Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

16:30

05:11

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

Sun - Rise: 05:50, Set: 20:18, Transit: 13:05. Moon - Rise: 16:30, Set: 05:11. Civil Dark: 20:58 - 05:11. Nautical Dark: 21:48 - 04:20. Astro Dark: 22:49 - 03:17

Total Clouds (% Sky Obscured)

27
25
32
32
34
30
14
14
13
14
62
85
81
55
39
45
67
71
89
85
87
83
69
78

Low Clouds (% Sky Obscured)

25
21
30
30
33
30
10
8
4
5
4
4
2
19
32
40
64
68
80
77
81
76
52
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
36
61
80
43
5
3
4
3
16
12
16
17
18
23

High Clouds (% Sky Obscured)

0
4
0
4
4
1
4
4
8
5
38
75
63
4
11
7
5
4
11
10
8
13
12
48

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
1
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)

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

Chance of Frost

Temperature (°C)

6
4
4
3
3
2
2
2
1
1
1
2
4
5
6
8
8
9
9
9
9
9
8
7

Feels Like (°C)

2
2
2
1
0
0
-1
-1
-1
-2
-2
-2
-0
1
2
4
4
5
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

74
77
79
82
83
85
81
80
81
80
81
78
71
65
63
60
58
56
54
54
56
58
65
75

Pressure (mb)

1023
1025
1026
1026
1027
1027
1027
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

380
376
374
372
367
364
363
362
360
361
362
364
367
368
369
371
374
375
375
373
371
370
369
369

Saturday 20

Waxing Gibbous 92%

17:43

05:17

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: 05:48, Set: 20:20, Transit: 13:05. Moon - Rise: 17:43, Set: 05:17. Civil Dark: 21:00 - 05:08. Nautical Dark: 21:51 - 04:17. Astro Dark: 22:53 - 03:13

Total Clouds (% Sky Obscured)

68
68
82
96
97
98
96
94
93
97
98
99
100
100
99
97
96
99
97
96
93
80
89
81

Low Clouds (% Sky Obscured)

50
56
78
87
96
96
92
91
89
93
90
92
90
91
93
91
92
96
94
88
83
66
44
22

Medium Clouds (% Sky Obscured)

47
39
52
87
89
91
89
90
89
93
87
81
88
79
53
36
31
51
56
62
46
60
78
85

High Clouds (% Sky Obscured)

4
8
22
82
85
80
85
85
80
86
88
74
42
55
12
16
6
18
43
4
4
3
8
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 (%)

2
3
4
7
3
11
18
22
17
14
17
19
15
12
9
15
4
1
13
4
3
11
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
88
88
85
79
78
76
76
76
78
80
83
83
85
86
88
87
85
84
79
77
75
75
78

Pressure (mb)

1031
1031
1031
1031
1032
1032
1031
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

370
369
369
370
374
378
381
383
384
385
387
389
389
388
388
386
383
382
381
382
382
381
380
380

Sunday 21

Waxing Gibbous 96%

18:57

05:23

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: 05:46, Set: 20:22, Transit: 13:05. Moon - Rise: 18:57, Set: 05:23. Civil Dark: 21:02 - 05:06. Nautical Dark: 21:53 - 04:14. Astro Dark: 22:57 - 03:09

Total Clouds (% Sky Obscured)

67
69
75
94
99
98
99
100
100
100
100
100
100
100
99
99
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

14
22
31
34
40
54
74
81
83
84
87
89
90
91
92
92
93
95
98
100
100
100
100
100

Medium Clouds (% Sky Obscured)

64
62
66
76
85
87
94
99
99
100
99
100
100
99
98
97
90
97
98
100
59
55
69
55

High Clouds (% Sky Obscured)

31
7
38
59
88
74
66
79
63
90
79
68
64
40
66
71
70
83
92
52
29
29
30
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
8
5
5
5
9
9
8
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
Light Rain
None

Precipitation Probability (%)

1
15
20
29
31
20
13
49
53
56
77
80
90
92
71
57
49
55
47
44
49
53
71
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
2
1
1
2
2
3
3
3
3
2
2
2
2
3
3
3
3
3
2
2
2
2
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
82
83
88
91
94
94
94
96
96
96
96
96
98
98
96
96
96
94
93
96
94
98

Pressure (mb)

1033
1034
1034
1034
1034
1034
1033
1033
1032
1032
1031
1031
1031
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026

Ozone (du)

379
380
382
386
390
392
393
393
394
395
396
399
400
401
402
403
402
402
404
404
404
405
404
404

Monday 22

Waxing Gibbous 99%

No Rise

05:30

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: 05:43, Set: 20:24, Transit: 13:05. Moon - Rise: No Rise, Set: 05:30. Civil Dark: 21:04 - 05:03. Nautical Dark: 21:56 - 04:11. Astro Dark: 23:01 - 03:05

Total Clouds (% Sky Obscured)

89
95
99
75
89
94
92
90
92
95
98
98
99
99
96
92
88
87
85
84
79
76
81
80

Low Clouds (% Sky Obscured)

