Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:18

02:10

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

Sun - Rise: 05:18, Set: 20:56, Transit: 13:07. Moon - Rise: 09:18, Set: 02:10. Civil Dark: 21:37 - 04:35. Nautical Dark: 22:33 - 03:39. Astro Dark: 23:56 - 02:14

Total Clouds (% Sky Obscured)

1
1
1
2
14
34
40
40
60
73
88
89
85
50
41
42
31
21
21
22
9
14
25
9

Low Clouds (% Sky Obscured)

1
1
1
2
6
22
19
13
23
57
41
23
26
27
16
10
6
2
1
1
3
3
20
8

Medium Clouds (% Sky Obscured)

0
0
0
0
12
26
29
23
44
21
68
43
80
32
23
13
15
20
21
21
6
13
17
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
14
24
28
38
74
84
52
18
23
33
20
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

12
16
8
9
8
6
7
28
23
56
58
58
48
36
37
12
5
5
3
3
4
0
0
0

Precipitation Amount (mm)

0.02
0.01
0.02
0.02
0.02
0.03
0.04
0.23
0.13
0.82
0.79
0.93
0.72
0.56
0.45
0.1
0.02
0.02
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
10
12
13
13
13
13
13
13
13
13
13
12
12
10
7
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

89
90
91
91
88
87
87
89
89
90
89
88
85
83
82
83
84
85
86
86
86
86
87
89

Pressure (mb)

1003
1004
1004
1005
1005
1006
1007
1007
1008
1008
1009
1009
1009
1010
1011
1011
1012
1012
1013
1013
1012
1013
1013
1014

Ozone (du)

378
382
386
386
383
380
379
384
385
386
385
386
388
389
390
390
390
391
392
393
393
394
395
394

Tuesday 18

Waxing Crescent 39%

10:27

02:40

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 OK
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 05:16, Set: 20:58, Transit: 13:07. Moon - Rise: 10:27, Set: 02:40. Civil Dark: 21:39 - 04:34. Nautical Dark: 22:35 - 03:37. Astro Dark: 00:01 - 02:09

Total Clouds (% Sky Obscured)

6
8
12
19
28
45
44
41
83
91
93
98
99
99
100
99
99
84
45
20
6
13
6
3

Low Clouds (% Sky Obscured)

4
3
8
11
25
34
30
21
17
23
20
31
17
23
9
58
63
3
28
17
6
12
4
2

Medium Clouds (% Sky Obscured)

3
7
10
8
6
23
27
19
19
31
24
84
92
97
99
98
98
70
23
9
2
7
5
2

High Clouds (% Sky Obscured)

0
0
0
9
2
6
13
25
78
88
91
96
98
98
95
93
81
75
23
0
0
0
0
0

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
Very Light Rain
Very 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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
4
4
7
39
51
48
43
40
34
29
33
37
29
17
8
9
5
3
3
3

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.05
0.29
0.61
0.62
0.58
0.44
0.28
0.22
0.23
0.35
0.3
0.2
0.08
0.08
0.06
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
9
10
11
12
13
14
14
14
14
14
13
13
12
12
11
10
10
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
92
88
85
82
82
81
81
81
82
81
82
81
84
86
87
88
88
89
88
89
90
91

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1015
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

391
388
389
389
390
389
391
392
395
396
396
397
397
398
391
393
393
394
394
395
395
396
396
396

Wednesday 19

First Quarter 50%

11:41

03:03

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

Sun - Rise: 05:15, Set: 20:59, Transit: 13:07. Moon - Rise: 11:41, Set: 03:03. Civil Dark: 21:40 - 04:32. Nautical Dark: 22:37 - 03:35. Astro Dark: 00:05 - 02:04

Total Clouds (% Sky Obscured)

15
6
2
2
16
32
34
44
51
50
48
46
33
28
15
15
15
15
15
15
12
12
12
12

Low Clouds (% Sky Obscured)

11
5
2
2
16
31
24
25
29
26
29
36
20
21
12
12
12
12
12
12
0
0
0
0

Medium Clouds (% Sky Obscured)

9
2
2
1
1
22
27
38
48
45
45
38
29
23
11
11
11
11
11
11
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
12
12
12

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

Precipitation Probability (%)

