Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 25

Waxing Gibbous 86%

No Rise

04:07

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

Sun - Rise: 05:03, Set: 21:09, Transit: 13:07. Moon - Rise: No Rise, Set: 04:07. Civil Dark: 21:53 - 04:19. Nautical Dark: 22:56 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
99
90
2
2
7
6
2
2
9
50
41
51
87
100
79
96
100
100
81
87

Low Clouds (% Sky Obscured)

100
100
100
100
99
90
2
2
7
6
2
2
8
19
17
10
70
34
11
17
32
57
50
6

Medium Clouds (% Sky Obscured)

95
82
1
0
0
0
1
0
0
0
1
1
2
31
20
27
59
100
36
95
100
100
65
64

High Clouds (% Sky Obscured)

38
14
6
7
7
2
0
0
0
0
0
0
0
22
17
35
45
78
68
31
0
14
44
71

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
0
2
1
0
0
0
0
1
0
0
0
5
13
16
12
6
3
2
4
6
6
9
11

Precipitation Amount (mm)

0.02
0
0.02
0.01
0
0
0
0
0.01
0
0
0
0.04
0.21
0.36
0.24
0.08
0.03
0.02
0.05
0.08
0.08
0.21
0.36

Wind Speed/Direction (mph)

3
3
3
3
3
4
4
5
5
6
7
7
8
8
9
10
10
11
11
12
13
13
14
14

Chance of Frost

Temperature (°C)

15
16
16
16
15
15
14
13
13
13
13
14
14
14
14
15
15
16
17
18
19
20
21
22

Feels Like (°C)

15
16
16
16
15
15
14
13
13
13
13
14
14
14
14
15
15
16
17
18
19
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
80
82
84
85
85
85
85
83
82
83
87
91
93
90
87
84
82
80
78
76
73

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

359
360
362
363
363
362
361
359
357
355
352
351
352
353
354
353
352
349
346
343
340
338
337
336

Saturday 26

Waxing Gibbous 93%

17:36

04:31

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

Sun - Rise: 05:02, Set: 21:11, Transit: 13:07. Moon - Rise: 17:36, Set: 04:31. Civil Dark: 21:55 - 04:18. Nautical Dark: 22:58 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
73
26
98
100
100
100
100
100
100
100
100
99
99
95
69
73
88
100
98
100
100
99
88

Low Clouds (% Sky Obscured)

56
37
6
14
25
1
0
0
0
1
1
6
13
14
10
6
60
87
100
98
41
19
10
45

Medium Clouds (% Sky Obscured)

44
21
18
31
26
98
80
59
9
16
16
20
18
16
6
4
1
1
2
9
97
91
65
34

High Clouds (% Sky Obscured)

95
62
15
98
100
100
100
100
100
100
100
100
99
98
94
67
32
1
2
13
100
100
98
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

10
7
4
3
0
0
0
4
5
5
6
7
10
13
14
15
17
18
15
10
9
15
24
30

Precipitation Amount (mm)

0.28
0.13
0.05
0.02
0
0
0
0.02
0.03
0.03
0.03
0.06
0.13
0.26
0.37
0.43
0.61
0.75
0.5
0.19
0.15
0.46
1.31
2.25

Wind Speed/Direction (mph)

15
16
16
17
17
17
17
17
17
16
14
13
12
12
11
10
10
9
9
10
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
16
16
16
15
14
14
14
14
13
13
13
13
13
14
15
16
17
18
18
18
18
18
17

Relative Humidity (%)

70
68
67
67
68
69
71
74
77
78
77
76
77
82
88
93
93
92
90
88
87
87
87
87

Pressure (mb)

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

Ozone (du)

338
341
342
339
334
331
330
331
332
332
333
333
334
334
335
335
336
336
335
333
332
331
330
330

Sunday 27

Waxing Gibbous 97%

18:45

04:56

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

Sun - Rise: 05:01, Set: 21:12, Transit: 13:07. Moon - Rise: 18:45, Set: 04:56. Civil Dark: 21:56 - 04:17. Nautical Dark: 23:00 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
100
100
100
82
57
33
28
74
97
99
100
100
100
100
100
100
100
100
98
98
98
98

