Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 96%

22:48

06:13

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 OK
01 Good
02 Good
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:39, Set: 20:25, Transit: 13:03. Moon - Rise: 22:48, Set: 06:13. Civil Dark: 21:04 - 05:00. Nautical Dark: 21:55 - 04:08. Astro Dark: 22:58 - 03:04

Total Clouds (% Sky Obscured)

74
97
85
86
91
93
89
88
69
53
44
44
32
7
8
9
26
39
49
56
82
97
99
91

Low Clouds (% Sky Obscured)

88
87
97
91
87
60
57
62
59
44
29
30
23
3
2
2
22
37
50
60
84
97
80
52

Medium Clouds (% Sky Obscured)

45
41
63
58
57
55
42
33
12
7
1
0
0
0
0
0
0
0
0
0
0
19
47
36

High Clouds (% Sky Obscured)

0
0
0
1
48
6
2
6
12
3
5
3
2
2
4
5
5
4
2
2
3
3
3
3

ISS Passover

Visibility (miles)

-
-
0
0
0
2
7
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

Precipitation Type

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

Precipitation Probability (%)

0
100
45
38
95
35
28
17
3
0
0
0
0
0
0
0
0
0
0
0
1
10
32
25

Precipitation Amount (mm)

0
0.4
0.2
0
1.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
8
5
6
7
8
8
8
7
5
4
3
3
2
1
1
1
1
1
2
4
5
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
77
94
96
91
82
78
77
79
85
88
91
93
94
94
93
88
86
86
89
86
83
78
75

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005

Ozone (du)

430
432
437
437
438
438
439
441
442
441
441
441
442
443
443
442
441
442
443
443
442
443
444
446

Friday 26

Waning Gibbous 91%

00:08

06:41

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
11 Bad

Sun - Rise: 05:37, Set: 20:27, Transit: 13:03. Moon - Rise: 00:08, Set: 06:41. Civil Dark: 21:06 - 04:57. Nautical Dark: 21:57 - 04:06. Astro Dark: 23:02 - 03:00

Total Clouds (% Sky Obscured)

95
95
97
99
97
98
98
99
100
100
95
85
82
84
88
78
88
85
96
100
100
100
100
97

Low Clouds (% Sky Obscured)

77
88
86
93
81
80
88
62
56
45
43
42
45
52
60
64
79
76
72
82
83
92
52
69

Medium Clouds (% Sky Obscured)

40
29
30
39
60
67
72
94
100
88
83
56
35
30
50
24
28
38
60
100
100
100
100
91

High Clouds (% Sky Obscured)

2
3
16
32
30
40
53
58
91
55
60
55
35
3
12
9
5
49
50
45
45
47
33
2

ISS Passover

Visibility (miles)

9
9
9
2
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
8
11
4
0
0
0

Precipitation Type

None
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

Precipitation Probability (%)

47
63
64
62
55
49
38
25
10
4
2
1
1
4
1
4
6
5
1
6
7
7
19
7

Precipitation Amount (mm)

0
0.4
0.3
0.3
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
8
8
9
8
9
9
7
6
6
5
5
5
5
5
5
6
6
6
8
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
5
5
5
5
4
3
3
3
2
2
2
1
1
1
1
1
0
0
0
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

73
75
74
68
77
75
73
75
79
88
93
93
94
94
96
96
96
96
94
91
86
83
82
74

Pressure (mb)

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

Ozone (du)

445
443
443
441
439
440
439
438
439
440
441
442
444
446
447
449
452
451
449
449
447
447
447
446

Saturday 27

Waning Gibbous 83%

01:22

07:23

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
11 Bad

Sun - Rise: 05:35, Set: 20:28, Transit: 13:03. Moon - Rise: 01:22, Set: 07:23. Civil Dark: 21:08 - 04:55. Nautical Dark: 22:00 - 04:03. Astro Dark: 23:06 - 02:56

Total Clouds (% Sky Obscured)

100
100
100
100
97
96
90
84
78
69
66
61
52
47
80
100
100
100
100
96
92
88
87
87

Low Clouds (% Sky Obscured)

66
77
61
87
82
66
58
52
52
53
54
40
33
20
46
49
45
49
45
52
60
72
73
77

Medium Clouds (% Sky Obscured)

100
100
97
98
61
64
77
53
30
30
30
28
35
35
35
40
79
100
100
83
64
46
32
21

High Clouds (% Sky Obscured)

8
27
30
24
35
35
35
30
11
23
25
35
35
42
66
100
100
100
100
77
52
28
26
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
3
2
0
0
0
0
0
0
0

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
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

18
12
30
30
21
16
7
3
2
1
1
2
3
8
35
82
95
95
95
81
57
49
33
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
62
65
69
72
67
72
75
81
87
91
93
94
93
93
93
98
98
98
98
98
98
96
96

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1005
1005
1005
1005

Ozone (du)

444
442
436
436
435
432
430
428
426
424
424
423
424
426
428
426
425
430
432
433
436
438
438
439

Sunday 28

Waning Gibbous 74%

02:21

08:25

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 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:33, Set: 20:30, Transit: 13:03. Moon - Rise: 02:21, Set: 08:25. Civil Dark: 21:10 - 04:53. Nautical Dark: 22:02 - 04:00. Astro Dark: 23:09 - 02:51

Total Clouds (% Sky Obscured)

86
86
86
86
76
65
57
66
74
84
76
66
23
33
32
27
48
64
78
69
57
57
55
56

Low Clouds (% Sky Obscured)

