Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 54%

00:01

10:51

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

Sun - Rise: 08:00, Set: 16:16, Transit: 12:08. Moon - Rise: 00:01, Set: 10:51. Civil Dark: 16:54 - 07:22. Nautical Dark: 17:36 - 06:40. Astro Dark: 18:16 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
56
42
43
37
37
40
43
44
45
47
39
43
52
59
50
49
23
27
51
44

Low Clouds (% Sky Obscured)

68
62
63
65
56
42
43
37
37
40
43
44
45
47
39
43
52
59
50
41
23
26
42
27

Medium Clouds (% Sky Obscured)

100
97
76
90
54
14
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

23
51
6
19
31
26
36
6
2
0
0
0
0
0
0
0
3
5
50
49
23
7
17
44

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 (%)

6
19
11
1
0
1
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)

16
17
17
17
18
17
16
15
14
14
13
12
11
12
12
12
12
11
10
7
6
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
85
80
78
80
81
86
87
89
89
89
86
83
82
79
79
77
83
89
89
89
87

Pressure (mb)

1003
1004
1005
1006
1007
1008
1009
1009
1010
1011
1012
1014
1015
1016
1017
1017
1018
1018
1019
1020
1021
1021
1022
1022

Ozone (du)

398
391
390
390
390
386
391
391
385
384
375
373
372
371
369
367
367
365
362
358
353
345
343
341

Saturday 10

Third Quarter 44%

01:14

11:03

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
19 Bad
20 Bad

Sun - Rise: 08:00, Set: 16:17, Transit: 12:08. Moon - Rise: 01:14, Set: 11:03. Civil Dark: 16:55 - 07:21. Nautical Dark: 17:37 - 06:40. Astro Dark: 18:17 - 06:00

Total Clouds (% Sky Obscured)

86
100
99
100
100
100
95
98
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
52
50
49
45
40
50
57
54
64
64
58
65
78
88
90
100
100
100
100
100
100
100
78

Medium Clouds (% Sky Obscured)

9
43
91
89
89
100
95
89
99
98
58
100
95
99
99
90
87
95
100
69
100
99
100
99

High Clouds (% Sky Obscured)

82
100
55
69
100
98
35
63
51
47
90
100
100
100
100
100
100
100
100
82
100
97
100
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
9
9
9
4
1

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
10
20
38
54
71
95
84
42
32
77
58
48
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.3
0.5
0
0
0.5
0
0
0

Wind Speed/Direction (mph)

2
1
2
3
4
6
6
7
9
10
13
14
16
18
19
20
21
22
22
22
22
22
24
24

Chance of Frost

Temperature (°C)

-2
-2
-3
-3
-2
-2
-1
-1
0
2
3
3
4
5
5
5
5
5
6
7
7
7
8
8

Feels Like (°C)

-4
-5
-5
-6
-5
-5
-5
-5
-4
-3
-3
-3
-2
-2
-2
-2
-2
-2
-1
-1
0
1
0
1

Dew Point (°C)

-3
-4
-4
-5
-4
-4
-4
-3
-3
-2
-1
1
0
1
1
2
3
4
5
6
6
7
7
8

Relative Humidity (%)

87
86
87
86
86
86
83
83
80
77
79
82
76
75
78
80
86
93
94
93
94
96
96
96

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1021
1020
1020
1019
1018
1018
1017
1016
1015
1014
1012
1012
1011
1010
1009
1008
1008

Ozone (du)

336
330
324
320
316
313
317
319
312
313
316
319
319
318
319
319
317
317
313
312
314
313
314
317

Sunday 11

Waning Crescent 35%

02:26

11:19

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
19 Bad
20 Bad

Sun - Rise: 07:59, Set: 16:18, Transit: 12:09. Moon - Rise: 02:26, Set: 11:19. Civil Dark: 16:57 - 07:21. Nautical Dark: 17:38 - 06:39. Astro Dark: 18:18 - 05:59

