Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:13

02:13

05 OK
06 OK
07 Bad
08 OK
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: 05:14, Set: 20:59, Transit: 13:06. Moon - Rise: 09:13, Set: 02:13. Civil Dark: 21:41 - 04:30. Nautical Dark: 22:39 - 03:32. Astro Dark: 00:12 - 01:55

Total Clouds (% Sky Obscured)

31
38
40
31
54
66
39
41
81
76
45
38
63
85
91
97
86
77
76
62
37
23
11
13

Low Clouds (% Sky Obscured)

28
21
24
25
52
61
22
22
73
23
38
13
23
12
13
20
6
2
0
0
6
5
8
12

Medium Clouds (% Sky Obscured)

22
34
37
26
18
23
30
23
38
62
27
28
41
31
29
13
3
6
2
1
2
18
9
6

High Clouds (% Sky Obscured)

0
2
0
0
0
0
0
18
26
43
9
16
44
80
89
96
86
77
76
62
34
7
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

17
0
9
8
9
9
10
23
43
49
46
42
42
35
31
16
7
7
5
5
8
0
0
0

Precipitation Amount (mm)

0.03
0
0.01
0.01
0.02
0.03
0.05
0.11
0.37
0.36
0.37
0.35
0.38
0.31
0.26
0.1
0.03
0.02
0.01
0.02
0.02
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
94
91
89
90
89
89
88
86
84
80
80
81
84
86
86
87
87
88
89
90

Pressure (mb)

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

Ozone (du)

384
385
386
388
391
392
391
388
382
382
385
386
387
389
388
389
390
391
392
393
393
393
393
392

Tuesday 18

Waxing Crescent 39%

10:23

02:42

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

Sun - Rise: 05:13, Set: 21:00, Transit: 13:06. Moon - Rise: 10:23, Set: 02:42. Civil Dark: 21:42 - 04:29. Nautical Dark: 22:41 - 03:30. Astro Dark: 00:18 - 01:48

Total Clouds (% Sky Obscured)

19
3
2
34
31
41
44
45
45
58
81
98
98
99
99
100
100
96
89
59
48
30
32
11

Low Clouds (% Sky Obscured)

18
3
2
12
22
29
30
25
34
55
27
27
27
24
28
27
23
29
27
43
41
24
21
3

Medium Clouds (% Sky Obscured)

6
0
1
13
19
31
27
26
18
20
19
18
31
82
98
99
98
78
21
14
12
15
28
10

High Clouds (% Sky Obscured)

0
0
0
22
2
2
12
20
16
15
72
97
97
98
97
96
97
91
85
36
13
5
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
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
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
4
3
5
7
18
25
28
18
12
9
10
7
4
4
5
6
6
5
4
4

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.05
0.08
0.15
0.18
0.25
0.17
0.12
0.09
0.07
0.03
0.01
0.01
0.02
0.02
0.03
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
91
84
77
73
71
74
74
73
71
73
75
81
84
87
89
91
92
92
91
92
94

Pressure (mb)

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

Ozone (du)

392
390
389
389
389
389
389
390
391
392
392
394
396
397
398
398
397
396
396
396
397
397
396
396

Wednesday 19

First Quarter 50%

11:38

03:05

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

Sun - Rise: 05:11, Set: 21:01, Transit: 13:06. Moon - Rise: 11:38, Set: 03:05. Civil Dark: 21:44 - 04:27. Nautical Dark: 22:43 - 03:27. Astro Dark: 00:25 - 01:40

Total Clouds (% Sky Obscured)

3
2
2
2
13
33
44
41
45
53
49
45
23
23
9
9
9
9
9
9
38
38
38
38

Low Clouds (% Sky Obscured)

1
0
2
2
13
24
24
18
18
22
20
2
8
20
7
7
7
7
7
7
9
9
9
9

Medium Clouds (% Sky Obscured)

3
1
1
1
0
28
37
40
44
52
47
38
21
10
7
7
7
7
7
7
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
23
5
0
0
0
0
0
0
0
31
31
31
31

