Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 93%

21:44

07:15

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

Sun - Rise: 05:42, Set: 19:41, Transit: 12:42. Moon - Rise: 21:44, Set: 07:15. Civil Dark: 20:09 - 05:14. Nautical Dark: 20:43 - 04:40. Astro Dark: 21:18 - 04:04

Total Clouds (% Sky Obscured)

99
98
31
21
52
32
27
8
11
2
6
2
1
4
1
28
87
34
50
91
91
83
84
83

Low Clouds (% Sky Obscured)

99
98
20
20
49
31
27
7
10
2
6
2
1
4
1
27
87
34
50
81
89
81
84
83

Medium Clouds (% Sky Obscured)

22
9
26
6
23
6
1
1
2
1
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
0
1
0
0
0
52
13
8
0
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
21
9
6
3
4
5
4
3
3
2
2
1
2
3
3
3
3
3
3
3
4
5

Precipitation Amount (mm)

0
0
0.12
0.37
0.18
0.03
0.1
0.24
0.14
0.14
0.12
0.07
0.08
0.08
0.09
0.1
0.1
0.09
0.09
0.09
0.1
0.1
0.1
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
4
4
4
5
6
7
8
10
11
10
10
9
8
7
6
6
6
6
6
6
6
6

Feels Like (°C)

-1
-2
-2
-1
-1
-0
1
3
5
6
11
10
6
5
4
2
2
1
1
1
1
2
2
1

Dew Point (°C)

3
3
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

98
99
100
100
100
96
90
85
79
72
67
68
70
75
82
89
92
95
96
96
95
94
95
97

Pressure (mb)

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

Ozone (du)

410
421
435
443
440
430
420
410
400
390
380
371
363
357
353
350
347
345
343
340
336
332
329
326

Tuesday 21

Waning Gibbous 87%

22:39

08:04

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: 05:41, Set: 19:42, Transit: 12:42. Moon - Rise: 22:39, Set: 08:04. Civil Dark: 20:10 - 05:14. Nautical Dark: 20:43 - 04:39. Astro Dark: 21:19 - 04:03

Total Clouds (% Sky Obscured)

70
75
90
83
89
81
84
66
81
95
97
99
98
99
100
100
95
98
98
62
81
98
100
99

Low Clouds (% Sky Obscured)

67
59
87
73
73
78
77
39
70
88
93
97
94
98
99
100
95
98
98
62
81
98
100
99

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
2
6

High Clouds (% Sky Obscured)

5
40
26
38
56
8
34
45
34
63
49
41
41
38
34
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
8
8
8
8

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.1
0.12
0.15
0.17
0.17
0.15
0.14
0.14
0.16
0.18
0.23
0.3
0.37
0.41
0.43
0.46
0.5
0.54
0.55
0.5
0.42
0.35
0.3
0.26

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
2
2
3
3
4
5
6
5
4
3
3
2
1
1
1
1
1
0
0
0
0

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
97
90
86
81
76
73
76
81
87
87
90
91
94
98
100
100
100
100
100
100

Pressure (mb)

1011
1011
1012
1012
1011
1011
1011
1010
1010
1009
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005

Ozone (du)

324
323
322
321
320
319
318
318
319
319
318
317
317
317
318
320
322
324
327
328
330
332
336
341

Wednesday 22

Waning Gibbous 79%

23:28

08:56

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

Sun - Rise: 05:41, Set: 19:43, Transit: 12:42. Moon - Rise: 23:28, Set: 08:56. Civil Dark: 20:11 - 05:13. Nautical Dark: 20:44 - 04:39. Astro Dark: 21:20 - 04:02

Total Clouds (% Sky Obscured)

98
77
72
41
59
50
70
68
62
45
53
30
48
64
26
17
25
23
34
34
34
34
34
34

Low Clouds (% Sky Obscured)

98
55
66
37
52
41
61
63
56
34
5
9
2
5
18
16
25
22
34
34
34
34
34
34

Medium Clouds (% Sky Obscured)

27
37
16
24
33
28
44
26
21
16
51
25
42
27
9
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
51
16
0
0
0
0
0
2
9
8
10
34
61
2
1
0
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
8
9
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
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
13
11
12
11
6
3
3
4
4
5
6
6
4
3
3
2
1
1
1
2
2
3
4

Precipitation Amount (mm)

0.23
0.23
0.23
0.2
0.13
0.06
0.03
0.03
0.04
0.06
0.07
0.07
0.07
0.06
0.04
0.03
0.02
0.01
0.01
0.01
0.03
0.06
0.08
0.1

Wind Speed/Direction (mph)

16
16
15
16
16
15
15
15
15
15
14
16
18
17
16
15
14
14
14
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-0
-1
-1
-0
0
1
2
4
5
6
6
5
4
3
2
2
1
2
2
2
2
2
2

Dew Point (°C)

5
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
6
5
5

Relative Humidity (%)

100
100
100
100
100
96
91
88
82
78
74
75
79
85
89
95
97
98
99
99
100
99
99
98

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1011
1010
1010
1010
1011

Ozone (du)

346
352
359
368
382
399
413
424
432
437
436
431
426
424
421
420
419
419
419
420
422
421
416
409

Thursday 23

Waning Gibbous 76%

00:13

09:50

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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: 05:40, Set: 19:44, Transit: 12:42. Moon - Rise: 00:13, Set: 09:50. Civil Dark: 20:11 - 05:13. Nautical Dark: 20:45 - 04:38. Astro Dark: 21:21 - 04:02

