Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:38

No Set

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

Sun - Rise: 05:06, Set: 20:43, Transit: 12:55. Moon - Rise: 03:38, Set: No Set. Civil Dark: 21:24 - 04:25. Nautical Dark: 22:21 - 03:27. Astro Dark: 23:46 - 02:00

Total Clouds (% Sky Obscured)

79
84
87
83
53
58
85
82
86
99
100
99
91
86
66
77
58
62
63
64
100
100
100
97

Low Clouds (% Sky Obscured)

72
84
50
66
43
42
68
57
67
68
56
61
82
79
66
77
58
62
35
46
60
62
57
69

Medium Clouds (% Sky Obscured)

79
84
42
56
42
50
73
63
72
91
94
80
23
14
2
2
20
5
63
64
99
99
100
95

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

95
95
46
23
23
6
1
1
0
1
1
2
2
1
1
13
29
40
52
61
74
88
88
83

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
4
3
3
2
2
2
1
1
1
1
2
1
3
5
6
8
8
9
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

82
84
85
88
91
94
96
94
96
96
96
96
96
96
96
90
82
78
68
62
58
57
56
58

Pressure (mb)

1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

435
433
436
440
440
439
437
436
437
440
443
443
443
441
440
440
441
442
441
439
435
434
433
433

Thursday 14

Waning Crescent 3%

03:53

17:59

17 Bad
18 Bad
19 Bad
20 OK
21 OK
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

Sun - Rise: 05:05, Set: 20:44, Transit: 12:55. Moon - Rise: 03:53, Set: 17:59. Civil Dark: 21:26 - 04:23. Nautical Dark: 22:23 - 03:25. Astro Dark: 23:51 - 01:54

Total Clouds (% Sky Obscured)

63
96
21
27
36
58
64
78
100
96
98
96
100
98
95
94
97
93
93
92
88
84
85
78

Low Clouds (% Sky Obscured)

60
55
7
16
22
28
48
31
44
47
42
56
41
44
55
51
74
33
49
39
27
40
27
5

Medium Clouds (% Sky Obscured)

63
96
21
27
36
58
64
78
90
96
96
95
100
97
92
91
87
87
88
91
87
70
83
78

High Clouds (% Sky Obscured)

2
2
3
1
2
18
31
31
100
34
86
67
91
35
37
43
40
35
30
25
15
14
14
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

75
66
54
21
3
0
0
0
0
0
0
0
0
2
2
0
18
28
35
31
26
17
19
38

Precipitation Amount (mm)

0.4
0.3
0.2
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
8
7
7
6
7
6
6
6
6
6
7
7
7
8
9
11
11
11
11
11
11
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
5
3
2
2
2
1
1
2
2
2
2
3
4
4
5
7
7
8
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

67
80
81
84
90
91
93
94
96
96
94
96
96
94
91
88
77
73
68
62
57
53
50
50

Pressure (mb)

1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

433
432
435
438
437
435
433
429
424
423
422
421
421
421
421
420
419
418
417
415
413
413
413
413

Friday 15

Waning Crescent 0%

04:14

19:32

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

Sun - Rise: 05:03, Set: 20:46, Transit: 12:55. Moon - Rise: 04:14, Set: 19:32. Civil Dark: 21:28 - 04:21. Nautical Dark: 22:26 - 03:23. Astro Dark: 23:57 - 01:48

Total Clouds (% Sky Obscured)

47
76
68
87
87
75
52
52
42
33
14
14
6
3
15
61
65
68
72
71
90
94
95
91

Low Clouds (% Sky Obscured)

0
21
0
42
12
42
28
51
27
3
3
2
1
0
0
23
57
68
72
61
76
83
90
73

Medium Clouds (% Sky Obscured)

47
76
68
87
78
31
21
17
14
14
0
0
0
0
7
21
28
36
45
48
46
44
45
65

High Clouds (% Sky Obscured)

2
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
37

ISS Passover

Visibility (miles)

