Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

02:45

10:58

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

Sun - Rise: 05:42, Set: 20:19, Transit: 13:01. Moon - Rise: 02:45, Set: 10:58. Civil Dark: 20:57 - 05:03. Nautical Dark: 21:46 - 04:14. Astro Dark: 22:46 - 03:14

Total Clouds (% Sky Obscured)

10
13
85
50
35
17
1
0
1
2
2
2
2
8
56
100
100
100
100
100
99
98
55
95

Low Clouds (% Sky Obscured)

9
12
2
1
0
1
1
0
0
1
2
2
2
8
35
91
87
82
74
85
99
95
37
43

Medium Clouds (% Sky Obscured)

1
6
2
2
1
2
0
0
0
2
0
1
0
0
0
8
87
100
100
100
98
91
41
56

High Clouds (% Sky Obscured)

2
1
84
49
35
16
0
0
0
0
0
0
1
0
33
100
100
60
8
0
9
63
21
90

ISS Passover

Visibility (miles)

7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
3
2

Fog (%)

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

Precipitation Probability (%)

6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
15
17
21
32
22
11
3

Precipitation Amount (mm)

0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.04
0.11
0.28
0.19
0.09
0.01

Wind Speed/Direction (mph)

10
9
8
8
8
7
7
7
7
7
7
7
9
11
12
14
15
16
16
17
17
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
75
79
83
84
85
87
88
90
93
93
90
88
86
81
75
71
69
71
74
74
73
73

Pressure (mb)

1002
1003
1003
1004
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

391
392
393
394
396
398
400
401
402
401
398
396
394
393
391
388
384
380
377
374
372
370
369
368

Friday 26

Third Quarter 47%

03:21

12:00

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 Good
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

Sun - Rise: 05:39, Set: 20:21, Transit: 13:01. Moon - Rise: 03:21, Set: 12:00. Civil Dark: 20:59 - 05:01. Nautical Dark: 21:49 - 04:11. Astro Dark: 22:49 - 03:10

Total Clouds (% Sky Obscured)

98
99
99
100
95
91
15
1
100
100
100
100
100
100
98
93
88
89
96
99
87
98
96
94

Low Clouds (% Sky Obscured)

89
2
87
100
93
13
2
1
100
100
100
99
100
100
97
91
71
85
92
93
73
98
65
25

Medium Clouds (% Sky Obscured)

92
99
99
100
79
91
14
0
72
90
100
95
76
93
94
76
83
70
91
98
85
97
95
91

High Clouds (% Sky Obscured)

91
0
0
0
0
0
0
0
0
8
38
30
1
1
0
1
1
1
13
0
0
1
3
24

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

3
9
18
30
32
34
20
8
12
30
36
46
39
37
31
31
40
38
30
24
23
22
13
2

Precipitation Amount (mm)

0.01
0.04
0.08
0.24
0.25
0.32
0.08
0.02
0.02
0.13
0.14
0.27
0.15
0.13
0.12
0.13
0.28
0.31
0.35
0.31
0.36
0.36
0.1
0.01

Wind Speed/Direction (mph)

15
15
15
17
18
20
21
22
24
24
23
21
20
19
23
25
26
27
27
26
26
25
24
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
6
5
4
4
4
3
2
2
1
0
-0
0
1
1
2
2
3
5
6
10
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

73
75
77
79
82
83
82
80
79
82
84
86
86
83
80
78
75
71
66
62
60
61
63
65

Pressure (mb)

1008
1008
1007
1006
1005
1004
1003
1001
1001
1000
1000
1000
1000
1001
1003
1004
1005
1007
1008
1009
1010
1011
1012
1013

Ozone (du)

368
368
371
382
397
407
407
402
399
399
401
402
403
403
403
404
404
405
406
408
409
409
408
407

Saturday 27

Waning Crescent 37%

03:50

13:05

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:37, Set: 20:23, Transit: 13:01. Moon - Rise: 03:50, Set: 13:05. Civil Dark: 21:01 - 04:59. Nautical Dark: 21:51 - 04:09. Astro Dark: 22:52 - 03:06