80
55
30
10
12
14
20
23
22
25
26
28
22
28
29
29
31
34
35
24
12
0
15
29

Medium Clouds (% Sky Obscured)

15
37
60
83
71
38
46
37
15
17
7
4
1
0
1
1
16
30
45
45
43
42
44
41

High Clouds (% Sky Obscured)

25
29
35
40
45
45
50
39
77
28
15
9
0
4
4
1
11
23
36
25
12
2
0
3

ISS Passover

Visibility (miles)

0
0
0
0
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 (%)

20
21
15
12
25
18
18
9
9
5
6
2
1
0
0
0
0
0
0
0
0
0
0
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
6
6
6
7
7
7
6
5
5
6
5
5
5
5
5
5
5
5
6
8
10
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
9
9
9
9
8
8
7
5
4
4
4
5
3
3
4
3
3
4
5
6
7
8

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
96
93
93
91
93
93
94
93
93
96
96
94
93
93
93
90
85
81
76
68

Pressure (mb)

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

Ozone (du)

443
445
449
450
445
437
433
431
429
426
422
427
437
441
433
434
434
432
436
438
437
437
436
437

Monday 29

Waning Gibbous 64%

03:03

09:43

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 05:31, Set: 20:32, Transit: 13:02. Moon - Rise: 03:03, Set: 09:43. Civil Dark: 21:12 - 04:51. Nautical Dark: 22:05 - 03:57. Astro Dark: 23:13 - 02:47

Total Clouds (% Sky Obscured)

58
69
78
44
54
46
38
47
52
63
63
57
53
64
75
84
74
76
65
63
69
76
86
93

Low Clouds (% Sky Obscured)

43
53
62
49
40
21
1
0
1
1
0
1
0
0
0
0
0
1
1
14
28
42
51
57

Medium Clouds (% Sky Obscured)

40
39
38
31
29
25
22
14
6
0
10
20
29
37
41
50
49
28
4
5
7
12
44
73

High Clouds (% Sky Obscured)

2
3
4
5
5
5
6
28
48
70
58
43
30
48
65
82
74
76
82
77
76
80
78
74

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
6
13
18
17
27
6
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
27
40

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)

14
14
14
13
15
14
12
11
9
8
7
7
7
6
6
5
5
4
3
2
4
7
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
9
10
10
10
10
10
8
8
7
6
6
5
5
5
4
3
2
4
5
7
6

Dew Point (°C)

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

Relative Humidity (%)

62
59
59
66
64
66
74
79
84
90
93
93
94
94
94
93
94
91
90
86
81
74
70
67

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015

Ozone (du)

439
443
444
443
443
443
442
441
439
436
436
434
430
426
424
421
419
422
425
429
431
433
435
435

Tuesday 30

Waning Gibbous 53%

03:30

11:12

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
11 Bad

Sun - Rise: 05:29, Set: 20:34, Transit: 13:02. Moon - Rise: 03:30, Set: 11:12. Civil Dark: 21:14 - 04:48. Nautical Dark: 22:07 - 03:54. Astro Dark: 23:18 - 02:42

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
98
96
95
97
97
98
98
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
66
69
70
77
83
90
90
89
89
85
81
76
80
84
87
92
96
100
99
98
97
92
87

Medium Clouds (% Sky Obscured)

100
97
94
91
81
74
65
68
71
77
76
72
68
79
88
100
98
96
93
89
84
81
58
34

High Clouds (% Sky Obscured)

78
74
67
58
51
49
50
50
60
65
76
82
88
91
94
97
91
83
77
82
89
96
98
99

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

50
57
62
68
64
55
42
38
32
23
27
28
26
51
66
78
85
91
95
85
70
56
48
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
12
12
11
12
11
12
7
7
7
7
6
7
6
6
6
6
6
6
7
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

65
63
70
78
87
90
93
96
96
98
98
98
98
100
98
98
98
98
98
98
98
96
98
96

Pressure (mb)

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

Ozone (du)

435
435
432
429
425
424
422
420
420
419
419
416
413
411
411
411
410
410
409
408
407
406
404
404

Wednesday 1

Third Quarter 41%

03:50

No Set

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: 05:27, Set: 20:35, Transit: 13:02. Moon - Rise: 03:50, Set: No Set. Civil Dark: 21:16 - 04:46. Nautical Dark: 22:10 - 03:52. Astro Dark: 23:22 - 02:38

Total Clouds (% Sky Obscured)

100
98
97
95
97
97
98
98
99
100
100
100
100
100
100
100
99
98
96

Low Clouds (% Sky Obscured)

80
83
85
86
88
91
94
93
92
91
95
97
99
99
100
100
98
97
96

Medium Clouds (% Sky Obscured)

9
15
21
27
18
9
0
1
2
2
2
3
3
2
1
0
0
0
0

High Clouds (% Sky Obscured)

100
77
54
28
37
37
34
35
40
45
44
39
38
32
26
18
18
16
15

ISS Passover

Visibility (miles)

1
1
4
7
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0

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

Precipitation Probability (%)

28
28
20
9
10
9
4
6
5
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
92
90
89
89
89
92
92
95
98
96
98
96
96
96
98
98
96

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

404
403
401
399
398
396
394
392
391
391
391
391
390
390
389
388
387
386
386

Forecast for Chesterfield, Derbyshire, United Kingdom (53.24,-1.42)

Generated: 25/04/24 14:21:02. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00