3
2
0
0
3
5
4
6
6
11
12
6
4
2
2
1
0
0
0
1
7
15
19
19

Precipitation Amount (mm)

0.01
0.01
0
0
0.01
0.03
0.03
0.16
0.13
0.21
0.3
0.31
0.21
0.02
0.02
0.01
0
0
0
0.01
0.11
0.18
0.16
0.14

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
88
85
80
76
72
68
66
66
67
68
68
69
72
77
79
83
86
86
89
89
90

Pressure (mb)

1017
1017
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1022
1023
1023
1022

Ozone (du)

396
396
400
399
398
396
393
390
394
392
389
384
381
381
383
379
375
371
368
364
366
365
364
363

Thursday 20

Waxing Gibbous 61%

12:59

03:23

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: 05:14, Set: 21:00, Transit: 13:07. Moon - Rise: 12:59, Set: 03:23. Civil Dark: 21:42 - 04:31. Nautical Dark: 22:39 - 03:33. Astro Dark: 00:11 - 01:58

Total Clouds (% Sky Obscured)

12
12
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
46
46
46
46

Low Clouds (% Sky Obscured)

0
0
24
24
24
24
24
24
2
2
2
2
2
2
100
100
100
100
100
100
46
46
46
46

Medium Clouds (% Sky Obscured)

0
0
97
97
97
97
97
97
95
95
95
95
95
95
27
27
27
27
27
27
0
0
0
0

High Clouds (% Sky Obscured)

12
12
98
98
98
98
98
98
88
88
88
88
88
88
40
40
40
40
40
40
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

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

Precipitation Probability (%)

17
15
16
8
6
5
7
15
30
25
12
8
11
31
30
33
27
15
18
53
28
29
27
24

Precipitation Amount (mm)

0.12
0.09
0.11
0.09
0.07
0.06
0.1
0.25
0.32
0.21
0.09
0.06
0.07
0.19
0.27
0.24
0.18
0.12
0.18
0.43
0.36
0.4
0.43
0.34

Wind Speed/Direction (mph)

9
8
10
12
14
17
18
20
20
20
20
20
20
21
19
20
20
21
22
23
23
23
24
23

Chance of Frost

Temperature (°C)

8
9
10
11
12
12
13
13
13
13
14
13
13
12
12
12
12
11
11
11
11
11
11
11

Feels Like (°C)

6
7
8
11
12
12
13
13
13
13
14
13
13
12
12
12
12
11
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
90
87
86
87
90
89
87
85
85
86
88
89
90
87
86
90
92
93
93
94
96

Pressure (mb)

1022
1022
1021
1020
1020
1020
1019
1019
1018
1017
1017
1017
1017
1017
1020
1019
1019
1017
1016
1015
1014
1012
1011
1010

Ozone (du)

362
360
363
363
363
362
361
360
361
359
356
354
353
351
330
327
329
329
330
332
342
347
353
361

Friday 21

Waxing Gibbous 72%

14:18

03:41

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: 05:13, Set: 21:02, Transit: 13:07. Moon - Rise: 14:18, Set: 03:41. Civil Dark: 21:44 - 04:29. Nautical Dark: 22:42 - 03:31. Astro Dark: 00:16 - 01:53

Total Clouds (% Sky Obscured)

46
46
42
42
42
42
42
42
56
56
56
56
56
56
95
95
95
95
95
95
27
27
27
27

Low Clouds (% Sky Obscured)

46
46
24
24
24
24
24
24
30
30
30
30
30
30
90
90
90
90
90
90
9
9
9
9

Medium Clouds (% Sky Obscured)

0
0
28
28
28
28
28
28
46
46
46
46
46
46
91
91
91
91
91
91
21
21
21
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
24
24
24
24
24
24
2
2
2
2
2
2
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
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
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 (%)

18
20
23
26
30
24
22
29
34
38
36
42
43
44
29
28
34
40
40
38
39
42
49
51

Precipitation Amount (mm)

0.24
0.23
0.19
0.18
0.16
0.18
0.19
0.22
0.24
0.18
0.16
0.16
0.15
0.15
0.12
0.12
0.12
0.12
0.1
0.09
0.1
0.12
0.16
0.18