7
9
8
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
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

Precipitation Probability (%)

37
49
35
23
10
6
1
2
1
3
3
3
2
1
3
32
30
10
13
15
14
18
23
23

Precipitation Amount (mm)

0
0.2
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
8
7
4
4
3
3
4
3
4
4
3
3
4
4
5
7
7
8
9
8
9
10
11

Chance of Frost

Temperature (°C)

13
13
12
10
9
8
7
6
5
5
4
3
3
3
5
8
9
10
11
12
12
13
13
13

Feels Like (°C)

9
10
9
8
7
5
5
5
4
4
3
3
2
3
5
7
8
9
10
11
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

63
67
79
84
85
90
93
93
91
93
91
91
93
94
91
87
80
69
55
49
46
45
47
53

Pressure (mb)

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

Ozone (du)

413
415
416
418
420
422
426
431
436
437
436
435
435
428
418
411
409
407
406
405
404
404
403
403

Saturday 16

New Moon 1%

04:44

21:07

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

Sun - Rise: 05:02, Set: 20:47, Transit: 12:55. Moon - Rise: 04:44, Set: 21:07. Civil Dark: 21:30 - 04:19. Nautical Dark: 22:28 - 03:20. Astro Dark: 00:03 - 01:41

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

62
62
63
63
62
68
67
73
81
81
80
79
80
80
70
62
64
50
45
59
58
59
57
52

Medium Clouds (% Sky Obscured)

84
75
90
84
77
96
92
87
85
81
84
87
92
81
91
96
100
100
100
100
100
100
99
100

High Clouds (% Sky Obscured)

67
72
46
29
12
13
5
2
0
0
0
16
38
74
82
92
100
100
100
100
100
100
100
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
8
7
5
4
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

27
28
25
22
29
27
30
31
28
25
25
27
38
36
28
35
50
53
46
48
64
73
83
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
11
10
9
9
9
9
9
9
9
9
9
9
10
12
12
13
13
14
13
12
12

Feels Like (°C)

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

Dew Point (°C)

3
3
6
6
5
6
7
7
6
5
6
7
8
8
9
9
10
10
10
9
10
10
9
9

Relative Humidity (%)

52
52
65
69
73
84
84
87
82
77
82
87
88
93
98
91
87
84
80
76
74
78
81
81

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009

Ozone (du)

400
397
395
396
397
397
398
402
403
404
410
409
403
401
401
401
403
406
408
411
413
415
418
420

Sunday 17

Waxing Crescent 5%

05:30

22:38

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

Sun - Rise: 05:00, Set: 20:49, Transit: 12:55. Moon - Rise: 05:30, Set: 22:38. Civil Dark: 21:31 - 04:18. Nautical Dark: 22:30 - 03:18. Astro Dark: 00:09 - 01:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
83
83
91
96
96
100
100
100
97
97
97
98
99
99
98
98
97
97

Low Clouds (% Sky Obscured)

51
49
38
43
43
43
43
43
49
56
63
65
67
69
0
0
0
15
31
46
40
34
28
30

Medium Clouds (% Sky Obscured)

100
100
100
100
100
93
51
48
47
66
49
67
100
50
32
49
70
69
67
66
53
43
34
49

High Clouds (% Sky Obscured)

91
86
57
24
0
0
0
0
28
53
82
58
49
12
78
81
83
73
63
55
57
66
72
74

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

70
58
51
45
29
23
22
18
13
9
5
23
56
74
87
75
49
46
46
51
59
65
68
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
7
7
7
6
7
7
7
7
7
7
7
8
12
9
7
7
8
9
10
10
10
10

Chance of Frost

Temperature (°C)

11
11
11
10
9
9
8
8
8
7
7
7
7
8
8
9
11
12
13
14
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
87
91
93
95
95
94
94
96
94
96
96
95
88
83
77
77
78
76
78
80
82

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1008
1008
1008
1007
1013
1013
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

