Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waxing Crescent 36%

13:08

21:51

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

Sun - Rise: 05:51, Set: 20:16, Transit: 13:04. Moon - Rise: 13:08, Set: 21:51. Civil Dark: 20:53 - 05:14. Nautical Dark: 21:40 - 04:27. Astro Dark: 22:35 - 03:32

Total Clouds (% Sky Obscured)

100
0
16
16
80
55
80
80
100
100
100
80
77
53
73
41
0
2
0
39
16
55
35
49

Low Clouds (% Sky Obscured)

57
3
48
84
87
91
54
75
91
85
52
52
35
33
19
16
20
19
14
17
94
20
11
19

Medium Clouds (% Sky Obscured)

84
42
87
87
50
73
77
88
93
93
100
94
93
98
93
100
85
90
94
90
96
100
91
49

High Clouds (% Sky Obscured)

59
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
94
85
81
83
64
49

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
91

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
20
20
18
18
18
18
19
20
20
20
21
22
22
24
24
24
24
22
22
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

67
68
65
67
73
80
82
78
80
82
78
75
63
59
55
50
49
51
50
50
51
55
56
52

Pressure (mb)

1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1012
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1010
1010
1009

Ozone (du)

300
301
302
303
306
304
305
308
306
306
304
304
303
302
297
294
291
289
288
288
288
289
290
291

Wednesday 19

Waxing Crescent 46%

14:23

22:12

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
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Good
23 Good

Sun - Rise: 05:53, Set: 20:14, Transit: 13:03. Moon - Rise: 14:23, Set: 22:12. Civil Dark: 20:51 - 05:16. Nautical Dark: 21:38 - 04:29. Astro Dark: 22:32 - 03:35

Total Clouds (% Sky Obscured)

60
69
76
100
100
100
100
100
97
100
74
72
57
51
52
75
89
84
72
70
74
25
2
5

Low Clouds (% Sky Obscured)

22
68
76
85
86
88
83
82
81
56
65
35
36
17
49
75
82
78
72
68
74
21
2
3

Medium Clouds (% Sky Obscured)

60
69
76
100
100
98
96
35
21
19
13
15
24
22
11
6
30
12
1
6
2
0
0
0

High Clouds (% Sky Obscured)

60
57
76
100
100
100
100
100
88
100
44
14
0
2
0
0
0
29
2
12
0
0
0
0

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

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

Precipitation Probability (%)

95
95
52
55
34
25
32
7
11
9
3
1
1
18
22
34
69
65
80
81
33
2
0
0

Precipitation Amount (mm)

0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.5
0.6
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
9
10
11
12
12
12
12
12
12
10
9
7
6
5
6
7
7
7
6
6
7
7

Relative Humidity (%)

50
49
53
57
65
72
73
75
72
70
62
51
41
36
32
30
32
35
36
40
38
42
45
50

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

293
294
295
294
295
298
301
304
305
305
307
312
315
318
320
322
322
328
341
334
329
333
331
336

Thursday 20

First Quarter 56%

15:36

22:41

00 Good
01 Good
02 Good
03 OK
04 OK
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

Sun - Rise: 05:54, Set: 20:12, Transit: 13:03. Moon - Rise: 15:36, Set: 22:41. Civil Dark: 20:49 - 05:18. Nautical Dark: 21:35 - 04:31. Astro Dark: 22:29 - 03:38

Total Clouds (% Sky Obscured)

0
0
2
23
40
64
80
79
65
52
49
68
73
66
84
81
72
79
73
71
80
61
76
91

Low Clouds (% Sky Obscured)

0
0
2
21
35
49
70
66
63
46
22
38
66
66
53
79
72
78
73
71
80
61
76
90

Medium Clouds (% Sky Obscured)

0
0
0
0
6
31
32
63
45
3
16
22
17
11
38
13
4
20
20
22
24
0
21
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
51
3
10
0
0
0
0
0
0
0

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

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

Precipitation Probability (%)

0
0
0
0
2
4
4
3
2
5
12
18
28
31
70
63
63
50
51
44
37
28
19
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0.3
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
62
67
73
75
76
76
76
69
61
52
45
41
41
44
37
44
46
41
45
51
60
67
67

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1005
1005
1005
1005
1005
1004
1004
1005
1005
1005
1005
1005
1006
1006
1007
1008
1008

Ozone (du)

339
340
337
339
340
341
342
343
345
346
346
344
344
343
342
342
340
340
341
340
338
337
338
336

Friday 21

Waxing Gibbous 66%

16:41

23:19

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK

Sun - Rise: 05:56, Set: 20:10, Transit: 13:03. Moon - Rise: 16:41, Set: 23:19. Civil Dark: 20:46 - 05:19. Nautical Dark: 21:32 - 04:34. Astro Dark: 22:25 - 03:40

Total Clouds (% Sky Obscured)

86
82
88
90
92
88
94
95
95
94
94
93
97
91
88
72
83
81
96
82
64
45
41
23

Low Clouds (% Sky Obscured)