Wind Speed/Direction (mph)

23
22
21
21
23
24
24
26
26
27
28
28
28
29
32
32
32
32
32
33
33
33
32
32

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
96
95
94
95
93
90
90
91
92
92
91
90
88
85
85
87
88
90
92
93
92
92
92

Pressure (mb)

1009
1009
1010
1009
1008
1007
1007
1006
1005
1005
1004
1003
1003
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000
999

Ozone (du)

366
370
370
374
374
373
368
370
366
365
365
365
365
368
373
373
371
370
371
372
372
371
371
370

Saturday 22

Waxing Gibbous 82%

15:40

03:59

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 OK
22 OK
23 OK
00 OK
01 Good
02 OK
03 OK
04 OK

Sun - Rise: 05:11, Set: 21:03, Transit: 13:07. Moon - Rise: 15:40, Set: 03:59. Civil Dark: 21:45 - 04:28. Nautical Dark: 22:44 - 03:29. Astro Dark: 00:22 - 01:46

Total Clouds (% Sky Obscured)

27
27
61
61
61
61
61
61
48
48
48
48
48
48
19
19
19
19
19
19
9
9
9
9

Low Clouds (% Sky Obscured)

9
9
59
59
59
59
59
59
28
28
28
28
28
28
18
18
18
18
18
18
6
6
6
6

Medium Clouds (% Sky Obscured)

21
21
5
5
5
5
5
5
43
43
43
43
43
43
4
4
4
4
4
4
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5

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

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
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

46
38
35
34
33
32
29
24
24
29
37
43
44
41
36
27
18
11
8
6
4
4
6
6

Precipitation Amount (mm)

0.14
0.1
0.09
0.09
0.09
0.09
0.09
0.09
0.09
0.1
0.13
0.15
0.18
0.19
0.18
0.13
0.07
0.04
0.02
0.01
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

32
32
31
31
30
30
29
29
28
28
29
28
27
26
25
23
22
20
19
19
18
17
16
15

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
12
13
13
12
12
12
12
13
13
12
12
12
11
11
11
11
11
11

Feels Like (°C)

11
11
11
12
12
12
12
13
13
12
12
12
12
13
13
12
12
12
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
88
90
91
89
87
87
88
89
88
84
78
76
77
80
83
84
86
87
88
89
90

Pressure (mb)

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

Ozone (du)

369
368
367
366
366
366
365
365
365
365
365
366
366
366
366
367
368
368
368
367
366
366
367
368

Sunday 23

Waxing Gibbous 90%

17:04

04:18

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: 05:10, Set: 21:04, Transit: 13:07. Moon - Rise: 17:04, Set: 04:18. Civil Dark: 21:47 - 04:27. Nautical Dark: 22:46 - 03:27. Astro Dark: 00:29 - 01:38

Total Clouds (% Sky Obscured)

9
9
98
98
98
98
98
98
97
97
97
97
97
97
98
98
98
98
98
98
97
97
97
97

Low Clouds (% Sky Obscured)

6
6
3
3
3
3
3
3
28
28
28
28
28
28
58
58
58
58
58
58
6
6
6
6

Medium Clouds (% Sky Obscured)

1
1
2
2
2
2
2
2
94
94
94
94
94
94
18
18
18
18
18
18
3
3
3
3

High Clouds (% Sky Obscured)

5
5
98
98
98
98
98
98
73
73
73
73
73
73
98
98
98
98
98
98
97
97
97
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

4
3
3
2
3
4
6
7
7
7
5
4
4
3
3
3
1
1
9
29
33
34
30
30

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0.01
0.01
0.02
0.03
0.04
0.03
0.02
0.01
0.01
0.02
0.02
0.01
0.01
0.02
0.12
0.55
1
0.93
0.6
0.37

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
12
12
13
13
14
15
15
15
15
14
14
14
13
12
11
11
8
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
85
85
83
81
77
75
74
75
76
76
74
74
76
81
86
90
96
100
100
100
100

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1007

Ozone (du)

368
369
371
372
374
376
377
379
380
380
379
378
377
375
374
374
375
374
371
367
363
361
359
357

Forecast for Bridport, Dorset, UK (50.73,-2.76)

Generated: 17/05/21 05:13:54. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00