Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

08:50

02:17

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 OK
01 OK
02 OK
03 OK
04 Bad

Sun - Rise: 04:54, Set: 21:00, Transit: 12:58. Moon - Rise: 08:50, Set: 02:17. Civil Dark: 21:46 - 04:08. Nautical Dark: 22:53 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
89
77
88
95
98
93
100
94
98
99
98
97
96
96
93
95
59
27
29
20
28
56

Low Clouds (% Sky Obscured)

100
100
88
69
72
81
92
36
78
8
17
9
22
32
26
27
27
34
28
12
20
16
9
1

Medium Clouds (% Sky Obscured)

7
13
18
21
65
88
91
91
99
93
95
98
91
93
92
93
88
88
46
17
14
10
7
4

High Clouds (% Sky Obscured)

11
24
5
35
48
48
20
27
27
48
92
96
95
92
87
84
81
80
28
13
9
3
20
55

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
6
11
34
50
62
64
62
65
68
69
59
34
26
18
13
14
8
8
7

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.04
0.17
0.32
0.47
0.55
0.56
0.66
0.66
0.69
0.47
0.13
0.08
0.06
0.04
0.04
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
90
88
87
87
90
91
93
92
93
92
93
91
89
87
85
85
86
88
90
92

Pressure (mb)

1001
1002
1002
1003
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

396
395
397
398
398
397
398
400
401
399
396
390
388
387
391
392
393
393
393
393
396
396
394
392

Tuesday 18

Waxing Crescent 39%

10:02

02:43

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

Sun - Rise: 04:52, Set: 21:02, Transit: 12:58. Moon - Rise: 10:02, Set: 02:43. Civil Dark: 21:48 - 04:06. Nautical Dark: 22:56 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

83
91
91
88
84
43
41
34
88
87
95
31
30
30
49
56
47
43
83
43
35
34
25
34

Low Clouds (% Sky Obscured)

1
8
12
15
22
28
36
23
84
84
89
16
19
18
14
6
3
9
20
23
23
18
13
6

Medium Clouds (% Sky Obscured)

4
12
19
37
45
21
20
13
17
14
45
23
24
26
31
28
23
26
38
35
32
32
22
34

High Clouds (% Sky Obscured)

82
89
88
85
77
17
8
10
13
13
52
7
0
3
33
43
34
25
77
16
3
2
2
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
8
7
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
0
6
6
7
18
32
38
23
40
38
28
17
12
5
2
2
1
0
1
1
0
0
0

Precipitation Amount (mm)

0.01
0
0.01
0.01
0.02
0.13
0.29
0.32
0.19
0.37
0.41
0.32
0.26
0.25
0.12
0.01
0.01
0.01
0
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
95
94
89
84
80
77
74
74
72
68
62
59
58
62
67
72
75
77
80
83
86
89

Pressure (mb)

1009
1010
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

390
388
390
388
386
384
383
383
383
383
383
384
384
384
386
386
386
385
385
386
383
383
382
382

Wednesday 19

First Quarter 50%

11:19

03:03

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

Sun - Rise: 04:51, Set: 21:03, Transit: 12:58. Moon - Rise: 11:19, Set: 03:03. Civil Dark: 21:50 - 04:04. Nautical Dark: 22:59 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
20
7
2
3
4
27
44
77
83
73
66
74
55
43
43
43
43
43
43
3
3
3
3

Low Clouds (% Sky Obscured)

9
6
1
1
1
4
27
38
74
77
9
12
32
42
21
21
21
21
21
21
2
2
2
2

Medium Clouds (% Sky Obscured)

27
20
7
2
2
1
4
14
13
16
65
37
46
38
31
31
31
31
31
31
3
3
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
11
26
43
52
60
16
6
6
6
6
6
6
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
9
8
8
7
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
3
4
4
4
14
26
22
30
27
12
7
3
5
4
5
5
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.02
0.04
0.06
0.08
0.26
0.43
0.31
0.35
0.26
0.22
0.12
0.02
0.03
0.02
0.02
0.02
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
5
7
11
13
14
15
16
15
14
14
13
13
13
12
11
9
8
7
7
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

