Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

Waning Gibbous 94%

22:26

09:11

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

Sun - Rise: 06:27, Set: 20:57, Transit: 13:42. Moon - Rise: 22:26, Set: 09:11. Civil Dark: 21:35 - 05:50. Nautical Dark: 22:22 - 05:02. Astro Dark: 23:20 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
98
90
4
7
4
6
16
23
6
2
3
10
23

Low Clouds (% Sky Obscured)

2
2
0
0
0
0
1
0
23
91
66
38
26
0
2
0
2
7
19
2
2
2
2
6

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
80
86
77
56
27
3
3
4
6
13
14
5
1
2
9
20

High Clouds (% Sky Obscured)

100
99
100
100
100
100
99
100
100
99
98
95
83
0
4
0
0
0
0
0
0
0
0
0

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

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
None
None
None
None
None
None
None

Precipitation Probability (%)

9
24
27
43
48
51
47
40
32
31
35
35
26
19
15
11
7
5
4
3
3
3
1
2

Precipitation Amount (mm)

0.01
0.12
0.11
0.27
0.45
0.45
0.31
0.21
0.15
0.16
0.22
0.24
0.16
0.09
0.07
0.06
0.04
0.02
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
89
88
91
93
92
90
88
89
88
85
79
74
71
68
67
68
71
73
75
78
80
82

Pressure (mb)

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

Ozone (du)

298
298
298
297
297
297
297
297
299
302
307
311
315
319
322
325
328
331
333
335
336
338
339
340

Monday 19

Waning Gibbous 89%

22:43

10:17

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

Sun - Rise: 06:29, Set: 20:55, Transit: 13:42. Moon - Rise: 22:43, Set: 10:17. Civil Dark: 21:32 - 05:52. Nautical Dark: 22:20 - 05:04. Astro Dark: 23:16 - 04:08

Total Clouds (% Sky Obscured)

30
43
51
45
41
38
19
39
39
34
35
41
34
43
57
45
41
87
38
97
99
97
44
53

Low Clouds (% Sky Obscured)

13
16
31
20
19
8
8
38
30
18
12
9
16
13
18
22
22
20
7
4
6
13
4
3

Medium Clouds (% Sky Obscured)

23
35
37
36
38
37
16
6
31
28
31
38
30
42
53
41
20
17
9
11
4
7
9
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
81
29
97
99
97
37
48

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
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
None
None
None
None
None
None
None

Precipitation Probability (%)

4
8
10
10
10
9
9
8
7
6
6
6
5
4
3
3
3
3
2
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.02
0.04
0.05
0.05
0.04
0.03
0.03
0.03
0.03
0.04
0.05
0.04
0.02
0.02
0.02
0.02
0.03
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
86
87
88
88
84
77
71
66
64
61
58
54
52
52
55
59
64
68
72
75
78
81

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

339
338
337
338
340
340
339
337
335
333
330
329
328
328
328
329
330
331
332
333
333
334
335
335

Tuesday 20

Waning Gibbous 82%

23:00

11:23

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

Sun - Rise: 06:31, Set: 20:53, Transit: 13:42. Moon - Rise: 23:00, Set: 11:23. Civil Dark: 21:30 - 05:53. Nautical Dark: 22:17 - 05:06. Astro Dark: 23:13 - 04:11

Total Clouds (% Sky Obscured)

94
82
38
96
87
56
37
42
80
47
50
38
35
31
22
18
16
9
9
9
9
9
9
3

Low Clouds (% Sky Obscured)

8
13
5
5
2
4
6
9
21
42
37
12
13
10
4
6
6
6
6
6
6
6
6
2

Medium Clouds (% Sky Obscured)

6
17
27
26
19
13
11
6
7
22
34
38
33
30
20
15
15
7
7
7
7
7
7
2

High Clouds (% Sky Obscured)

93
77
14
95
84
48
30
35
74
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
4
0
0
1
1
1
2
2
3
3
2
0
0
0
0
2
2
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
9
8
8
8
8
9
9
9
9
9
10
10
10
9
8
6
5
5
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
11
11
12
12
11
11
11
11
11
10
9
9
9
10
9
9
9
9
9

Relative Humidity (%)

83
85
87
90
92
92
86
76
67
62
60
58
55
53
52
52
55
59
65
71
75
78
81
83

Pressure (mb)

1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1025
1026
1026
1026
1026
1026

Ozone (du)