Total Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
94
91
95
89
83
83
78
70
68
76
72
75
75
74
71
68
73
78
73
78
74
70
66

Medium Clouds (% Sky Obscured)

99
77
80
63
57
89
86
82
52
70
27
71
68
86
98
85
88
84
71
65
4
4
0
0

High Clouds (% Sky Obscured)

28
47
100
100
100
100
100
100
100
100
100
100
100
94
100
100
100
73
32
100
100
100
100
100

ISS Passover

Visibility (miles)

0
2
2
1
9
8
9
9
9
9
9
9
9
9
7
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 (%)

29
46
43
33
45
48
21
14
9
8
18
20
50
45
33
25
16
23
20
13
3
2
1
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)

23
25
25
22
21
19
19
15
15
15
15
15
14
15
15
16
16
16
15
15
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
4
4
5
5
6
6
6
6
6
6
6
6
6
6
7
6
7
7
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
95
95
95
95
95
95
96
95
93
96
95
96
95
93
95
95
93
96
96
93

Pressure (mb)

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

Ozone (du)

318
319
320
318
317
317
317
318
318
318
318
316
313
310
309
309
311
315
317
318
323
327
330
329

Monday 12

Waning Crescent 26%

03:39

11:38

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
19 Bad
20 Bad

Sun - Rise: 07:58, Set: 16:20, Transit: 12:09. Moon - Rise: 03:39, Set: 11:38. Civil Dark: 16:58 - 07:20. Nautical Dark: 17:40 - 06:39. Astro Dark: 18:19 - 05:59

Total Clouds (% Sky Obscured)

91
81
72
80
90
100
100
100
99
100
100
100
99
98
97
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
67
67
68
70
72
79
86
94
90
87
86
76
66
51
63
75
87
81
80
78
74
72
67

Medium Clouds (% Sky Obscured)

0
0
21
40
30
25
46
71
97
96
95
95
95
94
44
64
89
88
90
94
100
95
99
100

High Clouds (% Sky Obscured)

77
53
30
53
75
100
72
43
20
46
73
100
91
83
75
83
91
100
81
60
40
62
81
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
0
2
0
2
7
9
9
9
9
9
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
12
14
3
3
3
11
29
63
87
82
84
77
65
44
40
39
41
46
53
49
40
35
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.7
0.5
0.5
0.4
0.3
0
0
0
0
0.2
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
9
9
9
9
9
9
9
9

Feels Like (°C)

5
5
6
6
7
7
7
7
7
6
6
6
5
5
6
5
6
5
5
5
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
98
96
98
98
98
98
96
98
96
95
95
90
91
91
93
93
93
93
95
96

Pressure (mb)

1008
1008
1008
1009
1009
1009
1008
1008
1008
1007
1007
1007
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

328
330
328
327
325
325
326
325
322
321
322
322
325
326
327
327
329
332
336
340
342
345
346
347

Tuesday 13

Waning Crescent 18%

04:50

12:05

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
19 Bad
20 Bad

Sun - Rise: 07:58, Set: 16:21, Transit: 12:09. Moon - Rise: 04:50, Set: 12:05. Civil Dark: 16:59 - 07:20. Nautical Dark: 17:41 - 06:38. Astro Dark: 18:20 - 05:58

Total Clouds (% Sky Obscured)

99
97
95
97
98
99
91
83
75
74
77
75
82
90
100
99
98
97
69
59
61
73
84
95

Low Clouds (% Sky Obscured)

74
82
91
93
96
99
91
83
75
73
71
69
79
90
100
97
94
91
65
39
17
19
25
34

Medium Clouds (% Sky Obscured)

86
74
49
37
35
5
3
3
3
5
36
5
18
37
68
73
78
70
53
44
40
65
84
95

High Clouds (% Sky Obscured)