92
95
94
90
81
73
66
61
57
60
62
65
67
65
64
68
73
79
84
87
90
92
93
95

Pressure (mb)

1013
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1019
1019
1020
1020
1020
1019
1020
1020
1020

Ozone (du)

383
385
387
387
387
387
386
386
386
387
386
384
382
379
376
376
377
377
376
377
381
383
384
384

Thursday 20

Waxing Gibbous 61%

12:41

03:20

05 Good
06 Good
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: 04:49, Set: 21:05, Transit: 12:58. Moon - Rise: 12:41, Set: 03:20. Civil Dark: 21:52 - 04:02. Nautical Dark: 23:02 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
3
58
58
58
58
58
58
100
100
100
100
100
100
99
99
99
99
99
99
33
33
33
33

Low Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
34
34
34
34
34
34
98
98
98
98
98
98
10
10
10
10

Medium Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
100
100
100
100
100
100
65
65
65
65
65
65
30
30
30
30

High Clouds (% Sky Obscured)

0
0
58
58
58
58
58
58
98
98
98
98
98
98
63
63
63
63
63
63
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
10
10
10
10
10
10
10
10
10
10
9
10
10
10
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
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
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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
16
19
22
16
10
7
11
12
14
17
13
9
6
5
11
19
27
43
28
30
44
47

Precipitation Amount (mm)

0
0
0.09
0.13
0.18
0.19
0.17
0.12
0.32
0.41
0.45
0.47
0.38
0.25
0.08
0.02
0.05
0.09
0.07
0.18
0.29
0.37
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
8
11
13
14
15
15
15
16
15
14
14
15
14
13
11
11
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

97
97
98
95
86
79
74
69
65
62
58
60
63
66
66
73
81
87
90
92
93
94
94
96

Pressure (mb)

1020
1020
1019
1019
1018
1018
1017
1016
1016
1016
1015
1014
1014
1013
1017
1016
1016
1015
1014
1013
1010
1009
1008
1007

Ozone (du)

381
376
369
366
366
366
367
366
361
361
363
363
363
362
346
344
344
345
346
347
355
359
363
366

Friday 21

Waxing Gibbous 72%

14:04

03:34

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 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:48, Set: 21:07, Transit: 12:58. Moon - Rise: 14:04, Set: 03:34. Civil Dark: 21:54 - 04:01. Nautical Dark: 23:04 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
33
98
98
98
98
98
98
79
79
79
79
79
79
87
87
87
87
87
87
90
90
90
90

Low Clouds (% Sky Obscured)

10
10
1
1
1
1
1
1
22
22
22
22
22
22
37
37
37
37
37
37
73
73
73
73

Medium Clouds (% Sky Obscured)

30
30
97
97
97
97
97
97
65
65
65
65
65
65
66
66
66
66
66
66
27
27
27
27

High Clouds (% Sky Obscured)

0
0
84
84
84
84
84
84
61
61
61
61
61
61
72
72
72
72
72
72
67
67
67
67

ISS Passover

Visibility (miles)

8
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

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
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 (%)

63
64
71
73
30
27
12
12
9
13
24
35
41
48
47
48
50
55
45
29
21
31
47
58

Precipitation Amount (mm)

0.55
0.51
0.7
0.6
0.16
0.17
0.1
0.13
0.1
0.13
0.24
0.25
0.26
0.25
0.21
0.2
0.21
0.21
0.12
0.03
0.01
0.03
0.11
0.18

Wind Speed/Direction (mph)

16
15
16
17
17
17
18
18
19
18
18
18
18
18
20
19
19
18
18
18
18
18
19
19

Chance of Frost

Temperature (°C)

10
10
10
11
12
12
13
14
15
16
16
16
15
13
12
12
12
11
11
11
11
11
11
11

Feels Like (°C)

10
10
10
11
12
12
13
14
15
16
16
16
15
13
12
12
12
11
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