336
336
336
336
336
337
338
340
341
341
341
340
340
339
338
337
336
335
336
337
337
337
336
336

Wednesday 21

Waning Gibbous 74%

23:19

12:31

03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
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

Sun - Rise: 06:32, Set: 20:51, Transit: 13:41. Moon - Rise: 23:19, Set: 12:31. Civil Dark: 21:28 - 05:55. Nautical Dark: 22:14 - 05:08. Astro Dark: 23:09 - 04:14

Total Clouds (% Sky Obscured)

3
3
3
3
3
1
1
1
1
1
1
100
100
100
100
100
100
51
51
51
51
51
51
74

Low Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
64
64
64
64
64
64
6
6
6
6
6
6
0

Medium Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
9
9
9
9
9
9
51
51
51
51
51
51
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
0
0
0
0
0
0
73

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
11
13
15
17
18
19
20
21
21
21
21
20
19
17
16
15
14
13
12

Feels Like (°C)

11
11
10
10
10
11
13
15
17
18
19
20
21
21
21
21
20
19
17
16
15
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

84
85
86
91
94
93
90
83
75
69
63
59
53
51
50
51
56
61
67
70
72
76
80
82

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

335
334
332
329
324
321
320
320
320
319
319
320
322
325
327
327
325
324
322
321
320
319
319
320

Thursday 22

Waning Gibbous 64%

23:40

13:40

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 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 Bad

Sun - Rise: 06:34, Set: 20:49, Transit: 13:41. Moon - Rise: 23:40, Set: 13:40. Civil Dark: 21:25 - 05:57. Nautical Dark: 22:12 - 05:11. Astro Dark: 23:06 - 04:17

Total Clouds (% Sky Obscured)

74
74
74
74
74
96
96
96
96
96
96
81
81
81
81
81
81
27
27
27
27
27
27
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
58
58
58
58
58
58
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

73
73
73
73
73
96
96
96
96
96
96
55
55
55
55
55
55
27
27
27
27
27
27
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

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
12
14
16
18
20
21
22
23
23
22
21
20
19
18
17
16
15
14
14

Feels Like (°C)

12
12
11
11
11
12
14
16
18
20
21
22
23
23
22
21
20
19
18
17
16
15
14
14

Dew Point (°C)

9
9
9
9
10
11
11
12
12
12
12
12
12
12
12
12
11
12
12
12
12
11
11
11

Relative Humidity (%)

84
84
86
90
92
91
85
75
66
61
58
55
52
52
52
53
58
62
68
73
77
79
82
84

Pressure (mb)

1027
1026
1026
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

320
321
321
320
318
316
314
312
310
309
309
308
308
308
308
308
308
307
306
305
304
305
305
306

Friday 23

Third Quarter 54%

00:07

14:50

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

Sun - Rise: 06:36, Set: 20:46, Transit: 13:41. Moon - Rise: 00:07, Set: 14:50. Civil Dark: 21:23 - 05:59. Nautical Dark: 22:09 - 05:13. Astro Dark: 23:02 - 04:19

Total Clouds (% Sky Obscured)

95
95
95
95
95
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
23

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)

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)

95
95
95
95
95
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
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
2
2
2
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
95
96
95
90
83
75
70
64
59
56
54
55
56
61
65
69
71
73
75
77
78

Pressure (mb)

1026
1025
1025
1025
1026
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

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

Saturday 24

Waning Crescent 44%

00:40

16:01

03 OK
04 OK
05 OK
06 OK
07 OK
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 Good
01 Good
02 Good

Sun - Rise: 06:37, Set: 20:44, Transit: 13:41. Moon - Rise: 00:40, Set: 16:01. Civil Dark: 21:21 - 06:01. Nautical Dark: 22:06 - 05:15. Astro Dark: 22:59 - 04:22

Total Clouds (% Sky Obscured)

23
23
23
23
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6

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)

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)

23
23
23
23
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6

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
0
1
2
1
1
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
80
85
88
88
84
76
72
67
62
58
55
53
53
56
59
63
67
70
72
74
75
76

Pressure (mb)

1023
1022
1021
1021
1022
1022
1022
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1015

Ozone (du)

303
302
302
302
302
302
301
301
301
302
302
303
302
302
301
300
299
298
298
298
297
297
296
296

Forecast for Utrecht, Utrecht, NL (52.13,5.29)

Generated: 18/08/19 03:01:41. Forecast: 18/08/19 to 24/08/19. Timezone: UTC+2.00