Low Clouds (% Sky Obscured)

51
26
97
98
98
49
34
20
23
73
97
99
100
100
100
100
100
100
100
100
98
98
98
98

Medium Clouds (% Sky Obscured)

55
75
63
93
94
54
41
13
6
8
2
2
3
4
5
5
5
5
5
5
8
8
8
8

High Clouds (% Sky Obscured)

95
100
97
83
84
51
17
10
6
7
10
3
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
6
4
3
2
2
6
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

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

Precipitation Probability (%)

31
30
28
24
19
13
9
7
5
6
9
10
8
6
3
0
0
0
0
0
0
4
7
8

Precipitation Amount (mm)

2.67
2.78
2.52
1.75
0.92
0.47
0.21
0.06
0.04
0.08
0.28
0.45
0.3
0.1
0.02
0
0
0
0
0
0
0.04
0.21
0.37

Wind Speed/Direction (mph)

6
6
6
6
6
5
5
5
4
3
1
1
1
2
3
4
4
4
5
5
6
6
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
18
18
17
16
15
15
14
14
13
13
13
13
14
14
15
16
16
17
17
17
18
18
18

Relative Humidity (%)

87
88
88
88
88
88
88
88
87
84
81
80
82
86
92
94
92
89
86
83
82
79
76
73

Pressure (mb)

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

Ozone (du)

331
332
334
337
340
342
342
342
342
342
342
343
345
348
350
351
352
352
350
347
344
341
337
334

Monday 28

Waxing Gibbous 100%

19:53

05:24

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 05:01, Set: 21:13, Transit: 13:07. Moon - Rise: 19:53, Set: 05:24. Civil Dark: 21:57 - 04:16. Nautical Dark: 23:02 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
57
57
57
57
57
57
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
98
23
23
23
23
23
23
0
0
0
0
0
0
100
100
100
100
100
100
65
65
65
65

Medium Clouds (% Sky Obscured)

8
8
0
0
0
0
0
0
1
1
1
1
1
1
2
2
2
2
2
2
83
83
83
83

High Clouds (% Sky Obscured)

0
0
47
47
47
47
47
47
97
97
97
97
97
97
84
84
84
84
84
84
98
98
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
9
10
11
11
11
10
10
12
15
18
21
21
21
20
17
14
11
11
10
10
10
11
11

Precipitation Amount (mm)

0.33
0.32
0.45
0.58
0.68
0.62
0.4
0.35
0.59
1.05
1.85
2.58
2.77
2.57
2.03
1.03
0.23
0.05
0.06
0.11
0.2
0.29
0.43
0.53

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
23
22
21
20
19
18
17
16
16
16
16
15
15
14
15
16
16
17
18
19
21
22

Feels Like (°C)

23
23
23
22
21
20
19
18
17
16
16
16
16
15
15
14
15
16
16
17
18
20
21
22

Dew Point (°C)

18
18
18
17
17
17
16
16
15
15
14
14
14
14
14
14
14
14
15
15
16
16
17
17

Relative Humidity (%)

72
72
74
77
80
84
86
89
91
90
89
87
87
90
94
96
95
92
90
88
86
83
79
77

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011

Ozone (du)

332
331
330
329
327
326
327
327
328
327
326
325
326
326
326
326
325
324
324
324
324
325
327
327

Tuesday 29

Full Moon 100%

20:58

05:57

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

Sun - Rise: 05:00, Set: 21:14, Transit: 13:07. Moon - Rise: 20:58, Set: 05:57. Civil Dark: 21:59 - 04:15. Nautical Dark: 23:04 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
84
84
84
84
84
84
13
13
13
13
13
13
34
34
34
34
34
34
65
65
65
65

Low Clouds (% Sky Obscured)

65
65
7
7
7
7
7
7
8
8
8
8
8
8
13
13
13
13
13
13
4
4
4
4

Medium Clouds (% Sky Obscured)

83
83
84
84
84
84
84
84
6
6
6
6
6
6
1
1
1
1
1
1
0
0
0
0

High Clouds (% Sky Obscured)