99
100
100
98
92
86
81
75
70
65
63
66
72
80
78
84
89
92
93
93
92
92
94
96

Pressure (mb)

1006
1005
1006
1005
1005
1004
1003
1002
1001
1000
999
998
998
997
996
995
995
994
993
993
992
991
991
990

Ozone (du)

368
372
365
366
369
371
372
374
377
375
370
367
365
366
371
370
368
366
365
364
363
362
361
360

Saturday 22

Waxing Gibbous 82%

15:29

03:48

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 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:47, Set: 21:08, Transit: 12:58. Moon - Rise: 15:29, Set: 03:48. Civil Dark: 21:55 - 03:59. Nautical Dark: 23:07 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
90
81
81
81
81
81
81
91
91
91
91
91
91
46
46
46
46
46
46
66
66
66
66

Low Clouds (% Sky Obscured)

73
73
46
46
46
46
46
46
88
88
88
88
88
88
32
32
32
32
32
32
17
17
17
17

Medium Clouds (% Sky Obscured)

27
27
72
72
72
72
72
72
9
9
9
9
9
9
31
31
31
31
31
31
6
6
6
6

High Clouds (% Sky Obscured)

67
67
21
21
21
21
21
21
27
27
27
27
27
27
6
6
6
6
6
6
60
60
60
60

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
8
9
9
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
Light Rain
Light Rain
Light Rain
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
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 (%)

60
64
67
66
65
62
58
55
50
42
31
28
29
31
34
35
33
30
28
30
31
32
35
38

Precipitation Amount (mm)

0.25
0.51
0.87
1.06
1.13
1.13
1.1
1.05
0.89
0.52
0.22
0.16
0.15
0.14
0.12
0.09
0.07
0.06
0.05
0.05
0.05
0.05
0.07
0.08

Wind Speed/Direction (mph)

19
18
18
18
19
19
18
18
18
18
18
19
19
18
18
17
15
14
13
11
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

99
100
100
100
100
100
100
100
98
90
82
78
77
79
83
86
89
91
93
95
96
97
98
99

Pressure (mb)

990
990
990
990
990
990
991
992
993
994
994
995
995
996
996
997
997
998
998
998
999
999
999
1000

Ozone (du)

360
360
360
360
361
361
362
363
364
365
365
366
366
366
366
366
364
364
365
367
368
371
373
375

Sunday 23

Waxing Gibbous 90%

16:57

04:04

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 Good
02 Good
03 OK
04 OK

Sun - Rise: 04:45, Set: 21:10, Transit: 12:58. Moon - Rise: 16:57, Set: 04:04. Civil Dark: 21:57 - 03:57. Nautical Dark: 23:10 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
66
65
65
65
65
65
65
99
99
99
99
99
99
100
100
100
100
100
100
12
12
12
12

Low Clouds (% Sky Obscured)

17
17
48
48
48
48
48
48
29
29
29
29
29
29
27
27
27
27
27
27
4
4
4
4

Medium Clouds (% Sky Obscured)

6
6
52
52
52
52
52
52
71
71
71
71
71
71
100
100
100
100
100
100
9
9
9
9

High Clouds (% Sky Obscured)

60
60
13
13
13
13
13
13
99
99
99
99
99
99
100
100
100
100
100
100
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
7
6
7
8
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
41
41
35
22
19
20
22
24
26
26
23
18
13
10
5
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.08
0.09
0.09
0.07
0.05
0.04
0.06
0.09
0.13
0.16
0.18
0.19
0.18
0.14
0.1
0.05
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

99
98
97
94
90
87
84
82
79
75
71
68
64
62
61
65
69
73
77
81
83
86
88
92

Pressure (mb)

1000
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1005
1006
1006
1007
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

377
377
378
377
376
375
375
374
373
372
371
370
369
367
366
366
366
367
369
371
372
370
366
364

Forecast for Barton-upon-Humber, North Lincolnshire, UK (53.68,-0.45)

Generated: 17/05/21 05:09:23. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00