Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:21

02:13

04 OK
05 OK
06 OK
07 OK
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 Bad
00 Bad
01 OK
02 OK
03 OK

Sun - Rise: 05:21, Set: 20:59, Transit: 13:10. Moon - Rise: 09:21, Set: 02:13. Civil Dark: 21:40 - 04:40. Nautical Dark: 22:36 - 03:42. Astro Dark: 23:58 - 02:17

Total Clouds (% Sky Obscured)

6
18
17
31
49
45
48
61
73
59
77
78
87
59
31
40
43
31
33
50
57
23
22
13

Low Clouds (% Sky Obscured)

5
18
17
30
48
32
27
41
51
41
30
31
38
34
18
15
25
16
5
6
8
16
19
10

Medium Clouds (% Sky Obscured)

2
0
0
1
8
30
33
26
38
20
51
16
81
47
14
21
25
25
31
48
55
16
12
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
19
28
34
29
65
70
39
13
11
24
14
0
0
0
2
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

13
12
10
9
12
15
16
31
40
44
47
45
42
28
22
24
13
8
7
6
6
8
6
5

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0.03
0.08
0.13
0.32
0.49
0.51
0.53
0.46
0.46
0.25
0.17
0.13
0.07
0.04
0.04
0.03
0.03
0.03
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
93
95
96
95
93
92
92
94
93
91
89
88
86
86
87
87
87
87
89
90
90
90

Pressure (mb)

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

Ozone (du)

379
382
386
386
384
381
380
382
386
385
385
385
387
388
389
390
390
391
391
392
391
393
393
392

Tuesday 18

Waxing Crescent 39%

10:30

02:43

04 OK
05 OK
06 OK
07 OK
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 OK
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 05:20, Set: 21:01, Transit: 13:10. Moon - Rise: 10:30, Set: 02:43. Civil Dark: 21:42 - 04:38. Nautical Dark: 22:38 - 03:40. Astro Dark: 00:03 - 02:12

Total Clouds (% Sky Obscured)

19
17
20
27
26
42
48
61
82
95
91
98
98
99
100
100
100
88
27
16
11
15
6
3

Low Clouds (% Sky Obscured)

10
11
13
13
20
35
36
53
57
31
34
26
29
29
70
69
11
17
22
16
10
15
6
2

Medium Clouds (% Sky Obscured)

13
13
15
6
14
22
31
18
16
43
30
91
91
97
99
99
99
57
14
5
2
2
1
0

High Clouds (% Sky Obscured)

8
0
7
16
7
9
9
20
66
91
87
96
95
96
96
94
95
83
1
0
1
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
None
None
None
Very 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
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 (%)

3
2
1
4
5
6
7
20
24
39
35
43
44
45
30
26
23
9
8
7
8
9
7
8

Precipitation Amount (mm)

0.02
0.02
0.01
0.01
0.01
0.01
0.02
0.15
0.16
0.31
0.28
0.51
0.5
0.39
0.19
0.25
0.22
0.06
0.04
0.03
0.05
0.06
0.05
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
93
92
90
87
85
82
82
81
78
79
82
85
87
89
89
89
91
92
92
92
92

Pressure (mb)

1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

390
387
385
388
388
389
392
394
394
398
398
399
399
399
399
393
393
393
393
394
395
396
396
397

Wednesday 19

First Quarter 50%

11:44

03:06

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

Sun - Rise: 05:18, Set: 21:02, Transit: 13:10. Moon - Rise: 11:44, Set: 03:06. Civil Dark: 21:43 - 04:37. Nautical Dark: 22:40 - 03:38. Astro Dark: 00:08 - 02:08

Total Clouds (% Sky Obscured)

28
16
6
11
10
31
29
33
37
40
38
34
25
26
16
9
9
9
9
9
9
3
3
3

Low Clouds (% Sky Obscured)

8
4
5
11
10
29
27
29
31
28
24
23
11
17
13
9
9
9
9
9
9
0
0
0

Medium Clouds (% Sky Obscured)

