Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waning Crescent 44%

00:08

15:22

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

Sun - Rise: 06:03, Set: 20:06, Transit: 13:04. Moon - Rise: 00:08, Set: 15:22. Civil Dark: 20:41 - 05:27. Nautical Dark: 21:26 - 04:45. Astro Dark: 22:16 - 03:55

Total Clouds (% Sky Obscured)

68
58
48
88
87
66
76
88
88
89
88
70
62
65
75
70
55
15
63
22
11
24
95
98

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
3
2
0
1
2
0
2
0
0

High Clouds (% Sky Obscured)

68
58
48
88
87
66
76
88
88
89
88
70
62
65
74
70
55
15
63
21
11
24
95
98

ISS Passover

Visibility (miles)

6
7
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

Precipitation Type

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

Precipitation Probability (%)

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 Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
3
4
4
5
6
6
7
7
7
6
5
4
4
4
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

11
11
11
13
16
20
23
25
26
27
27
27
27
26
25
23
20
19
18
17
17
16
16
16

Feels Like (°C)

11
11
11
13
16
20
23
25
26
27
28
27
27
26
25
23
20
19
18
17
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
95
85
73
65
58
53
50
49
50
51
54
59
62
65
68
71
73
74
76
78
80

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

307
306
306
306
306
306
305
304
304
304
304
304
304
303
303
303
303
302
302
302
302
302
302
302

Sunday 25

Waning Crescent 33%

00:53

16:31

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

Sun - Rise: 06:04, Set: 20:03, Transit: 13:04. Moon - Rise: 00:53, Set: 16:31. Civil Dark: 20:39 - 05:29. Nautical Dark: 21:23 - 04:47. Astro Dark: 22:13 - 03:57

Total Clouds (% Sky Obscured)

93
88
53
44
38
29
31
22
19
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low 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

Medium Clouds (% Sky Obscured)

2
38
47
31
27
21
31
22
19
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

93
82
26
25
20
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

4
4
4
5
5
6
6
7
7
8
8
8
8
7
6
5
5
4
3
3
2
2
1
1

Chance of Frost

Temperature (°C)

15
14
15
17
20
24
26
28
29
30
30
30
29
27
26
23
21
19
18
17
16
16
15
15

Feels Like (°C)

15
14
15
17
21
24
26
28
30
31
31
30
29
28
26
23
21
19
18
17
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

84
92
96
91
78
69
62
56
51
48
47
48
50
53
58
63
68
72
75
78
80
83
85
87

Pressure (mb)

1016
1016
1016
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

302
301
301
301
301
301
301
300
300
300
300
300
299
299
298
297
297
297
296
295
294
293
293
292

Monday 26

Waning Crescent 22%

01:49

17:35

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

Sun - Rise: 06:06, Set: 20:01, Transit: 13:04. Moon - Rise: 01:49, Set: 17:35. Civil Dark: 20:37 - 05:31. Nautical Dark: 21:21 - 04:49. Astro Dark: 22:10 - 04:00

Total Clouds (% Sky Obscured)

0
1
40
1
0
0
0
0
0
0
0
0
38
58
0
0
0
0
0
0
15
15
15
15

Low Clouds (% Sky Obscured)

0
1
40
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
38
58
0
0
0
0
0
0
15
15
15
15

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
None
None
None
None

Precipitation Probability (%)

1
1
2
0
0
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
14
16
19
22
25
27
29
30
31
30
30
29
28
26
23
22
20
20
19
18
18
17

Feels Like (°C)

14
13
14
16
19
22
25
28
30
30
31
30
30
30
29
26
24
22
21
20
19
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

89
97
100
95
84
72
63
55
48
44
42
43
46
51
56
62
67
71
75
78
79
80
82
84

Pressure (mb)

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

Ozone (du)

292
292
293
293
293
293
293
293
293
292
292
291
292
292
293
293
294
295
295
295
295
297
300
301

Tuesday 27

Waning Crescent 13%

02:59

18:30

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

Sun - Rise: 06:07, Set: 19:59, Transit: 13:03. Moon - Rise: 02:59, Set: 18:30. Civil Dark: 20:34 - 05:32. Nautical Dark: 21:18 - 04:51. Astro Dark: 22:07 - 04:02

Total Clouds (% Sky Obscured)

15
15
3
3
3
3
3
3
93
93
93
93
93
93
13
13
13
13
13
13
23
23
23
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0

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)

15
15
3
3
3
3
3
3
93
93
93
93
93
93
13
13
13
13
13
13
23
23
23
23

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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
0
0
0
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

3
2
2
3
3
3
3
3
3
3
3
4
4
4
4
5
5
5
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

17
15
16
18
21
24
26
28
30
31
31
31
31
30
28
27
24
22
21
20
20
19
19
18

Feels Like (°C)

17
16
16
18
21
24
27
29
31
32
32
32
32
31
30
28
24
22
21
21
20
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

