Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 88%

21:41

08:45

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
21 Bad
22 Bad

Sun - Rise: 07:32, Set: 16:55, Transit: 12:14. Moon - Rise: 21:41, Set: 08:45. Civil Dark: 17:31 - 06:56. Nautical Dark: 18:12 - 06:16. Astro Dark: 18:51 - 05:36

Total Clouds (% Sky Obscured)

59
68
75
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

59
68
68
70
87
76
81
91
89
100
100
100
100
100
100
100
100
100
94
82
81
96
85
94

Medium Clouds (% Sky Obscured)

59
68
75
80
100
100
100
100
100
54
100
70
100
57
82
81
55
23
27
44
65
100
98
64

High Clouds (% Sky Obscured)

59
68
75
80
100
49
100
92
100
37
53
53
100
36
36
53
7
50
100
100
74
67
88
69

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
4
10
34
53
80
79
79
81
79
67
51
40
47
67
47
15
10
6
11
13
50
70
44

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.4
0.4
0.4
0.4
0.3
0
0
0
0.4
0
0
0
0
0
0
0.2
0.6
0

Wind Speed/Direction (mph)

13
13
14
16
17
18
18
18
18
19
18
18
17
17
16
16
15
14
14
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
6
5
6
6
6
6

Relative Humidity (%)

87
88
88
87
86
88
90
90
91
91
93
93
93
94
94
94
94
94
96
94
96
96
94
98

Pressure (mb)

989
988
988
987
987
986
986
985
985
985
985
985
985
985
985
985
985
985
985
985
985
985
985
985

Ozone (du)

469
468
469
473
481
485
485
476
463
460
461
460
461
464
460
459
453
448
441
437
435
434
433
430

Thursday 5

Waning Gibbous 81%

22:57

08:55

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
21 Bad
22 Bad

Sun - Rise: 07:31, Set: 16:57, Transit: 12:14. Moon - Rise: 22:57, Set: 08:55. Civil Dark: 17:33 - 06:55. Nautical Dark: 18:13 - 06:14. Astro Dark: 18:53 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
99
100
99
98
100
100
100
100
100
100
100
100
100
100
100
99
64
84
86
77
72

Low Clouds (% Sky Obscured)

90
89
91
88
77
88
96
90
84
79
80
90
96
93
90
90
94
84
75
61
68
52
63
71

Medium Clouds (% Sky Obscured)

96
96
84
98
100
95
93
100
100
97
100
100
100
100
100
100
79
86
98
40
33
70
32
25

High Clouds (% Sky Obscured)

100
100
100
65
70
82
67
100
100
100
100
100
100
100
100
100
100
100
80
35
56
53
51
30

ISS Passover

Visibility (miles)

0
0
1
1
2
2
2
3
3
8
9
8
9
9
9
9
9
5
5
5
5
5
5
5

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

Precipitation Probability (%)

38
35
33
53
67
51
43
45
43
48
57
64
72
79
65
59
70
79
83
81
82
85
79
64

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0
0.2
0.3
0.5
0.2
0
0.4
0.5
0.6
0.5
0.6
0.7
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
7
7
7
7
7
7

Feels Like (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
3
4
4
3
4
4
4

Dew Point (°C)

6
6
6
6
6
6
7
6
7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6

Relative Humidity (%)

98
98
96
98
96
96
98
96
96
96
96
94
94
95
93
93
93
93
94
94
96
96
96
98

Pressure (mb)

985
985
985
985
985
985
985
985
986
986
986
987
987
987
987
987
987
988
988
988
989
990
990
991

Ozone (du)

424
421
419
419
420
420
416
416
419
418
417
415
414
415
417
419
421
421
424
426
425
423
420
417

Friday 6

Waning Gibbous 72%

22:57

09:05

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
21 Bad
22 Bad

Sun - Rise: 07:29, Set: 16:59, Transit: 12:14. Moon - Rise: 22:57, Set: 09:05. Civil Dark: 17:35 - 06:53. Nautical Dark: 18:15 - 06:13. Astro Dark: 18:54 - 05:33

