
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-1
1
2
2
2
1
1
-0
-1
-1
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3

Feels Like (°C)

-5
-5
-6
-6
-5
-4
-4
-4
-3
-4
-4
-4
-5
-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7

Dew Point (°C)

-5
-5
-5
-5
-7
-7
-6
-6
-5
-5
-5
-6
-5
-6
-7
-6
-6
-7
-8
-8
-9
-9
-9
-9

Relative Humidity (%)

79
79
79
76
63
59
59
57
59
61
66
67
74
71
66
71
74
69
67
67
65
63
63
63

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1016
1015
1016

Ozone (du)

349
352
353
357
358
356
353
355
358
356
357
357
357
352
358
362
366
366
369
367
370
369
364
361

Sunday 4

Waning Gibbous 96%

17:20

09:18

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

Sun - Rise: 08:03, Set: 16:08, Transit: 12:05. Moon - Rise: 17:20, Set: 09:18. Civil Dark: 16:47 - 07:24. Nautical Dark: 17:29 - 06:42. Astro Dark: 18:09 - 06:02

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
8
4
82
93
39
4
9
12
14
27
41
54

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
1
1
1
1
4
4
82
93
39
4
5
6
8
11
17
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
2
2
2
2
4
2
8
1
1
5
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
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
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
22
41
14
7
2
0
0
0
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-4
-4
-4
-2
-0
1
2
2
1
-0
-1
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3

Feels Like (°C)

-7
-6
-7
-7
-6
-4
-3
-2
-2
-2
-3
-4
-4
-5
-5
-5
-6
-6
-5
-6
-6
-5
-6
-7

Dew Point (°C)

-9
-9
-9
-9
-10
-9
-8
-7
-6
-6
-5
-6
-6
-5
-4
-2
-3
-3
-4
-4
-4
-4
-5
-5

Relative Humidity (%)

65
68
70
68
57
51
50
52
55
58
68
71
74
79
89
94
94
96
94
94
92
92
91
91

Pressure (mb)

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

Ozone (du)

357
349
349
353
357
359
361
363
359
359
355
360
359
360
369
372
378
380
384
392
390
385
387
392

Monday 5

Waning Gibbous 91%

18:49

09:44

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

Sun - Rise: 08:03, Set: 16:09, Transit: 12:06. Moon - Rise: 18:49, Set: 09:44. Civil Dark: 16:48 - 07:24. Nautical Dark: 17:30 - 06:42. Astro Dark: 18:10 - 06:02

Total Clouds (% Sky Obscured)

59
65
69
66
64
57
46
34
22
15
8
0
11
24
35
21
11
1
1
1
0
0
0
0

Low Clouds (% Sky Obscured)

9
17
26
23
20
17
20
24
22
15
8
0
0
1
2
0
1
1
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

36
41
45
46
43
39
26
12
0
0
0
0
6
12
21
15
9
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

1
1
0
2
2
0
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)

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-2
-0
1
1
1
1
-1
-2
-2
-3
-3
-3
-4
-4
-4
-4
-4
-5
-5
-5

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-4
-4
-4
-6
-7
-7
-6
-5
-5
-5
-5
-4
-5
-5
-6
-7
-7
-7
-8
-8
-9
-9

Relative Humidity (%)

92
91
92
91
83
66
57
55
60
66
75
79
84
87
87
86
82
79
79
78
76
76
73
73

Pressure (mb)

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

Ozone (du)

394
396
403
407
407
410
405
395
393
392
392
390
392
397
398
398
393
391
393
394
392
393
394
395

Tuesday 6

Waning Gibbous 83%

20:13

10:02

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

Sun - Rise: 08:02, Set: 16:10, Transit: 12:06. Moon - Rise: 20:13, Set: 10:02. Civil Dark: 16:49 - 07:24. Nautical Dark: 17:31 - 06:41. Astro Dark: 18:11 - 06:01

Total Clouds (% Sky Obscured)

0
0
0
28
57
85
86
93
100
100
100
100
62
77
92
92
95
99
98
97
96
96
96
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
16
31
30
25
21
17

Medium Clouds (% Sky Obscured)

0
0
0
13
26
45
47
89
100
100
100
100
57
77
92
81
63
49
53
60
64
65
66
61

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
11
20
28
27
35
31
28
27
18
8
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
2
1
0
0
0
0
0
25
40
51
54
47
25
18
11
0
5
7
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
4
4
3
4
5
5
5
5
5
4
5
4
4
4
3
3
3
3
3
4
4
6

Chance of Frost

Temperature (°C)

-5
-5
-5
-5
-3
-2
0
1
1
1
-1
-1
-1
-2
-2
-2
-3
-3
-3
-3
-3
-3
-2
-2

Feels Like (°C)

-7
-7
-7
-7
-5
-4
-3
-2
-3
-4
-5
-5
-5
-6
-7
-7
-7
-6
-5
-6
-6
-6
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
72
64
57
54
53
58
62
70
75
81
86
92
98
96
98
96
94
91
91
89
87

Pressure (mb)

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

Ozone (du)

388
389
389
382
378
379
380
383
385
387
386
387
393
395
396
397
398
400
401
400
400
400
398
397

Wednesday 7

Waning Gibbous 74%

21:33

10:17

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

Sun - Rise: 08:02, Set: 16:12, Transit: 12:07. Moon - Rise: 21:33, Set: 10:17. Civil Dark: 16:50 - 07:23. Nautical Dark: 17:32 - 06:41. Astro Dark: 18:12 - 06:01

Total Clouds (% Sky Obscured)

84
86
88
76
66
57
41
21
0
0
0
0
21
42
61
53
44
39
41
46
48
66
87
100

Low Clouds (% Sky Obscured)

31
48
63
59
51
42
33
18
0
0
0
0
21
42
61
52
42
32
35
37
39
26
13
0

Medium Clouds (% Sky Obscured)

47
32
26
8
2
0
1
3
0
0
0
0
4
4
4
27
44
39
41
46
48
66
87
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
5
11
26
35
39
35
35
35
27
29
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
45
50
66
65
48
32
18
5
5
2
0
3
3
1
3
3
1
2
2
1
3
3
2

Precipitation Amount (mm)

0
0.1
0.1
0.3
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-1
-1
-0
0
1
1
1
1
1
0
-1
-2
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-1

Feels Like (°C)

-6
-5
-5
-5
-6
-5
-6
-3
-3
-3
-3
-3
-3
-6
-5
-5
-5
-5
-6
-6
-6
-6
-7
-6

Dew Point (°C)

-4
-4
-4
-3
-3
-3
-2
-2
-2
-2
-2
-3
-4
-4
-4
-5
-5
-5
-5
-5
-4
-4
-4
-3

Relative Humidity (%)

86
83
81
81
80
78
77
78
80
83
84
89
91
89
89
87
84
81
78
79
83
84
84
86

Pressure (mb)

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

Ozone (du)

395
396
397
398
397
397
396
391
386
381
376
372
367
366
365
364
350
337
323
323
324
324
326
328

Thursday 8

Waning Gibbous 64%

22:48

10:28

Sun - Rise: 08:02, Set: 16:13, Transit: 12:07. Moon - Rise: 22:48, Set: 10:28. Civil Dark: 16:51 - 07:23. Nautical Dark: 17:33 - 06:41. Astro Dark: 18:13 - 06:01

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 02/01/26 06:35:06. Forecast: 02/01/26 to 08/01/26. Timezone: UTC+0.00