Total Clouds (% Sky Obscured)

97
95
89
78
85
81
98
96
98
100
98
99
91
84
90
100
98
77
77
97
91
80
72
66

Low Clouds (% Sky Obscured)

31
9
4
55
31
65
95
93
98
100
98
99
91
84
90
100
98
77
76
96
91
66
56
56

Medium Clouds (% Sky Obscured)

96
95
88
70
83
68
98
88
29
5
1
1
1
5
1
0
1
4
27
88
81
68
27
13

High Clouds (% Sky Obscured)

52
55
31
25
41
46
0
0
0
0
0
5
5
1
2
2
1
0
0
1
1
16
35
23

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
7
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

7
2
1
1
2
1
2
2
3
4
8
9
8
4
3
3
3
4
9
13
21
27
32
30

Precipitation Amount (mm)

0.08
0.04
0.04
0.03
0.03
0.01
0.02
0.02
0.02
0.03
0.04
0.04
0.03
0.01
0.01
0.01
0.02
0.04
0.13
0.22
0.3
0.33
0.32
0.3

Wind Speed/Direction (mph)

21
20
19
17
16
16
16
16
16
15
15
14
14
15
15
14
13
13
14
13
12
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
3
3
3
2
2
2
1
1
1
1
3
4
6
10
11
12
11
11
11
10
10
8

Dew Point (°C)

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

Relative Humidity (%)

65
66
66
66
67
68
70
72
76
80
83
84
81
77
74
71
69
68
70
73
76
79
83
86

Pressure (mb)

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

Ozone (du)

406
404
403
402
402
401
399
398
395
391
387
383
378
374
371
370
370
371
371
373
373
374
375
374

Sunday 28

Waning Crescent 28%

04:14

14:11

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:35, Set: 20:24, Transit: 13:01. Moon - Rise: 04:14, Set: 14:11. Civil Dark: 21:03 - 04:57. Nautical Dark: 21:53 - 04:06. Astro Dark: 22:56 - 03:02

Total Clouds (% Sky Obscured)

66
66
66
66
66
38
38
38
38
38
38
100
100
100
100
100
100
100
100
100
100
100
100
63

Low Clouds (% Sky Obscured)

56
56
56
56
56
6
6
6
6
6
6
98
98
98
98
98
98
100
100
100
100
100
100
62

Medium Clouds (% Sky Obscured)

13
13
13
13
13
0
0
0
0
0
0
61
61
61
61
61
61
69
69
69
69
69
69
2

High Clouds (% Sky Obscured)

23
23
23
23
23
35
35
35
35
35
35
98
98
98
98
98
98
73
73
73
73
73
73
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

22
16
12
11
11
14
17
23
26
26
22
18
15
15
15
17
23
27
33
38
35
25
16
10

Precipitation Amount (mm)

0.28
0.25
0.24
0.24
0.24
0.25
0.26
0.26
0.24
0.19
0.13
0.08
0.07
0.07
0.08
0.1
0.15
0.21
0.27
0.31
0.31
0.25
0.17
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
6
6
5
5
5
5
5
4
4
5
5
6
7
7
8
11
11
11
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

88
91
93
95
95
95
95
96
97
97
97
96
95
93
92
90
86
84
84
84
83
81
79
79

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

371
368
364
362
361
360
359
359
359
359
360
361
361
362
362
363
364
366
368
370
372
375
377
378

Monday 29

Waning Crescent 20%

04:35

15:18

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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

Sun - Rise: 05:33, Set: 20:26, Transit: 13:01. Moon - Rise: 04:35, Set: 15:18. Civil Dark: 21:05 - 04:54. Nautical Dark: 21:56 - 04:03. Astro Dark: 22:59 - 02:58

Total Clouds (% Sky Obscured)

63
63
63
63
63
18
18
18
18
18
18
86
86
86
86
86
86
95
95
95
95
95
95
100

Low Clouds (% Sky Obscured)

62
62
62
62
62
16
16
16
16
16
16
0
0
0
0
0
0
52
52
52
52
52
52
100

Medium Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
49
49
49
49
49
49
99

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
2
2
2
86
86
86
86
86
86
88
88
88
88
88
88
97

