Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 27

Waxing Gibbous 85%

12:20

05:53

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:49, Set: 17:39, Transit: 12:15. Moon - Rise: 12:20, Set: 05:53. Civil Dark: 18:13 - 06:15. Nautical Dark: 18:52 - 05:36. Astro Dark: 19:31 - 04:57

Total Clouds (% Sky Obscured)

86
85
91
100
91
82
91
79
92
95
86
80
84
98
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
61
50
64
78
57
85
64
84
89
70
71
77
96
94
100
100
100
91
98
100
100
84
83

Medium Clouds (% Sky Obscured)

76
21
32
39
30
26
24
11
11
18
15
0
0
20
63
72
93
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

69
85
36
100
48
40
50
50
50
6
0
0
0
0
0
0
0
0
0
0
33
90
82
78

ISS Passover

Visibility (miles)

1
9
9
9
9
9
9
9
9
9
9
8
9
9
8
5
5
4
8
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
1
2
1
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
28
59
76
74
72
69
62
58
63
49
48
62
81
84
85
82
86
82
88
89
67
29

Precipitation Amount (mm)

0
0
0
0.4
0.5
0.7
0.8
0.6
0.5
0.4
0.5
0
0
0.2
0.6
0.6
0.6
0.4
0.5
0.4
0.6
0.7
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
9
10
11
11
10
10
8
8
7
7
7
6
6
5
5
4
4
4
4
3
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

96
93
92
90
90
89
92
93
95
93
93
95
95
95
95
95
95
93
93
93
93
93
93
91

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1008
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013
1014
1014
1015
1016
1017

Ozone (du)

346
348
351
352
350
350
350
351
355
362
370
376
381
390
391
391
395
399
401
402
404
404
406
409

Saturday 28

Waxing Gibbous 92%

13:47

06:15

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

Sun - Rise: 06:47, Set: 17:41, Transit: 12:15. Moon - Rise: 13:47, Set: 06:15. Civil Dark: 18:15 - 06:13. Nautical Dark: 18:54 - 05:34. Astro Dark: 19:33 - 04:55

Total Clouds (% Sky Obscured)

100
88
88
51
75
51
47
50
50
27
23
48
52
61
42
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
50
41
51
60
51
47
50
47
27
0
13
45
48
6
72
53
58
73
80
86
85
90
95

Medium Clouds (% Sky Obscured)

92
66
26
0
17
0
0
3
45
4
19
28
28
26
24
37
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

77
15
17
0
0
0
0
3
50
3
3
0
0
0
4
95
100
100
100
96
100
100
100
25

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
7

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
24
33
41
39
31
28
10
2
0
0
0
0
0
0
1
2
5
3
53
85
95
95
80

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
0.8
0.5

Wind Speed/Direction (mph)

7
7
7
8
8
9
7
7
6
7
8
8
7
7
8
9
10
11
13
14
16
16
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
78
75
73
72
74
80
85
88
91
93
91
91
89
89
88
88
88
91
91
91
93
93

Pressure (mb)

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

Ozone (du)

413
418
417
416
413
411
409
410
412
415
417
417
415
409
403
399
394
390
387
388
389
390
388
390

Sunday 1

Waxing Gibbous 97%

15:16

06:31

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
06 Bad
07 Bad
08 Bad
09 OK

Sun - Rise: 06:45, Set: 17:43, Transit: 12:15. Moon - Rise: 15:16, Set: 06:31. Civil Dark: 18:17 - 06:11. Nautical Dark: 18:56 - 05:32. Astro Dark: 19:35 - 04:52

Total Clouds (% Sky Obscured)

95
90
99
98
97
100
100
99
92
96
100
81
100
95
99
87
67
51
41
70
61
44
35
37

Low Clouds (% Sky Obscured)

93
86
98
96
94
100
100
98
85
92
61
52
37
25
25
25
40
37
33
38
35
34
29
20

Medium Clouds (% Sky Obscured)

79
84
49
44
43
34
29
27
17
18
19
15
12
14
12
14
12
43
15
2
2
2
2
3

High Clouds (% Sky Obscured)

11
19
40
16
15
44
24
40
46
26
99
42
99
80
97
78
54
47
12
39
33
25
15
19

ISS Passover

Visibility (miles)

9
9
9
9
4
7
1
8
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

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
None

Precipitation Probability (%)

61
32
32
16
7
9
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
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
20
18
17
16
17
16
15
15
14
14
14
14
14
14
14
13
13
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
96
95
93
96
95
95
93
91
91
88
88
91
88
91
90
88
88
90
90
88
85

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

389
386
386
385
383
382
383
381
381
381
381
381
380
381
382
385
388
390
392
392
391
391
392
394

Monday 2

Waxing Gibbous 100%

16:41

06:44

10 OK
11 OK
12 OK
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

Sun - Rise: 06:42, Set: 17:45, Transit: 12:15. Moon - Rise: 16:41, Set: 06:44. Civil Dark: 18:18 - 06:09. Nautical Dark: 18:57 - 05:30. Astro Dark: 19:37 - 04:50

Total Clouds (% Sky Obscured)

24
25
42
61
71
69
60
84
92
81
100
100
100
91
89
70
55
70
93
100
98
99
99
98

Low Clouds (% Sky Obscured)

