Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 15

Waning Crescent 3%

04:16

19:40

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 OK
05 OK
06 OK
07 OK
08 Good
09 OK
10 Bad

Sun - Rise: 05:05, Set: 20:53, Transit: 13:00. Moon - Rise: 04:16, Set: 19:40. Civil Dark: 21:36 - 04:22. Nautical Dark: 22:36 - 03:21. Astro Dark: 00:20 - 01:29

Total Clouds (% Sky Obscured)

57
64
69
70
78
58
87
45
70
58
72
69
73
73
69
54
40
35
31
10
32
1
24
89

Low Clouds (% Sky Obscured)

47
56
38
43
22
0
26
24
36
28
37
46
58
56
44
35
0
0
0
0
0
0
13
44

Medium Clouds (% Sky Obscured)

12
19
19
20
17
3
38
17
26
15
21
21
16
7
18
12
18
13
9
6
11
1
24
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0

ISS Passover

Visibility (miles)

5
6
6
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
2
31
15
13
26
23
20
16
14
20
3
1
1
1
0
0
0
0
0
0
2
18

Precipitation Amount (mm)

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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
12
13
12
12
13
12
11
10
8
7
6
5
5
4
3
2
2
2
4
6
8
10

Feels Like (°C)

8
9
9
10
9
8
8
9
9
8
7
5
4
4
2
1
-0
-1
-1
-1
3
5
7
7

Dew Point (°C)

9
9
7
6
3
2
4
6
6
6
5
4
4
3
3
2
1
1
1
1
3
3
4
4

Relative Humidity (%)

87
79
71
64
54
50
56
66
74
78
79
82
83
86
86
89
88
89
91
89
88
81
74
67

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1009
1008

Ozone (du)

421
426
430
432
432
433
432
431
426
422
422
415
411
409
408
406
405
404
402
402
402
402
402
402

Saturday 16

New Moon 0%

04:45

21:16

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
10 Bad

Sun - Rise: 05:04, Set: 20:55, Transit: 13:00. Moon - Rise: 04:45, Set: 21:16. Civil Dark: 21:38 - 04:20. Nautical Dark: 22:39 - 03:19. Astro Dark: 00:30 - 01:14

Total Clouds (% Sky Obscured)

92
99
98
94
91
97
99
100
100
100
100
100
100
91
91
89
62
50
90
100
100
100
99
100

Low Clouds (% Sky Obscured)

39
29
56
87
81
70
60
85
83
91
89
75
71
73
74
56
37
38
46
39
52
54
54
51

Medium Clouds (% Sky Obscured)

75
87
85
38
40
48
62
89
97
100
100
100
100
75
53
16
56
17
49
75
81
93
98
100

High Clouds (% Sky Obscured)

0
0
0
0
2
32
73
79
99
100
100
63
67
5
50
85
51
50
87
84
87
84
92
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
8
7
11
26
24
32
37
43
64
74
60
41
22
13
5
6
3
1
0
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
6
7
7
7
9
8
10
10
10
9
9
9
9
9
8
8
7
6
6
7
7
7
7

Relative Humidity (%)

64
70
72
71
71
80
75
90
90
95
96
98
98
98
98
96
96
98
96
96
95
88
82
76

Pressure (mb)

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

Ozone (du)

402
403
402
401
399
396
396
398
398
397
398
399
400
404
403
401
403
407
410
414
416
416
418
420

Sunday 17

Waxing Crescent 1%

05:30

22:48

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
10 Bad

Sun - Rise: 05:02, Set: 20:56, Transit: 13:00. Moon - Rise: 05:30, Set: 22:48. Civil Dark: 21:40 - 04:18. Nautical Dark: 22:41 - 03:16. Astro Dark: 00:46 - N/A

Total Clouds (% Sky Obscured)

100
100
94
100
100
100
98
100
100
100
93
83
93
99
79
68
43
50
72
82
87
72
81
92

Low Clouds (% Sky Obscured)

49
40
29
21
23
9
32
36
46
36
27
19
32
9
10
39
20
27
56
59
65
58
70
74

Medium Clouds (% Sky Obscured)

100
100
79
100
100
96
94
100
100
100
74
41
80
99
79
68
43
50
56
76
77
49
56
79

High Clouds (% Sky Obscured)

100
70
93
100
100
100
76
86
40
45
40
36
68
55
60
60
29
0
0
0
0
0
0
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9
6
8
9
4
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
18
0
18
10
30
53
42
6
0
0
0
4
30
38
34
41
44
60
82
48
60
80
83

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
0.8
0
0.3
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
13
14
15
15
15
14
13
12
10
8
7
6
6
7
7
6
6
6
7
8
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
64
60
60
59
64
69
78
84
87
88
93
94
94
94
96
96
96
96
96
98
93
85
81

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

422
426
426
426
426
425
424
424
428
429
429
429
430
428
428
428
431
430
429
425
424
424
424
416

Monday 18

Waxing Crescent 5%

06:35

00:03

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
10 Bad

Sun - Rise: 05:01, Set: 20:58, Transit: 13:00. Moon - Rise: 06:35, Set: 00:03. Civil Dark: 21:42 - 04:17. Nautical Dark: 22:44 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
98
84
96
98
95
98
81
91
100
100
100
100
100
100
100
100
100
100
98
97
95
95

Low Clouds (% Sky Obscured)

75
77
82
75
52
57
58
51
54
62
65
68
74
93
96
98
100
96
91
87
81
76
70
64

Medium Clouds (% Sky Obscured)

92
52
56
46
53
97
91
97
76
66
96
98
97
100
100
100
100
100
99
61
66
55
62
86

High Clouds (% Sky Obscured)