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

Precipitation Probability (%)

4
3
0
0
0
2
2
3
3
3
4
5
4
3
3
2
0
0
0
0
8
17
25
27

Precipitation Amount (mm)

0.01
0.01
0
0
0
0.01
0.02
0.02
0.03
0.02
0.06
0.12
0.07
0.02
0.03
0.02
0
0
0
0
0.05
0.1
0.13
0.14

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
9
9
9
9
8
8
8
8
8
8
8
9
9
9
8
8
7
8
7
7
7

Relative Humidity (%)

95
95
93
89
81
75
71
65
62
60
62
64
66
68
72
76
82
86
88
89
92
95
96
97

Pressure (mb)

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

Ozone (du)

395
394
398
399
399
398
396
393
393
390
383
380
380
381
381
382
381
377
373
369
371
370
370
370

Thursday 20

Waxing Gibbous 61%

12:56

03:24

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: 05:10, Set: 21:03, Transit: 13:06. Moon - Rise: 12:56, Set: 03:24. Civil Dark: 21:46 - 04:26. Nautical Dark: 22:45 - 03:25. Astro Dark: 00:33 - 01:29

Total Clouds (% Sky Obscured)

38
38
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
20
20
20
20

Low Clouds (% Sky Obscured)

9
9
0
0
0
0
0
0
23
23
23
23
23
23
100
100
100
100
100
100
9
9
9
9

Medium Clouds (% Sky Obscured)

0
0
99
99
99
99
99
99
100
100
100
100
100
100
34
34
34
34
34
34
17
17
17
17

High Clouds (% Sky Obscured)

31
31
97
97
97
97
97
97
66
66
66
66
66
66
93
93
93
93
93
93
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
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

22
12
24
19
9
6
5
4
11
13
18
20
35
55
51
46
19
8
22
50
36
46
35
36

Precipitation Amount (mm)

0.1
0.05
0.18
0.14
0.09
0.07
0.08
0.12
0.23
0.18
0.1
0.06
0.14
0.37
0.5
0.33
0.1
0.03
0.1
0.31
0.4
0.66
0.39
0.37

Wind Speed/Direction (mph)

7
8
8
10
12
13
14
14
13
13
12
13
15
16
16
16
17
18
18
17
17
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
10
12
13
13
13
13
14
13
13
12
11
12
12
12
12
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

98
99
99
96
88
81
77
74
76
75
83
89
92
93
90
88
85
83
86
93
95
96
98
99

Pressure (mb)

1021
1021
1020
1019
1019
1019
1018
1017
1017
1016
1016
1015
1015
1015
1019
1018
1017
1016
1015
1014
1012
1011
1010
1009

Ozone (du)

369
366
364
362
360
360
361
361
363
361
358
355
353
353
333
330
331
333
334
337
351
354
362
366

Friday 21

Waxing Gibbous 72%

14:16

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: 05:09, Set: 21:04, Transit: 13:07. Moon - Rise: 14:16, Set: 03:41. Civil Dark: 21:47 - 04:24. Nautical Dark: 22:48 - 03:23. Astro Dark: 00:44 - N/A

Total Clouds (% Sky Obscured)

20
20
40
40
40
40
40
40
99
99
99
99
99
99
95
95
95
95
95
95
31
31
31
31

Low Clouds (% Sky Obscured)

9
9
29
29
29
29
29
29
57
57
57
57
57
57
87
87
87
87
87
87
20
20
20
20

Medium Clouds (% Sky Obscured)

17
17
20
20
20
20
20
20
99
99
99
99
99
99
87
87
87
87
87
87
26
26
26
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
41
41
41
41
41
41
35
35
35
35
35
35
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
7
5
7
7
8
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

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

Precipitation Probability (%)

30
27
35
28
19
15
26
36
42
55
60
65
65
69
61
69
76
79
80
79
77
75
73
70

Precipitation Amount (mm)

0.26
0.2
0.32
0.15
0.11
0.09
0.19
0.3
0.38
0.46
0.46
0.41
0.34
0.44
0.45
0.61
0.89
1.13
1.13
0.99
0.83
0.66
0.47
0.36