23
14
4
1
0
13
20
24
26
35
34
32
22
23
12
2
2
2
2
2
2
0
0
0

High Clouds (% Sky Obscured)

6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2

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

Precipitation Probability (%)

9
8
6
4
1
0
0
3
3
6
5
4
3
3
0
2
0
0
0
0
2
12
24
15

Precipitation Amount (mm)

0.08
0.07
0.04
0.02
0.01
0
0
0.01
0.02
0.11
0.13
0.07
0.06
0.02
0
0.01
0
0
0
0
0.02
0.14
0.16
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
95
95
93
87
80
76
72
69
66
64
65
66
69
72
77
82
85
87
90
92
94
94

Pressure (mb)

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

Ozone (du)

396
397
397
398
396
395
392
390
389
392
390
388
385
383
380
376
372
370
366
363
360
365
364
363

Thursday 20

Waxing Gibbous 61%

13:02

03:26

04 Good
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

Sun - Rise: 05:17, Set: 21:03, Transit: 13:10. Moon - Rise: 13:02, Set: 03:26. Civil Dark: 21:45 - 04:35. Nautical Dark: 22:42 - 03:36. Astro Dark: 00:13 - 02:02

Total Clouds (% Sky Obscured)

3
3
3
100
100
100
100
100
100
98
98
98
98
98
98
95
95
95
95
95
95
29
29
29

Low Clouds (% Sky Obscured)

0
0
0
12
12
12
12
12
12
84
84
84
84
84
84
82
82
82
82
82
82
17
17
17

Medium Clouds (% Sky Obscured)

0
0
0
99
99
99
99
99
99
84
84
84
84
84
84
2
2
2
2
2
2
23
23
23

High Clouds (% Sky Obscured)

2
2
2
98
98
98
98
98
98
82
82
82
82
82
82
74
74
74
74
74
74
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
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
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 (%)

8
6
7
10
10
6
6
8
13
23
22
18
15
13
14
6
6
13
25
25
25
13
25
12

Precipitation Amount (mm)

0.04
0.04
0.05
0.06
0.08
0.1
0.11
0.11
0.14
0.16
0.17
0.14
0.12
0.08
0.07
0.02
0.02
0.06
0.12
0.13
0.13
0.15
0.38
0.14

Wind Speed/Direction (mph)

6
6
6
7
9
11
13
15
17
16
18
20
21
21
20
16
16
17
18
18
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
6
8
11
13
13
14
14
14
14
13
12
12
12
12
12
12
12
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
97
95
88
81
81
82
84
81
80
81
85
89
89
88
89
91
91
94
94
93
91

Pressure (mb)

1023
1022
1022
1021
1020
1019
1019
1018
1018
1017
1017
1017
1016
1017
1017
1019
1018
1017
1016
1015
1014
1013
1011
1010

Ozone (du)

361
360
359
365
364
361
360
359
358
359
357
355
353
351
350
330
328
329
330
333
335
349
354
359

Friday 21

Waxing Gibbous 72%

14:21

03:44

04 Bad
05 Bad
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

Sun - Rise: 05:16, Set: 21:05, Transit: 13:10. Moon - Rise: 14:21, Set: 03:44. Civil Dark: 21:46 - 04:34. Nautical Dark: 22:44 - 03:34. Astro Dark: 00:18 - 01:57

Total Clouds (% Sky Obscured)

29
29
29
31
31
31
31
31
31
88
88
88
88
88
88
100
100
100
100
100
100
41
41
41

Low Clouds (% Sky Obscured)

17
17
17
12
12
12
12
12
12
81
81
81
81
81
81
99
99
99
99
99
99
31
31
31

Medium Clouds (% Sky Obscured)

23
23
23
27
27
27
27
27
27
77
77
77
77
77
77
92
92
92
92
92
92
27
27
27

High Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
11
11
11
11
11
11
6
6
6
6
6
6
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
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 (%)

14
14
15
21
16
13
15
24
34
41
49
46
47
44
39
39
39
44
47
48
46
46
49
53

Precipitation Amount (mm)