46
64
50
29
15
35
48
78
56
44
32
55
80
100
100
100
100
100
80
86
79
74
67
49

ISS Passover

Visibility (miles)

5
5
7
8
9
8
8
9
9
9
9
9
9
9
7
7
4
1
2
8
1
0
9
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
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

73
66
52
53
43
38
35
43
56
65
67
72
69
67
85
95
95
95
65
24
18
20
25
47

Precipitation Amount (mm)

0.4
0.4
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.3
0.2
0.5
0.7
0.9
0.8
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
12
12
12
11
10
10
11
11
12
12
12
12
12
12
13
14
14
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
79
73
65
62
61
58
70
76
85
82
82
87
95
98
98
98
96
96
98
98
95
92

Pressure (mb)

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

Ozone (du)

408
396
393
393
387
384
381
380
376
375
374
372
369
367
369
372
377
382
390
390
385
386
385
385

Tuesday 19

Waxing Crescent 12%

07:57

00:55

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
10 Bad

Sun - Rise: 04:59, Set: 20:59, Transit: 13:00. Moon - Rise: 07:57, Set: 00:55. Civil Dark: 21:43 - 04:15. Nautical Dark: 22:46 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
92
88
83
85
72
72
79
61
51
40
53
93
94
92
87
80
76
73
70
80
89
99
97

Low Clouds (% Sky Obscured)

62
57
66
65
70
56
52
46
53
51
40
53
67
69
69
69
70
69
69
68
75
82
90
79

Medium Clouds (% Sky Obscured)

87
84
46
36
27
30
39
64
45
33
18
29
41
44
40
48
59
55
41
37
48
57
64
59

High Clouds (% Sky Obscured)

12
0
1
3
4
31
59
79
60
28
0
1
20
15
15
15
15
17
19
26
35
34
28
22

ISS Passover

Visibility (miles)

4
5
5
4
5
5
6
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

59
68
77
75
71
72
68
56
44
36
24
19
14
8
15
16
1
4
3
0
0
0
0
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
17
18
18
16
16
16
15
14
12
11
14
14
14
14
14
14
14
14
14
15
16
17

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
14
13
13
12
12
12
12
12
11
11
11
12
12
12
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
80
89
87
89
87
89
87
87
93
95
96
95
90
93
95
98
96
96
95
93
90
90

Pressure (mb)

1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1017

Ozone (du)

387
390
393
393
392
392
388
389
391
395
396
393
388
383
381
377
373
369
366
364
362
358
355
352

Wednesday 20

Waxing Crescent 21%

09:28

01:30

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
10 Bad

Sun - Rise: 04:58, Set: 21:01, Transit: 13:00. Moon - Rise: 09:28, Set: 01:30. Civil Dark: 21:45 - 04:13. Nautical Dark: 22:49 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
93
94
95
95
81
68
55
70
84
99
98
99
100
100
99
99
91
87
74
80
85
94
95

Low Clouds (% Sky Obscured)

70
59
59
62
62
54
45
37
38
38
38
44
47
54
49
44
37
45
44
40
44
52
59
64

Medium Clouds (% Sky Obscured)

47
38
40
40
48
38
20
4
2
2
3
4
9
16
40
43
56
56
70
69
64
55
51
44

High Clouds (% Sky Obscured)

20
18
13
10
8
8
7
5
34
65
97
98
98
100
98
97
95
66
35
5
13
25
40
62

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 (%)

3
3
10
12
12
16
18
20
17
14
9
7
3
0
0
0
0
1
1
2
15
19
18
18

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)

18
18
19
18
17
17
15
13
12
10
9
7
7
8
8
7
6
5
6
6
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
80
78
73
70
65
70
74
79
83
89
92
93
93
95
95
95
93
92
92
92
86
80
75

Pressure (mb)

1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

351
349
348
346
344
342
341
340
339
339
339
339
338
337
337
337
337
337
337
337
338
338
337
337

Thursday 21

Waxing Crescent 31%

10:56

01:52

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

Sun - Rise: 04:57, Set: 21:02, Transit: 13:00. Moon - Rise: 10:56, Set: 01:52. Civil Dark: 21:47 - 04:12. Nautical Dark: 22:51 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
97
96
95
95
89
83
78
84
91
97
84
72
60
68
76
84
78
73
65

Low Clouds (% Sky Obscured)

68
71
76
77
82
79
74
70
47
26
6
4
3
1
17
27
34
34
33
32

Medium Clouds (% Sky Obscured)

38
36
36
36
36
28
24
26
32
40
50
40
30
23
18
17
14
18
15
13

High Clouds (% Sky Obscured)

77
89
84
79
76
64
49
53
59
60
69
58
45
29
24
16
13
12
11
10

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
0
1
2
2
8
11
14
14
12
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
18
19
20
20
19
19
18
17
15
14
14
13
13
13
13
13
14

Feels Like (°C)

13
14
15
18
18
18
18
19
19
19
18
19
18
17
17
13
13
14
13
13

Dew Point (°C)

10
10
10
11
11
13
13
14
15
14
14
13
13
13
12
12
12
12
12
12

Relative Humidity (%)

70
65
60
60
60
62
66
71
77
81
83
87
89
90
92
92
92
93
90
89

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

338
339
340
342
344
346
345
344
343
341
340
339
339
338
338
339
339
340
341
341

Forecast for Sibbertoft, Northamptonshire, United Kingdom (52.44,-1.00)

Generated: 15/05/26 11:43:56. Forecast: 15/05/26 to 21/05/26. Timezone: UTC+1.00