Wind Speed/Direction (mph)

18
18
18
17
18
18
19
19
19
19
20
20
20
21
23
23
23
23
24
24
24
24
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
12
12
12
12
11
11
11
10
10
11
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

97
94
97
97
95
90
85
81
81
83
86
90
91
93
87
90
93
96
98
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

374
374
372
373
375
374
368
367
366
365
366
366
367
368
371
371
369
368
368
367
367
367
366
366

Saturday 22

Waxing Gibbous 82%

15:39

03:58

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: 05:08, Set: 21:06, Transit: 13:07. Moon - Rise: 15:39, Set: 03:58. Civil Dark: 21:49 - 04:23. Nautical Dark: 22:50 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
31
27
27
27
27
27
27
31
31
31
31
31
31
78
78
78
78
78
78
63
63
63
63

Low Clouds (% Sky Obscured)

20
20
27
27
27
27
27
27
14
14
14
14
14
14
14
14
14
14
14
14
56
56
56
56

Medium Clouds (% Sky Obscured)

26
26
2
2
2
2
2
2
26
26
26
26
26
26
40
40
40
40
40
40
21
21
21
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
62
62
62
62
62
62
27
27
27
27

ISS Passover

Visibility (miles)

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

68
67
64
57
48
46
47
52
59
61
63
65
67
69
68
60
46
34
28
26
24
25
27
28

Precipitation Amount (mm)

0.3
0.28
0.27
0.25
0.23
0.23
0.28
0.35
0.37
0.31
0.25
0.24
0.27
0.31
0.3
0.22
0.13
0.08
0.05
0.04
0.03
0.04
0.07
0.08

Wind Speed/Direction (mph)

24
25
25
25
25
24
24
24
24
24
24
24
23
22
21
20
20
19
18
18
17
17
16
16

Chance of Frost

Temperature (°C)

10
10
10
11
11
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

10
10
10
11
11
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Dew Point (°C)

10
10
10
11
11
12
12
12
12
12
11
11
11
11
11
11
11
10
10
10
10
10
10
10

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95
94
94
95
96
95
95
95

Pressure (mb)

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

Ozone (du)

364
363
363
363
363
364
364
364
364
364
364
364
364
364
365
366
368
369
370
370
370
370
368
368

Sunday 23

Waxing Gibbous 90%

17:04

04:16

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: 05:06, Set: 21:07, Transit: 13:07. Moon - Rise: 17:04, Set: 04:16. Civil Dark: 21:50 - 04:22. Nautical Dark: 22:52 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
63
97
97
97
97
97
97
55
55
55
55
55
55
86
86
86
86
86
86
64
64
64
64

Low Clouds (% Sky Obscured)

56
56
34
34
34
34
34
34
18
18
18
18
18
18
6
6
6
6
6
6
48
48
48
48

Medium Clouds (% Sky Obscured)

21
21
57
57
57
57
57
57
43
43
43
43
43
43
53
53
53
53
53
53
50
50
50
50

High Clouds (% Sky Obscured)

27
27
92
92
92
92
92
92
20
20
20
20
20
20
72
72
72
72
72
72
1
1
1
1

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

Precipitation Probability (%)

25
20
13
7
5
5
5
5
4
4
8
12
13
11
8
6
0
0
0
6
9
9
11
9

Precipitation Amount (mm)

0.07
0.05
0.04
0.03
0.02
0.02
0.02
0.02
0.02
0.04
0.09
0.14
0.12
0.07
0.04
0.01
0
0
0
0.01
0.03
0.06
0.14
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
94
91
87
83
80
77
74
71
69
69
72
76
80
84
87
90
93
96
99
100
100
100

Pressure (mb)

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

Ozone (du)

369
371
373
374
374
374
374
373
373
374
376
377
376
373
372
372
373
373
371
367
364
361
360
358

Forecast for Bristol, City of Bristol, UK (51.45,-2.59)

Generated: 17/05/21 05:30:11. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00