0.18
0.11
0.12
0.13
0.1
0.1
0.12
0.19
0.24
0.26
0.29
0.21
0.21
0.18
0.19
0.24
0.23
0.21
0.2
0.18
0.16
0.15
0.16
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
94
97
95
89
85
85
88
91
93
91
90
89
89
83
85
88
90
91
92
93
94
95

Pressure (mb)

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

Ozone (du)

364
368
374
372
374
374
369
368
370
365
366
366
366
368
371
372
371
370
369
369
370
370
370
369

Saturday 22

Waxing Gibbous 82%

15:43

04:02

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

Sun - Rise: 05:15, Set: 21:06, Transit: 13:10. Moon - Rise: 15:43, Set: 04:02. Civil Dark: 21:48 - 04:33. Nautical Dark: 22:46 - 03:32. Astro Dark: 00:24 - 01:50

Total Clouds (% Sky Obscured)

41
41
41
89
89
89
89
89
89
36
36
36
36
36
36
20
20
20
20
20
20
2
2
2

Low Clouds (% Sky Obscured)

31
31
31
88
88
88
88
88
88
13
13
13
13
13
13
20
20
20
20
20
20
1
1
1

Medium Clouds (% Sky Obscured)

27
27
27
24
24
24
24
24
24
33
33
33
33
33
33
5
5
5
5
5
5
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
0
2
2
2

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
None
None
None
None
None

Precipitation Probability (%)

55
51
46
39
30
21
17
13
12
17
27
35
41
44
46
43
33
15
6
0
0
0
0
5

Precipitation Amount (mm)

0.21
0.19
0.16
0.13
0.11
0.09
0.08
0.07
0.08
0.1
0.11
0.13
0.16
0.2
0.25
0.25
0.14
0.04
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

24
24
25
25
26
26
26
26
26
26
25
25
24
23
22
21
19
17
16
14
13
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
93
92
88
85
82
80
80
81
83
85
83
81
79
81
85
88
89
91
92
93
94

Pressure (mb)

999
999
999
1000
1000
1001
1001
1001
1002
1002
1002
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007

Ozone (du)

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

Sunday 23

Waxing Gibbous 90%

17:07

04:02

04 Good
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

Sun - Rise: 05:14, Set: 21:07, Transit: 13:10. Moon - Rise: 17:07, Set: 04:02. Civil Dark: 21:49 - 04:31. Nautical Dark: 22:48 - 03:31. Astro Dark: 00:31 - 01:43

Total Clouds (% Sky Obscured)

2
2
2
98
98
98
98
98
98
92
92
92
92
92
92
97
97
97
97
97
97
95
95
95

Low Clouds (% Sky Obscured)

1
1
1
8
8
8
8
8
8
32
32
32
32
32
32
17
17
17
17
17
17
4
4
4

Medium Clouds (% Sky Obscured)

1
1
1
10
10
10
10
10
10
73
73
73
73
73
73
26
26
26
26
26
26
2
2
2

High Clouds (% Sky Obscured)

2
2
2
98
98
98
98
98
98
81
81
81
81
81
81
96
96
96
96
96
96
95
95
95

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
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
Very Light Rain

Precipitation Probability (%)

6
5
4
4
3
4
5
5
4
3
3
4
5
4
3
3
3
3
5
10
18
23
21
12

Precipitation Amount (mm)

0.01
0.02
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.05
0.07
0.05
0.02
0.01
0.01
0.03
0.06
0.12
0.28
0.39
0.26
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
92
88
82
77
74
72
69
65
63
64
67
71
74
79
84
90
94
99
100
100
100

Pressure (mb)

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

Ozone (du)

369
370
371
372
374
375
377
378
379
379
378
376
375
377
379
380
378
375
371
368
365
362
359
357

Welcome to Clear Outside

Forecast for FLO HQ, Exeter, Devon, UK (50.70,-3.52)

Generated: 17/05/21 04:14:29. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00