Total Clouds (% Sky Obscured)

76
75
62
78
90
100
100
100
100
100
99
99
100
98
99
81
70
96
100
99
98
88
98
97

Low Clouds (% Sky Obscured)

74
73
57
75
77
62
85
74
82
90
96
89
83
93
75
59
56
86
82
84
83
73
88
90

Medium Clouds (% Sky Obscured)

25
30
30
35
61
100
99
100
100
100
97
77
26
18
23
8
0
18
65
91
85
49
46
86

High Clouds (% Sky Obscured)

35
45
50
57
56
95
100
78
87
98
37
20
56
65
44
50
42
67
38
35
25
30
37
50

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
65
78
78
76
61
66
84
95
84
54
36
27
26
19
30
30
32
25
22
25
36
59
69

Precipitation Amount (mm)

0
0.3
0.5
0.6
0.5
0.2
0.3
0.7
1.3
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
4
4
4
5
4
5
5
5
5
5
6
6
6
6
6
5
4
5
4

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
98
96
96
96
94
98
94
91
90
90
90
90
93
95
95
93
93
93
94
94

Pressure (mb)

991
991
992
992
993
993
993
993
993
994
994
995
995
995
995
995
995
996
996
997
997
998
998
999

Ozone (du)

416
417
416
417
419
421
420
421
422
421
420
420
420
422
424
423
422
420
419
418
416
417
416
415

Saturday 7

Waning Gibbous 63%

00:12

09:18

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
21 Bad
22 Bad

Sun - Rise: 07:27, Set: 17:01, Transit: 12:14. Moon - Rise: 00:12, Set: 09:18. Civil Dark: 17:36 - 06:51. Nautical Dark: 18:17 - 06:11. Astro Dark: 18:56 - 05:32

Total Clouds (% Sky Obscured)

94
95
94
92
94
96
98
96
95
94
94
75
62
76
72
62
69
73
78
72
65
60
67
77

Low Clouds (% Sky Obscured)

83
83
87
84
85
86
88
85
83
80
76
67
61
53
45
37
44
56
64
53
37
29
42
57

Medium Clouds (% Sky Obscured)

67
68
68
64
69
72
42
36
32
26
23
23
22
18
15
11
9
8
50
56
47
53
61
61

High Clouds (% Sky Obscured)

30
34
33
35
29
27
30
22
21
11
1
1
1
1
11
14
26
32
28
22
13
15
6
12

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
8
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 (%)

41
30
29
33
35
29
27
23
24
10
31
40
40
44
45
33
27
22
7
5
11
13
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
6
6
7
7
7
7
7
7
7
7
8
8
7
7
6
6
6
6
6

Relative Humidity (%)

94
94
93
91
90
88
90
91
93
93
91
90
85
83
81
84
83
82
87
88
90
93
93
91

Pressure (mb)

999
999
1000
1000
1000
1001
1001
1001
1002
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006

Ozone (du)

414
413
413
414
417
416
414
413
413
411
410
409
411
411
412
416
423
433
439
446
445
455
453
446

Sunday 8

Waning Gibbous 53%

01:27

09:35

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
21 Bad
22 Bad

Sun - Rise: 07:25, Set: 17:03, Transit: 12:14. Moon - Rise: 01:27, Set: 09:35. Civil Dark: 17:38 - 06:50. Nautical Dark: 18:18 - 06:10. Astro Dark: 18:58 - 05:30

Total Clouds (% Sky Obscured)

87
81
83
87
99
98
97
97
97
98
98
98
98
95
93
93
96
98
100
99
97
94
91
89

Low Clouds (% Sky Obscured)

86
67
54
45
58
66
80
74
70
61
63
66
71
65
59
52
38
24
10
18
26
34
33
31

Medium Clouds (% Sky Obscured)

