Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:06

02:09

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

Sun - Rise: 05:08, Set: 20:54, Transit: 13:01. Moon - Rise: 09:06, Set: 02:09. Civil Dark: 21:37 - 04:24. Nautical Dark: 22:35 - 03:25. Astro Dark: 00:12 - 01:43

Total Clouds (% Sky Obscured)

34
56
26
48
81
91
78
33
65
45
63
60
84
95
91
78
91
95
96
91
48
9
24
9

Low Clouds (% Sky Obscured)

28
27
20
48
81
91
77
26
52
19
9
25
16
23
16
12
23
23
23
13
6
8
23
3

Medium Clouds (% Sky Obscured)

20
28
20
8
6
2
5
20
38
32
56
48
70
92
83
32
27
16
20
13
5
2
3
6

High Clouds (% Sky Obscured)

1
34
0
1
0
0
2
3
18
22
20
41
76
78
70
73
87
94
95
90
44
1
2
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
7
6
6
6
6
10
9
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
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

18
21
18
16
24
28
25
22
27
47
54
54
57
60
54
40
17
16
9
7
8
0
0
0

Precipitation Amount (mm)

0.03
0
0.04
0.04
0.09
0.16
0.13
0.09
0.12
0.32
0.65
0.6
0.75
0.79
0.58
0.33
0.07
0.1
0.05
0.06
0.04
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
8
11
12
13
14
14
14
13
13
12
12
12
11
8
7
6
6
5
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

91
96
97
99
99
95
91
86
84
86
91
93
95
94
91
88
87
86
85
86
87
88
89
92

Pressure (mb)

1001
1002
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1009
1010
1010
1011
1011
1011
1011
1012
1012

Ozone (du)

386
383
386
388
389
389
390
391
391
388
383
383
384
386
387
389
390
391
393
393
394
393
392
392

Tuesday 18

Waxing Crescent 39%

10:16

02:37

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

Sun - Rise: 05:06, Set: 20:56, Transit: 13:01. Moon - Rise: 10:16, Set: 02:37. Civil Dark: 21:38 - 04:22. Nautical Dark: 22:38 - 03:22. Astro Dark: 00:19 - 01:34

Total Clouds (% Sky Obscured)

26
14
15
14
16
33
48
40
40
79
53
66
89
98
99
99
99
98
98
89
88
94
41
13

Low Clouds (% Sky Obscured)

0
1
5
14
16
17
23
27
9
16
33
32
22
29
19
19
15
13
0
1
3
11
15
12

Medium Clouds (% Sky Obscured)

26
14
14
1
2
9
30
35
32
27
32
24
23
38
40
93
97
93
59
66
38
9
8
7

High Clouds (% Sky Obscured)

0
0
0
0
0
18
27
6
14
73
25
56
87
97
99
98
98
98
97
80
84
93
31
0

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
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
None
None
None
None
None
None

Precipitation Probability (%)

0
9
12
11
10
9
10
11
17
21
38
37
39
42
27
15
6
5
4
5
4
0
0
0

Precipitation Amount (mm)

0
0.02
0.04
0.04
0.05
0.06
0.1
0.13
0.16
0.18
0.35
0.32
0.33
0.39
0.15
0.12
0.04
0.05
0.03
0.03
0.02
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
97
97
98
94
89
83
75
73
72
75
75
78
79
80
82
84
86
88
91
91
92
92
95

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

391
390
389
389
390
390
391
391
390
390
389
389
390
391
396
396
396
396
395
395
396
396
395
394

Wednesday 19

First Quarter 50%

11:31

03:00

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

Sun - Rise: 05:05, Set: 20:57, Transit: 13:01. Moon - Rise: 11:31, Set: 03:00. Civil Dark: 21:40 - 04:21. Nautical Dark: 22:40 - 03:20. Astro Dark: 00:28 - 01:23

Total Clouds (% Sky Obscured)

16
12
6
24
22
36
39
42
41
43
71
60
56
60
18
18
18
18
18
18
2
2
2
2

Low Clouds (% Sky Obscured)

16
12
5
23
22
27
20
16
21
31
66
50
46
16
10
10
10
10
10
10
1
1
1
1

Medium Clouds (% Sky Obscured)

5
3
4
4
3
30
33
38
38
37
27
21
21
52
15
15
15
15
15
15
2
2
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
9
37
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

4
4
7
5
6
13
12
25
31
23
17
14
17
15
10
4
2
2
0
3
2
3
6
12

Precipitation Amount (mm)