75
50
25
4
9
11
20
10
7
18
19
4
2
2
1
3
7
12
14
19
22
23
27
26

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

22
28
28
26
24
14
18
19
24
28
25
35
42
36
37
86
74
45
34
29
28
44
56
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.5
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
7
7
7
7
7
6
6
7
6
7
7
7
7
7
7
7
7
7
5
5

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
96
98
98
98
96
96
98
98
98
98
95
96
95
95
96
96
98
98
98
98

Pressure (mb)

1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1009
1009
1009

Ozone (du)

347
347
347
347
343
342
343
345
346
345
343
339
345
353
357
360
362
363
365
361
358
354
355
356

Wednesday 14

Waning Crescent 11%

05:57

12:42

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 OK
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:57, Set: 16:23, Transit: 12:10. Moon - Rise: 05:57, Set: 12:42. Civil Dark: 17:01 - 07:19. Nautical Dark: 17:42 - 06:38. Astro Dark: 18:22 - 05:58

Total Clouds (% Sky Obscured)

96
97
98
99
99
100
100
100
100
83
66
49
66
83
100
96
92
88
66
42
13
34
59
85

Low Clouds (% Sky Obscured)

43
56
70
76
83
90
93
96
99
78
59
41
40
37
33
31
27
22
17
13
8
22
36
49

Medium Clouds (% Sky Obscured)

92
87
82
85
88
92
80
65
48
38
34
32
56
78
100
73
55
42
35
28
13
34
59
84

High Clouds (% Sky Obscured)

24
24
28
46
65
82
82
85
87
65
33
2
33
65
94
96
92
88
66
33
5
21
37
60

ISS Passover

Visibility (miles)

0
2
4
6
5
4
3
5
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
47
40
37
45
56
77
87
80
57
35
7
7
2
0
3
4
6
18
25
28
28
29
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
6
6
6
6
6
6
6
5
5
5
5
5
5
6
6
6
6
5
5
3
2

Dew Point (°C)

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

Relative Humidity (%)

98
96
94
93
93
96
98
98
96
96
96
94
94
88
82
77
79
82
85
87
91
93
94
94

Pressure (mb)

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

Ozone (du)

357
351
346
340
348
355
363
365
368
371
375
379
383
382
382
381
377
372
368
365
362
360
359
358

Thursday 15

Waning Crescent 6%

06:55

13:33

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

Sun - Rise: 07:56, Set: 16:24, Transit: 12:10. Moon - Rise: 06:55, Set: 13:33. Civil Dark: 17:02 - 07:18. Nautical Dark: 17:43 - 06:37. Astro Dark: 18:23 - 05:57

Total Clouds (% Sky Obscured)

88
92
96
97
98
99
99
100
100
100
100
100
99
99
99
99
100
100
99
98
97

Low Clouds (% Sky Obscured)

59
70
80
77
74
71
78
87
95
91
85
84
82
80
77
77
80
82
85
87
88

Medium Clouds (% Sky Obscured)

84
87
92
94
96
97
98
99
100
100
100
100
98
97
95
84
74
71
51
30
7

High Clouds (% Sky Obscured)

58
57
57
64
72
79
84
93
100
100
100
100
95
90
79
80
83
88
80
72
62

ISS Passover

Visibility (miles)

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

Precipitation Type

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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

30
35
45
42
35
25
50
69
87
91
95
95
95
93
90
79
63
41
38
36
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0.6
0.7
0.8
0.7
0.7
0.6
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
4
3
3
4
4
4
4
3
3
2
2
2
2
3
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
94
93
91
91
91
93
93
93
93
93
91
91
91
91
90
90
91
94

Pressure (mb)

1007
1006
1005
1005
1004
1003
1002
1001
1000
999
998
998
997
997
997
996
996
995
994
994
994

Ozone (du)

357
355
353
351
350
348
347
345
342
340
345
350
355
359
363
366
374
382
390
388
385

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

Generated: 09/01/26 21:50:38. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+0.00