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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 (%)

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

Precipitation Amount (mm)

0.04
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.04
0.07
0.1
0.12
0.11
0.08
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
9
8
7
6
6
5
5
4
4
4
5
7
10
12
13
14
15
16
16
16
16
15
14

Feels Like (°C)

11
7
5
4
3
3
2
2
1
1
2
3
5
7
12
13
14
15
16
16
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

81
85
88
90
91
91
92
93
95
96
97
95
91
86
81
77
72
66
63
61
62
63
66
67

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019

Ozone (du)

379
379
379
377
375
373
371
369
367
367
366
366
366
367
368
369
370
371
371
370
369
369
369
369

Tuesday 30

Waning Crescent 13%

04:53

16:25

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:32, Set: 20:28, Transit: 13:01. Moon - Rise: 04:53, Set: 16:25. Civil Dark: 21:07 - 04:52. Nautical Dark: 21:58 - 04:01. Astro Dark: 23:03 - 02:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

100
100
100
100
100
45
45
45
45
45
45
100
100
100
100
100
100
50
50
50
50
50
50
64

Medium Clouds (% Sky Obscured)

99
99
99
99
99
97
97
97
97
97
97
100
100
100
100
100
100
99
99
99
99
99
99
18

High Clouds (% Sky Obscured)

97
97
97
97
97
32
32
32
32
32
32
77
77
77
77
77
77
63
63
63
63
63
63
77

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
0
0
3
8
13
19
24
27
26
24
21
18
12
10

Precipitation Amount (mm)

0.02
0
0
0
0
0
0
0
0
0
0
0
0.01
0.04
0.08
0.14
0.22
0.28
0.28
0.24
0.18
0.11
0.04
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
10
7
6
6
5
5
5
5
6
6
7
10
11
12
12
12
12
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

69
71
74
76
77
77
77
77
77
76
76
76
76
77
78
79
80
80
80
80
81
81
81
80

Pressure (mb)

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

Ozone (du)

368
367
367
368
369
369
368
366
365
365
367
368
368
368
368
368
368
367
364
361
358
357
356
356

Wednesday 1

Waning Crescent 7%

05:11

17:34

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

Sun - Rise: 05:30, Set: 20:30, Transit: 13:00. Moon - Rise: 05:11, Set: 17:34. Civil Dark: 21:09 - 04:50. Nautical Dark: 22:01 - 03:58. Astro Dark: 23:07 - 02:50

Total Clouds (% Sky Obscured)

91
91
91
91
91
5
5
5
5
5
5
0
0
0
0
0
0
40
40
40
40
40
40
6

Low Clouds (% Sky Obscured)

64
64
64
64
64
2
2
2
2
2
2
0
0
0
0
0
0
23
23
23
23
23
23
0

Medium Clouds (% Sky Obscured)

18
18
18
18
18
2
2
2
2
2
2
0
0
0
0
0
0
30
30
30
30
30
30
6

High Clouds (% Sky Obscured)

77
77
77
77
77
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

11
14
16
21
29
31
29
23
14
8
4
3
2
0
0
0
0
0
0
4
5
7
10
11

Precipitation Amount (mm)

0.04
0.08
0.15
0.27
0.46
0.56
0.41
0.19
0.07
0.04
0.03
0.02
0.01
0
0
0
0
0
0
0.01
0.03
0.07
0.11
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
11
10
10
9
8
8
7
6
6
6
8
10
11
12
13
14
15
16
16
16
15
14

Feels Like (°C)

12
11
11
10
10
8
7
6
5
4
4
4
6
8
11
12
13
14
15
16
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

79
79
80
82
84
86
89
92
94
94
94
92
87
82
79
76
71
67
63
60
58
59
62
64

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

356
356
357
359
361
364
367
371
373
375
376
377
377
377
377
376
376
375
374
373
373
372
372
372

Forecast for Sibbertoft, Northamptonshire, UK (52.44,-1.00)

Generated: 25/04/19 20:50:56. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00