87
96
98
92
78
68
61
54
50
46
45
45
48
52
58
64
72
78
81
81
82
82
82
84

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

303
303
303
301
298
296
293
291
290
289
288
288
287
287
286
286
286
286
286
286
286
287
288
288

Wednesday 28

Waning Crescent 6%

04:19

19:16

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: 06:09, Set: 19:57, Transit: 13:03. Moon - Rise: 04:19, Set: 19:16. Civil Dark: 20:32 - 05:34. Nautical Dark: 21:15 - 04:52. Astro Dark: 22:04 - 04:04

Total Clouds (% Sky Obscured)

23
23
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
55
55
55
55

Low Clouds (% Sky Obscured)

0
0
100
100
100
100
100
100
0
0
0
0
0
0
2
2
2
2
2
2
31
31
31
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
26
26
26
26
26
26
10
10
10
10
10
10
13
13
13
13

High Clouds (% Sky Obscured)

23
23
2
2
2
2
2
2
100
100
100
100
100
100
98
98
98
98
98
98
27
27
27
27

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
100
100
100
100
100
100
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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
1
1
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
3
3
3
5
7
9
8
7
5
5
6
6
6
6
6
6
7
7

Chance of Frost

Temperature (°C)

17
15
15
17
20
22
25
26
28
29
29
29
28
27
26
25
23
21
20
20
20
19
19
18

Feels Like (°C)

17
16
15
17
20
23
25
27
29
30
30
30
29
28
27
25
23
21
20
20
20
19
19
18

Dew Point (°C)

15
15
15
15
16
17
18
18
18
18
19
19
19
18
18
17
16
16
16
16
16
15
14
14

Relative Humidity (%)

87
94
96
91
80
72
65
60
55
54
53
55
57
58
60
63
67
71
75
77
78
78
76
77

Pressure (mb)

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

Ozone (du)

288
289
289
289
290
290
291
292
293
293
294
295
295
295
296
295
295
295
296
298
299
300
301
302

Thursday 29

Waning Crescent 2%

No Rise

19:52

05 Bad
06 Bad
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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: 06:11, Set: 19:55, Transit: 13:03. Moon - Rise: No Rise, Set: 19:52. Civil Dark: 20:30 - 05:36. Nautical Dark: 21:13 - 04:54. Astro Dark: 22:01 - 04:07

Total Clouds (% Sky Obscured)

55
55
28
28
28
28
28
28
100
100
100
100
100
100
76
76
76
76
76
76
34
34
34
34

Low Clouds (% Sky Obscured)

31
31
28
28
28
28
28
28
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
13
1
1
1
1
1
1
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
27
0
0
0
0
0
0
4
4
4
4
4
4
76
76
76
76
76
76
34
34
34
34

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
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.03
0.03
0.02
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
7
8
8
8
9
9
9
9
9
8
7
6
5
4
4
4
5
5
5
4
3

Chance of Frost

Temperature (°C)

17
16
15
16
18
20
22
23
24
25
26
25
24
24
23
21
19
17
16
15
14
13
13
12

Feels Like (°C)

17
16
15
16
18
20
22
23
24
25
26
25
24
24
23
21
19
17
16
15
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

81
88
91
85
74
65
58
52
48
46
45
46
48
49
51
53
56
59
62
65
67
70
72
76

Pressure (mb)

1016
1016
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019

Ozone (du)

301
299
298
298
298
298
298
298
298
298
299
299
298
298
298
298
298
298
297
297
297
296
296
296

Friday 30

New Moon 0%

05:45

20:23

05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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: 06:12, Set: 19:53, Transit: 13:02. Moon - Rise: 05:45, Set: 20:23. Civil Dark: 20:27 - 05:37. Nautical Dark: 21:10 - 04:56. Astro Dark: 21:58 - 04:09

Total Clouds (% Sky Obscured)

34
34
23
23
23
23
23
23
100
100
100
100
100
100
98
98
98
98
98
98
96
96
96
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
99
99
99
99
99
99
61
61
61
61
61
61
2
2
2
2

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)

34
34
23
23
23
23
23
23
87
87
87
87
87
87
97
97
97
97
97
97
96
96
96
96

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
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
13
16
19
20
22
23
24
25
25
24
24
23
21
19
17
16
15
14
14
14
14

Feels Like (°C)

11
10
10
13
16
19
20
22
23
24
25
25
24
24
23
21
19
17
16
15
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

83
90
91
86
76
66
60
56
52
49
47
47
48
49
52
55
61
66
70
74
77
78
81
84

Pressure (mb)

1019
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1018
1018

Ozone (du)

296
297
298
297
296
296
295
295
295
294
293
292
291
291
291
291
291
291
291
290
289
289
288
288

Forecast for Guildford, Surrey, UK (51.24,-0.57)

Generated: 24/08/19 05:22:26. Forecast: 24/08/19 to 30/08/19. Timezone: UTC+1.00