95
80
82
84
85
85
81
76
81
86
90
89
88
88
85
84
81
83
84
82
77
75
73
71

Medium Clouds (% Sky Obscured)

58
60
67
68
65
66
63
59
64
69
74
75
80
82
69
64
55
44
28
14
17
16
25
25

High Clouds (% Sky Obscured)

20
47
45
29
43
39
39
41
50
51
72
44
46
29
30
22
20
20
25
23
16
15
23
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
8
6
1
2
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 (%)

49
44
36
26
8
8
9
5
6
13
12
12
11
11
25
33
29
26
23
24
23
22
20
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
88
89
94
93
86
86
93
93
91
91
93
94
91
87
91
91
85
81
77
75
82
87

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

402
402
404
404
405
403
402
401
401
400
399
398
397
397
397
397
395
393
393
391
391
391
392
392

Tuesday 23

Waxing Gibbous 100%

20:14

05:38

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: 05:41, Set: 20:26, Transit: 13:04. Moon - Rise: 20:14, Set: 05:38. Civil Dark: 21:06 - 05:01. Nautical Dark: 21:58 - 04:08. Astro Dark: 23:04 - 03:00

Total Clouds (% Sky Obscured)

74
68
65
69
48
61
73
83
86
90
93
88
82
79
85
87
87
87
89
92
84
76
69
71

Low Clouds (% Sky Obscured)

64
62
65
64
47
54
63
78
78
78
78
70
62
52
62
77
88
87
84
81
72
65
57
40

Medium Clouds (% Sky Obscured)

29
30
25
17
1
8
11
8
8
8
8
11
14
25
30
36
33
23
13
3
2
2
2
3

High Clouds (% Sky Obscured)

4
14
3
2
1
5
5
4
26
48
71
61
54
51
45
36
18
13
7
0
11
22
36
53

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 (%)

9
7
14
4
1
2
2
0
1
1
0
1
2
1
8
12
13
18
21
24
27
29
31
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
91
91
91
89
88
86
83
82
79
76
74
71
65
59
54
57
60
62
69
75
84

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1017
1016

Ozone (du)

392
392
394
395
397
398
399
400
401
401
401
401
402
404
405
406
406
406
405
405
404
405
405
406

Wednesday 24

Full Moon 99%

21:34

05:50

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: 05:39, Set: 20:28, Transit: 13:04. Moon - Rise: 21:34, Set: 05:50. Civil Dark: 21:08 - 04:58. Nautical Dark: 22:01 - 04:05. Astro Dark: 23:09 - 02:56

Total Clouds (% Sky Obscured)

73
75
75
77
78
78
82
86
88
92
94
96
98
100
97
93
90
92
95
99
99
98
99
97

Low Clouds (% Sky Obscured)

23
4
21
38
54
65
76
86
85
83
82
85
86
87
85
85
84
87
92
96
97
97
97
93

Medium Clouds (% Sky Obscured)

4
6
4
2
0
0
0
0
17
35
53
61
69
71
55
44
30
28
27
27
26
30
34
48

High Clouds (% Sky Obscured)

69
85
85
80
75
42
21
9
6
7
3
3
2
2
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
7
7
7
8
9
9
9
9
9
8
7
6
7
8
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 (%)

22
4
7
7
2
7
9
10
14
16
18
16
12
5
16
21
25
28
34
40
36
33
29
31

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
3
2
1
1
-1
-0
-0
0
1
2
2
3
3
3
4
6
7
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

83
86
88
89
93
94
93
93
94
93
93
91
86
83
81
78
73
69
70
73
75
75
77
78

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

407
407
407
409
410
412
414
416
418
421
423
426
428
431
434
435
435
436
438
439
440
441
442
442

Thursday 25

Waning Gibbous 96%

22:57

06:06

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

Sun - Rise: 05:37, Set: 20:30, Transit: 13:04. Moon - Rise: 22:57, Set: 06:06. Civil Dark: 21:10 - 04:56. Nautical Dark: 22:04 - 04:02. Astro Dark: 23:13 - 02:51

Total Clouds (% Sky Obscured)

96
96
98
98
99
85
74
66
65
61
56

Low Clouds (% Sky Obscured)

89
85
77
70
62
61
60
59
63
60
55

Medium Clouds (% Sky Obscured)

63
79
84
89
93
81
70
63
57
56
50

High Clouds (% Sky Obscured)

1
1
20
42
77
83
84
85
60
32
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
11
13
10
3
4
6
5
12
15
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

7
6
6
5
5
4
4
4
4
4
4

Feels Like (°C)

4
5
5
4
4
4
3
3
3
3
3

Dew Point (°C)

4
4
3
3
3
3
3
3
2
2
2

Relative Humidity (%)

79
84
85
86
89
91
91
91
91
89
88

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

444
445
447
447
447
447
446
445
445
444
443

Forecast for Richmond, North Yorkshire, United Kingdom (54.40,-1.74)

Generated: 19/04/24 19:37:45. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+1.00