98
98
0
0
0
0
0
0
5
5
5
5
5
5
28
28
28
28
28
28
63
63
63
63

ISS Passover

Visibility (miles)

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

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
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.48
0.35
0.27
0.24
0.26
0.3
0.3
0.29
0.25
0.18
0.11
0.07
0.05
0.03
0.02
0.02
0.02
0.01
0.01
0.02
0.02
0.02
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
18
17
17
16
16
16
16
16
16
16
15
15
15
16
17
17
17
18
18
18

Feels Like (°C)

21
20
19
19
18
17
17
16
16
16
16
16
16
16
15
15
15
16
17
17
17
18
18
19

Dew Point (°C)

17
17
16
16
15
15
14
14
14
14
14
13
13
13
13
13
13
14
14
14
15
15
15
15

Relative Humidity (%)

78
82
85
86
86
86
87
88
89
88
86
84
83
85
89
90
88
85
84
84
84
84
84
82

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

327
326
326
325
325
325
327
330
332
333
333
333
334
335
336
336
335
335
334
333
333
332
332
332

Wednesday 30

Waning Gibbous 98%

21:58

06:36

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Good
02 Good
03 Good
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

Sun - Rise: 04:59, Set: 21:15, Transit: 13:08. Moon - Rise: 21:58, Set: 06:36. Civil Dark: 22:00 - 04:14. Nautical Dark: 23:06 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
65
77
77
77
77
77
77
11
11
11
11
11
11
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
4
10
10
10
10
10
10
11
11
11
11
11
11
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
63
75
75
75
75
75
75
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
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

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
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 (%)

6
6
6
6
6
7
7
7
7
6
0
0
0
0
0
0
6
6
6
6
6
6
7
7

Precipitation Amount (mm)

0.04
0.07
0.1
0.1
0.09
0.07
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0.02
0.05
0.08
0.11
0.15
0.2
0.26
0.34

Wind Speed/Direction (mph)

7
7
6
6
5
5
5
5
5
5
4
4
4
4
3
3
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

19
19
19
19
18
17
16
16
15
15
15
16
16
15
15
15
17
18
19
20
20
21
21
21

Feels Like (°C)

19
19
19
19
18
17
16
16
15
15
15
16
16
15
15
15
17
18
19
20
20
21
21
21

Dew Point (°C)

15
16
15
15
15
14
14
14
13
13
12
12
12
13
13
13
14
14
15
15
15
15
15
15

Relative Humidity (%)

81
79
79
80
82
83
85
86
87
85
82
80
81
84
89
88
84
79
75
72
70
69
68
69

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

332
332
332
331
331
330
331
331
332
331
330
328
327
326
325
324
323
322
322
322
322
321
321
320

Thursday 31

Waning Gibbous 94%

22:53

07:22

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

Sun - Rise: 04:58, Set: 21:16, Transit: 13:08. Moon - Rise: 22:53, Set: 07:22. Civil Dark: 22:02 - 04:13. Nautical Dark: 23:08 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
96
96
96
96
96
96
47
47
47
47
47
47
91
91
91
91
91
91
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
96
96
96
96
96
96
47
47
47
47
47
47
52
52
52
52
52
52
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
81
81
81
81
81
81
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
8
8
8
8
8
7
7
7
0
0
0
0
0
0
0
0
5
5
5
5
5
5
5

Precipitation Amount (mm)

0.43
0.52
0.56
0.51
0.39
0.26
0.12
0.03
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.03
0.03
0.04

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

21
20
20
19
18
17
17
16
15
15
15
15
15
15
14
15
16
18
19
20
21
21
22
22

Feels Like (°C)

21
20
20
19
18
17
17
16
15
15
15
15
15
15
14
15
16
18
19
20
21
21
22
22

Dew Point (°C)

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

Relative Humidity (%)

70
73
76
78
80
82
84
86
88
87
85
83
85
89
93
92
86
79
73
69
66
63
62
61

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

318
316
315
315
315
315
315
315
316
316
316
317
317
318
318
317
316
316
316
316
317
317
317
317

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

Generated: 25/05/18 17:33:55. Forecast: 25/05/18 to 31/05/18. Timezone: UTC+1.00