Total Clouds (% Sky Obscured)

70
70
70
70
70
70
31
31
31
31
31
31
3
3
3
3
3
3
15
15
15
15
15
15

Low Clouds (% Sky Obscured)

70
70
70
70
70
70
21
21
21
21
21
21
3
3
3
3
3
3
14
14
14
14
14
14

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
13
13
13
13
13
13
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
5
6
5
4
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.12
0.11
0.1
0.08
0.07
0.06
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
10
9
8
8
4
5
5
5
6
6
5
5
5
5
4
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

5
5
6
7
7
8
9
11
13
14
15
16
15
14
13
12
10
10
9
9
9
9
9
9

Feels Like (°C)

2
2
3
3
5
6
7
11
13
14
15
16
15
14
13
12
10
9
8
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
93
87
83
67
61
56
52
50
52
56
62
69
76
80
84
83
81
79
79
80

Pressure (mb)

1011
1011
1012
1012
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

403
399
395
393
393
384
383
376
367
360
354
350
348
348
350
352
354
356
357
354
350
347
344
342

Friday 24

Waning Gibbous 70%

00:52

10:44

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

Sun - Rise: 05:40, Set: 19:44, Transit: 12:42. Moon - Rise: 00:52, Set: 10:44. Civil Dark: 20:12 - 05:12. Nautical Dark: 20:46 - 04:37. Astro Dark: 21:22 - 04:01

Total Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
1
1
1
15
15
15
15
15
15
20
20
20
20
20
20

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
20
20
20
20
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
15
15
15
15
15
15
1
1
1
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
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
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
10
11
12
14
15
16
17
18
19
19
19
17
16
14
13
12
11
10
10
10
11
10

Feels Like (°C)

7
8
9
11
12
14
15
16
17
18
19
19
19
17
16
14
13
12
11
10
10
10
11
10

Dew Point (°C)

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

Relative Humidity (%)

83
82
78
71
65
57
51
47
43
39
37
36
38
43
49
58
68
78
86
87
85
81
79
79

Pressure (mb)

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

Ozone (du)

341
340
339
339
338
337
338
342
348
352
351
347
344
342
342
341
340
339
339
339
338
338
338
339

Saturday 25

Waning Gibbous 61%

01:27

11:39

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

Sun - Rise: 05:39, Set: 19:45, Transit: 12:42. Moon - Rise: 01:27, Set: 11:39. Civil Dark: 20:13 - 05:11. Nautical Dark: 20:47 - 04:37. Astro Dark: 21:23 - 04:00

Total Clouds (% Sky Obscured)

18
18
18
18
18
18
5
5
5
5
5
5
8
8
8
8
8
8
64
64
64
64
64
64

Low Clouds (% Sky Obscured)

18
18
18
18
18
18
1
1
1
1
1
1
6
6
6
6
6
6
64
64
64
64
64
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
5
5
5
5
5
5
5
5
5
5
5
5
0
0
0
0
0
0

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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
8

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
1
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
0.02
0.03
0.02
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
4
2
2
2
1
1
2
4
6
6
6
6
7
7
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

10
11
11
13
14
16
17
18
19
20
20
20
19
18
16
15
14
12
11
11
10
10
9
9

Feels Like (°C)

10
11
11
13
14
16
17
18
19
20
20
20
19
18
16
15
14
12
11
11
10
8
8
7

Dew Point (°C)

7
7
8
8
8
7
6
5
5
5
5
5
5
5
6
6
7
7
7
7
7
7
7
7

Relative Humidity (%)

80
80
79
74
65
54
47
43
40
37
36
36
38
43
49
55
62
69
76
80
82
83
84
87

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1010
1010
1011
1011
1010
1010
1010
1010

Ozone (du)

339
341
343
344
345
344
344
344
345
346
348
350
353
357
361
363
361
357
352
349
346
343
341
338

Sunday 26

Third Quarter 51%

02:00

12:34

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

Sun - Rise: 05:39, Set: 19:45, Transit: 12:42. Moon - Rise: 02:00, Set: 12:34. Civil Dark: 20:13 - 05:11. Nautical Dark: 20:47 - 04:36. Astro Dark: 21:24 - 04:00

Total Clouds (% Sky Obscured)

87
87
87
87
87
87
19
19
19
19
19
19
38
38
38
38
38
38
86
86
86
86
86
86

Low Clouds (% Sky Obscured)

87
87
87
87
87
87
19
19
19
19
19
19
33
33
33
33
33
33
86
86
86
86
86
86

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
16
16
16
16
16
16
0
0
0
0
0
0

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)

7
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
1
1
2
3
3
2
1
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.03
0.03
0.02
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
7
10
11
12
13
14
14
14
14
13
11
7
6
5
5
4
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
88
84
79
74
66
58
53
53
54
58
64
71
77
81
85
88
89
88
85
81
79

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1010
1010
1011
1011
1012
1012
1011
1011
1012
1012

Ozone (du)

337
337
339
340
340
340
341
341
342
342
341
340
339
337
335
333
332
330
329
328
327
327
326
326

Forecast for California, USA (33.03,-116.39)

Generated: 20/05/19 05:05:07. Forecast: 20/05/19 to 26/05/19. Timezone: UTC-7.00