10
0
2
3
5
4
2
0
0
0
0
0
0
0
0
0
0
5
9
12
13
15
17
19

Medium Clouds (% Sky Obscured)

2
24
24
20
5
20
35
83
92
80
100
100
100
85
86
64
43
57
88
90
78
58
84
88

High Clouds (% Sky Obscured)

15
13
31
51
69
46
23
0
1
8
19
30
42
43
32
25
15
28
51
77
86
96
94
69

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
1
0
2
3
1
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
9
10
10
12
11
11
8
7
7
6
6
6
7
7
7
7
6
4
4
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

80
76
72
70
69
71
74
81
87
90
90
88
90
88
90
90
90
90
91
91
93
93
93
88

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022
1023
1023

Ozone (du)

394
395
396
398
398
399
398
398
397
397
398
399
399
400
398
398
397
396
395
395
395
394
395
395

Tuesday 3

Full Moon 100%

18:02

06:55

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
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:40, Set: 17:46, Transit: 12:14. Moon - Rise: 18:02, Set: 06:55. Civil Dark: 18:20 - 06:07. Nautical Dark: 18:59 - 05:27. Astro Dark: 19:39 - 04:48

Total Clouds (% Sky Obscured)

96
95
95
95
96
95
93
92
86
83
82
66
68
69
61
65
73
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
24
37
56
71
60
46
34
39
46
49
60
68
69
61
65
73
99
99
100
100
100
100
83

Medium Clouds (% Sky Obscured)

89
94
90
85
87
89
87
86
74
68
62
52
59
67
49
37
30
32
38
45
40
35
35
35

High Clouds (% Sky Obscured)

42
21
31
20
2
15
18
5
5
8
11
33
55
69
61
65
59
53
44
38
38
37
48
47

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 (%)

4
4
8
10
16
24
21
15
20
15
11
16
13
1
8
17
1
7
12
1
4
9
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
79
77
75
76
81
87
93
90
91
93
94
94
96
94
96
96
98
96
98
94
91
88

Pressure (mb)

1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1027
1027
1027

Ozone (du)

395
395
395
393
391
390
390
389
389
391
392
391
390
390
390
392
393
395
396
396
397
396
395
394

Wednesday 4

Waning Gibbous 97%

19:20

07:05

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

Sun - Rise: 06:38, Set: 17:48, Transit: 12:14. Moon - Rise: 19:20, Set: 07:05. Civil Dark: 18:22 - 06:04. Nautical Dark: 19:01 - 05:25. Astro Dark: 19:40 - 04:46

Total Clouds (% Sky Obscured)

95
95
95
95
90
87
66
64
43
23
0
2
4
5
19
32
46
51
57
70
75
84
88
91

Low Clouds (% Sky Obscured)

66
49
44
38
33
37
40
46
34
16
0
2
4
5
16
27
38
37
35
33
46
60
68
70

Medium Clouds (% Sky Obscured)

35
35
40
45
55
51
46
31
13
5
0
0
0
0
0
0
0
10
20
30
28
23
22
29

High Clouds (% Sky Obscured)

52
51
36
24
6
4
3
0
0
0
0
0
0
0
18
32
46
51
57
70
75
64
55
33

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 (%)

4
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
2
6
13
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
73
73
72
71
77
84
90
91
95
96
96
96
96
96
98
96
98
98
98
95
91
88

Pressure (mb)

1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1019
1019
1018
1018
1018
1018

Ozone (du)

394
394
394
397
400
403
402
401
401
400
399
398
398
398
398
396
394
393
391
389
387
388
389
391

Thursday 5

Waning Gibbous 93%

20:37

07:15

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: 06:36, Set: 17:50, Transit: 12:14. Moon - Rise: 20:37, Set: 07:15. Civil Dark: 18:24 - 06:02. Nautical Dark: 19:03 - 05:23. Astro Dark: 19:42 - 04:43

Total Clouds (% Sky Obscured)

95
95
95
95
95
95
95
91
86
87
88
79
74
77
82
92
94
94
91
81

Low Clouds (% Sky Obscured)

73
80
84
80
75
68
60
52
59
66
69
60
47
38
28
17
7
7
6
15

Medium Clouds (% Sky Obscured)

32
39
39
40
50
40
30
25
26
22
18
25
39
49
53
57
62
64
65
65

High Clouds (% Sky Obscured)

13
0
13
33
55
61
56
52
54
56
53
55
51
40
30
30
15
15
15
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

Fog (%)

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

Precipitation Probability (%)

23
25
42
54
78
81
73
60
21
21
20
16
7
2
3
3
2
8
9
0

Precipitation Amount (mm)

0
0
0
0
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
11
9
9
10
10
11
6
6
6
5
4
4
2
2
1
2
1

Dew Point (°C)

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

Relative Humidity (%)

81
76
72
71
72
72
76
81
85
88
91
93
93
91
91
91
93
93
93
93

Pressure (mb)

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

Ozone (du)

393
395
397
397
398
398
398
398
398
399
399
400
395
390
385
387
389
390
392
393

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 27/02/26 09:51:18. Forecast: 27/02/26 to 05/03/26. Timezone: UTC+0.00