55
19
44
56
73
78
66
70
75
79
79
75
69
70
74
80
91
93
100
96
92
88
84
81

High Clouds (% Sky Obscured)

15
26
51
83
92
84
76
79
76
88
88
89
91
73
57
36
28
20
21
27
28
29
24
16

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
0
0
0
0
2
2
0
0
0
1
2
2
5
6
5
9
8
2
4
5
1
2
2

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)

7
7
7
7
7
7
8
9
9
9
10
11
12
12
12
12
12
11
11
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
93
93
94
94
93
91
91
91
91
88
87
87
87
87
87
88
90
91
91
90
91
91

Pressure (mb)

1006
1005
1005
1005
1004
1004
1003
1003
1003
1003
1003
1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
999

Ozone (du)

448
451
443
430
422
415
408
408
417
425
422
415
410
405
406
406
407
407
406
406
405
405
404
403

Monday 9

Third Quarter 43%

02:41

09:57

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
21 Bad
22 Bad

Sun - Rise: 07:23, Set: 17:04, Transit: 12:14. Moon - Rise: 02:41, Set: 09:57. Civil Dark: 17:40 - 06:48. Nautical Dark: 18:20 - 06:08. Astro Dark: 18:59 - 05:29

Total Clouds (% Sky Obscured)

86
87
87
90
89
88
91
95
96
98
97
96
94
93
90
70
73
81
90
95
98
100
100
100

Low Clouds (% Sky Obscured)

29
29
30
29
37
46
56
67
79
90
88
87
89
93
90
70
73
81
90
87
78
69
77
85

Medium Clouds (% Sky Obscured)

77
67
55
50
54
55
49
42
20
21
21
21
20
30
36
38
41
53
66
52
42
47
67
82

High Clouds (% Sky Obscured)

5
5
5
5
3
2
1
0
0
1
0
0
0
0
0
0
5
10
15
44
72
100
82
70

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
2
0
0
0
0
0
0
1
8
12
14
30
38
44
40
37
37
36
36
35
28
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
4
4
4
4
4
4
4
4
3
4
3
4
4
5
5
5
5
5

Relative Humidity (%)

93
94
96
94
96
96
96
96
96
94
94
88
81
77
75
75
74
78
84
90
90
91
93
93

Pressure (mb)

999
999
999
999
998
998
998
998
998
998
998
998
997
997
996
996
995
994
994
994
993
993
992
992

Ozone (du)

402
401
397
393
389
387
384
382
384
387
389
395
401
406
403
400
397
388
380
372
369
367
365
362

Tuesday 10

Waning Crescent 34%

03:52

10:28

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: 07:21, Set: 17:06, Transit: 12:14. Moon - Rise: 03:52, Set: 10:28. Civil Dark: 17:42 - 06:46. Nautical Dark: 18:22 - 06:06. Astro Dark: 19:01 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
96
98
99
100
100
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

92
92
92
93
93
93
93
90
88
87
90
92
94
93
91
91
86
82
79

Medium Clouds (% Sky Obscured)

88
90
95
98
93
91
89
92
97
100
99
98
98
97
98
98
98
98
100

High Clouds (% Sky Obscured)

68
65
53
49
50
61
67
68
79
75
67
63
60
58
51
39
35
30
30

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

16
33
42
50
60
69
77
74
70
65
72
76
78
77
76
76
69
63
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
8
8
8
8
8
8
8
7
6
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

6
6
6
7
7
6
6
6
6
6
6
6
7
7
8
7
7
7
7

Feels Like (°C)

3
3
3
2
2
2
2
2
2
2
1
2
2
3
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
91
91
93
91
93
91
91
91
91
93
93
93
94
94
94
94

Pressure (mb)

991
991
990
989
989
989
988
988
988
988
989
989
989
989
989
989
990
990
990

Ozone (du)

358
355
354
352
351
350
349
348
347
346
345
345
345
346
347
349
351
353
355

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 04/02/26 23:57:34. Forecast: 04/02/26 to 10/02/26. Timezone: UTC+0.00