0.01
0.01
0.02
0.01
0.03
0.13
0.11
0.19
0.22
0.19
0.14
0.13
0.13
0.12
0.11
0.03
0.01
0.01
0
0.01
0.01
0.02
0.07
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
7
11
12
13
13
13
15
15
16
15
15
14
13
11
8
7
6
6
5
4
3

Dew Point (°C)

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

Relative Humidity (%)

97
99
100
97
91
85
83
82
83
75
69
66
68
71
74
75
78
81
83
87
88
91
94
97

Pressure (mb)

1015
1015
1016
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1021
1021
1022
1022
1022
1021
1022
1022
1022

Ozone (du)

394
393
398
398
398
397
396
395
396
393
389
383
378
378
379
380
382
383
383
381
380
378
374
372

Thursday 20

Waxing Gibbous 61%

12:50

03:19

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

Sun - Rise: 05:04, Set: 20:59, Transit: 13:01. Moon - Rise: 12:50, Set: 03:19. Civil Dark: 21:42 - 04:19. Nautical Dark: 22:42 - 03:18. Astro Dark: 00:39 - N/A

Total Clouds (% Sky Obscured)

2
2
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
30
30
30
30

Low Clouds (% Sky Obscured)

1
1
3
3
3
3
3
3
41
41
41
41
41
41
100
100
100
100
100
100
30
30
30
30

Medium Clouds (% Sky Obscured)

2
2
91
91
91
91
91
91
98
98
98
98
98
98
28
28
28
28
28
28
0
0
0
0

High Clouds (% Sky Obscured)

0
0
98
98
98
98
98
98
96
96
96
96
96
96
84
84
84
84
84
84
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
8
10
9
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
Very Light Rain
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
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

20
19
22
14
6
4
6
12
11
9
11
10
11
6
0
2
8
18
42
40
16
20
38
36

Precipitation Amount (mm)

0.12
0.1
0.09
0.06
0.04
0.03
0.07
0.13
0.14
0.15
0.15
0.14
0.09
0.05
0
0.01
0.05
0.08
0.21
0.17
0.2
0.3
0.57
0.34

Wind Speed/Direction (mph)

7
7
9
10
12
13
14
15
15
15
15
14
14
15
15
15
15
15
16
17
17
17
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
5
7
11
13
13
13
14
15
14
13
13
12
13
13
12
11
11
11
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

99
100
100
98
90
83
78
75
73
68
71
77
79
80
75
78
85
91
93
93
93
94
95
97

Pressure (mb)

1022
1022
1021
1020
1020
1019
1019
1018
1017
1017
1016
1015
1015
1015
1020
1019
1018
1017
1016
1015
1013
1012
1011
1010

Ozone (du)

369
368
363
363
366
366
366
362
366
364
362
360
357
356
334
331
331
333
334
335
343
348
353
358

Friday 21

Waxing Gibbous 72%

14:10

03:36

05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
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

Sun - Rise: 05:03, Set: 21:00, Transit: 13:01. Moon - Rise: 14:10, Set: 03:36. Civil Dark: 21:43 - 04:18. Nautical Dark: 22:45 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
30
12
12
12
12
12
12
79
79
79
79
79
79
98
98
98
98
98
98
77
77
77
77

Low Clouds (% Sky Obscured)

30
30
3
3
3
3
3
3
21
21
21
21
21
21
91
91
91
91
91
91
47
47
47
47

Medium Clouds (% Sky Obscured)

0
0
10
10
10
10
10
10
77
77
77
77
77
77
95
95
95
95
95
95
72
72
72
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
8
8
8
8
8
5
5
5
5
5
5
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
8
7
9
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
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 (%)

23
30
40
20
12
12
10
12
15
36
46
54
56
58
51
44
33
30
31
33
38
48
58
60

Precipitation Amount (mm)

0.18
0.2
0.27
0.11
0.08
0.06
0.07
0.1
0.09
0.26
0.28
0.29
0.28
0.27
0.24
0.17
0.11
0.09
0.08
0.08
0.08
0.12
0.19
0.23

Wind Speed/Direction (mph)

18
18
18
18
18
18
18
20
21
20
19
19
19
20
23
22
21
21
21
22
23
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
10
10
10
11
11
11
11
11
11
10
9
10
10
9
9
10
10
10
10
10

Relative Humidity (%)