85
77
83
83
81
73
75
72
80
65
63
63
64
51
60
67
66
78
79
79
64
15
13
11

Medium Clouds (% Sky Obscured)

11
17
17
18
16
19
22
63
61
30
37
67
75
70
35
19
29
22
24
18
8
8
20
4

High Clouds (% Sky Obscured)

1
13
11
24
23
25
25
25
30
32
27
30
30
30
35
36
0
0
43
27
18
18
19
7

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

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 (%)

17
0
0
0
4
0
0
0
0
0
0
3
10
17
9
14
11
15
16
20
22
20
12
5

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)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
14
14
14
14
15
16
17
18
18
19
20
20
20
20
19
18
17
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
67
68
73
74
72
72
71
68
60
53
46
43
42
42
42
40
39
39
39
43
49
55

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016

Ozone (du)

335
334
335
336
337
339
340
340
338
338
339
340
342
343
342
344
347
348
348
348
348
350
350
350

Saturday 22

Waxing Gibbous 75%

17:36

No Set

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

Sun - Rise: 05:57, Set: 20:08, Transit: 13:03. Moon - Rise: 17:36, Set: No Set. Civil Dark: 20:44 - 05:21. Nautical Dark: 21:30 - 04:36. Astro Dark: 22:22 - 03:43

Total Clouds (% Sky Obscured)

20
26
30
62
64
61
64
74
85
83
68
60
55
65
87
85
86
82
71
75
65
40
46
49

Low Clouds (% Sky Obscured)

9
12
14
21
25
26
29
34
38
42
37
27
24
34
62
65
73
73
65
66
55
31
46
49

Medium Clouds (% Sky Obscured)

7
9
4
4
2
6
5
6
7
12
14
18
19
18
17
15
15
14
17
13
10
5
3
2

High Clouds (% Sky Obscured)

9
9
9
46
51
44
46
56
75
62
27
14
2
1
0
0
0
0
0
0
0
0
2
2

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

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
2
2
2
2
1
0
1
0
0
1
1
0
2
2
1
5
6
5
4
2
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)

6
5
5
4
4
5
5
5
6
6
7
6
6
6
7
9
9
7
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
12
11
13
15
17
18
19
20
21
21
20
20
19
19
18
17
16
16

Feels Like (°C)

13
14
13
13
11
10
10
10
11
13
14
17
17
19
19
17
17
17
17
17
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

62
68
69
71
72
73
75
72
62
52
40
36
32
29
29
30
32
33
34
35
39
45
55
57

Pressure (mb)

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

Ozone (du)

351
352
352
353
353
353
352
352
353
353
353
354
355
355
355
354
355
355
355
355
354
353
352
350

Sunday 23

Waxing Gibbous 83%

18:19

00:11

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

Sun - Rise: 05:59, Set: 20:06, Transit: 13:02. Moon - Rise: 18:19, Set: 00:11. Civil Dark: 20:42 - 05:23. Nautical Dark: 21:27 - 04:38. Astro Dark: 22:19 - 03:46

Total Clouds (% Sky Obscured)

50
40
40
45
41
41
13
15
26
40
36
29
24
32
42
47
45
51
56
55
48
42
31
22

Low Clouds (% Sky Obscured)

50
40
40
45
41
41
13
10
16
22
17
8
7
7
6
5
19
33
48
55
48
42
31
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
5
7
10
10
5
5
8
6
4
3
2
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
0
0
0

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

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
5
1
2
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
58
56
55
56
56
56
58
53
48
45
39
34
32
30
27
25
27
29
32
38
46
56
54

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023

Ozone (du)

349
349
350
349
348
350
351
351
350
350
349
349
348
348
348
348
348
348
347
346
345
344
343
342

Monday 24

Waxing Gibbous 90%

18:50

01:14

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
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

Sun - Rise: 06:01, Set: 20:04, Transit: 13:02. Moon - Rise: 18:50, Set: 01:14. Civil Dark: 20:40 - 05:25. Nautical Dark: 21:25 - 04:40. Astro Dark: 22:16 - 03:49

Total Clouds (% Sky Obscured)

12
9
6
4
7
8
12
18
23
30
50
69
87
82
78
72
76
80
82
70
60
50
51
51

Low Clouds (% Sky Obscured)

12
9
6
4
5
5
5
10
15
19
41
64
85
78
76
71
76
80
82
70
60
50
47
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
13
5
5
3
3
3
0
0
0
2
6
10
13

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
0
0
0

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

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 (%)

4
2
0
0
0
0
0
6
6
2
10
5
1
2
1
0
0
0
0
0
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
5
5
5
5
5
5
5
6
7
7
6
5
5
5
5
6
6
7
7

Relative Humidity (%)

53
51
53
56
57
58
58
58
51
46
41
40
41
42
40
38
36
37
38
39
43
46
49
52

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

342
342
342
342
342
342
342
343
342
342
341
340
339
338
338
337
336
335
335
334
334
333
333
333

Forecast for Harringay, Greater London, United Kingdom (51.59,-0.10)

Generated: 18/08/26 23:48:22. Forecast: 18/08/26 to 24/08/26. Timezone: UTC+1.00