424
428
431
435
436
434
432
431
434
434
435
432
433
432
429
430
431
431
424
417
411
405
399
393

Monday 18

Waxing Crescent 12%

06:35

23:53

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

Sun - Rise: 04:59, Set: 20:50, Transit: 12:55. Moon - Rise: 06:35, Set: 23:53. Civil Dark: 21:33 - 04:16. Nautical Dark: 22:33 - 03:16. Astro Dark: 00:17 - 01:24

Total Clouds (% Sky Obscured)

97
95
96
98
100
100
100
100
100
100
100
100
100
100
100
99
99
97
94
92
94
96
97
92

Low Clouds (% Sky Obscured)

32
30
26
21
19
18
19
16
13
3
5
13
21
29
38
44
50
43
36
30
44
58
72
82

Medium Clouds (% Sky Obscured)

57
50
51
67
86
88
91
93
95
96
98
99
100
100
89
79
56
51
48
44
44
39
47
49

High Clouds (% Sky Obscured)

75
76
84
92
99
90
80
70
76
78
82
86
85
86
76
68
62
49
38
17
18
19
29
22

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
-
-
-
-
-
1
4
6
9
8
7
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

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

Precipitation Probability (%)

56
49
42
32
6
11
9
3
11
15
20
40
55
66
60
49
33
33
34
35
38
42
45
44

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
7
7
7
7
7
7
7
7
7
8
7
8
8
9
9
10
11
13
15
15
15
15

Chance of Frost

Temperature (°C)

15
14
14
13
12
10
10
10
9
9
9
9
9
10
10
11
12
13
15
16
17
17
16
16

Feels Like (°C)

11
11
11
10
10
10
9
7
7
7
6
6
7
7
7
8
8
8
9
9
8
15
13
12

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
89
92
96
95
95
95
95
95
96
96
96
98
98
96
95
84
73
63
65
67
70

Pressure (mb)

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

Ozone (du)

391
388
386
388
391
393
392
391
391
391
391
392
390
389
387
388
389
389
389
388
387
386
385
384

Tuesday 19

Waxing Crescent 21%

07:57

00:46

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:58, Set: 20:52, Transit: 12:56. Moon - Rise: 07:57, Set: 00:46. Civil Dark: 21:35 - 04:15. Nautical Dark: 22:35 - 03:14. Astro Dark: 00:27 - 01:09

Total Clouds (% Sky Obscured)

86
88
83
87
87
89
91
92
92
92
93
94
94
93
91
91
92
90
88
86

Low Clouds (% Sky Obscured)

86
88
83
74
64
68
73
74
79
81
83
82
84
87
84
85
82
64
46
29

Medium Clouds (% Sky Obscured)

39
38
34
28
25
22
22
23
28
34
39
51
62
69
63
58
52
51
57
65

High Clouds (% Sky Obscured)

10
1
12
21
30
9
10
25
44
53
62
53
40
25
30
34
42
32
22
15

ISS Passover

Visibility (miles)

7
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
29
25
21
9
15
10
0
1
0
0
0
3
0
0
0
0
6
6
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
11
11
11
10
10
9
9
8
8
9
9
9
10
11
11
11
11

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
12
12
12
12
12
12
12
12
12
13
14
15
16
17

Feels Like (°C)

12
12
12
12
12
13
12
12
11
9
9
9
10
9
9
10
11
11
11
12

Dew Point (°C)

10
11
11
11
11
11
11
11
11
11
11
10
10
10
10
11
11
11
11
11

Relative Humidity (%)

70
73
74
79
84
90
92
93
95
95
92
90
89
87
87
83
78
74
69
65

Pressure (mb)

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

Ozone (du)

382
380
379
377
376
375
375
374
374
373
372
371
368
365
363
358
354
350
350
350

Forecast for Old Harlow, Essex, United Kingdom (51.80,0.14)

Generated: 13/05/26 17:00:04. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00