98
97
99
97
92
88
83
78
75
79
85
91
93
93
83
86
88
91
92
94
95
96
98
100

Pressure (mb)

1009
1008
1009
1008
1008
1007
1006
1005
1004
1003
1002
1002
1001
1001
1000
999
999
999
998
998
997
997
997
996

Ozone (du)

363
366
369
368
369
370
371
367
369
368
366
366
365
365
368
369
370
370
370
370
369
369
368
368

Saturday 22

Waxing Gibbous 82%

15:33

03:53

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

Sun - Rise: 05:01, Set: 21:01, Transit: 13:01. Moon - Rise: 15:33, Set: 03:53. Civil Dark: 21:45 - 04:16. Nautical Dark: 22:47 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
77
20
20
20
20
20
20
92
92
92
92
92
92
62
62
62
62
62
62
7
7
7
7

Low Clouds (% Sky Obscured)

47
47
4
4
4
4
4
4
90
90
90
90
90
90
23
23
23
23
23
23
2
2
2
2

Medium Clouds (% Sky Obscured)

72
72
19
19
19
19
19
19
27
27
27
27
27
27
56
56
56
56
56
56
6
6
6
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
2
2
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
8
7
7
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

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 (%)

58
53
48
48
51
51
45
42
36
31
29
33
42
48
48
49
50
46
33
20
14
12
13
17

Precipitation Amount (mm)

0.22
0.18
0.16
0.18
0.22
0.24
0.22
0.19
0.17
0.15
0.14
0.15
0.15
0.16
0.16
0.17
0.18
0.17
0.11
0.06
0.03
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
11
11
11
12
12
13
13
14
13
13
12
12
12
11
11
11
11
11
10
10
7

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
99
98
97
97
93
88
84
84
85
89
90
92
91
90
90
90
90
91
92
93

Pressure (mb)

996
996
997
997
997
998
998
999
999
1000
1000
1001
1001
1001
1001
1002
1003
1003
1004
1004
1004
1005
1005
1005

Ozone (du)

367
366
365
364
364
363
363
363
363
363
363
363
363
363
364
365
366
368
369
370
371
370
370
369

Sunday 23

Waxing Gibbous 90%

16:59

04:10

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

Sun - Rise: 04:59, Set: 21:03, Transit: 13:01. Moon - Rise: 16:59, Set: 04:10. Civil Dark: 21:46 - 04:15. Nautical Dark: 22:49 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
7
31
31
31
31
31
31
97
97
97
97
97
97
100
100
100
100
100
100
41
41
41
41

Low Clouds (% Sky Obscured)

2
2
23
23
23
23
23
23
17
17
17
17
17
17
100
100
100
100
100
100
17
17
17
17

Medium Clouds (% Sky Obscured)

6
6
13
13
13
13
13
13
94
94
94
94
94
94
100
100
100
100
100
100
35
35
35
35

High Clouds (% Sky Obscured)

2
2
6
6
6
6
6
6
90
90
90
90
90
90
50
50
50
50
50
50
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
7
9
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
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

16
17
15
9
5
2
3
5
5
5
5
6
7
8
9
7
5
4
3
0
0
2
6
10

Precipitation Amount (mm)

0.03
0.04
0.05
0.03
0.01
0.01
0.01
0.02
0.04
0.07
0.11
0.15
0.14
0.12
0.08
0.05
0.02
0.01
0.01
0
0
0.02
0.11
0.22

Wind Speed/Direction (mph)

17
17
17
17
17
16
15
14
14
13
12
12
11
10
9
8
7
6
6
6
6
5
5
4

Chance of Frost

Temperature (°C)

10
10
10
11
12
13
13
14
15
16
16
17
16
15
15
14
13
12
11
10
10
9
9
8

Feels Like (°C)

7
7
10
11
12
13
13
14
15
16
16
17
16
15
15
14
13
12
11
10
8
8
7
7

Dew Point (°C)

9
9
9
9
10
10
10
10
9
9
9
9
9
9
9
10
10
10
9
9
9
8
8
8

Relative Humidity (%)

93
93
94
91
87
83
79
76
71
65
61
60
61
65
69
75
82
86
90
93
94
95
96
98

Pressure (mb)

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

Ozone (du)

369
369
370
370
371
372
372
372
372
372
372
372
372
371
372
373
375
376
374
371
368
365
362
360

Forecast for Culham, Oxfordshire, UK (51.66,-1.27)

Generated: 17/05/21 05:34:21. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00