Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waning Crescent 44%

00:11

15:15

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
05 Bad
06 Bad

Sun - Rise: 06:06, Set: 20:03, Transit: 13:04. Moon - Rise: 00:11, Set: 15:15. Civil Dark: 20:38 - 05:32. Nautical Dark: 21:21 - 04:49. Astro Dark: 22:09 - 04:02

Total Clouds (% Sky Obscured)

93
84
95
96
97
97
98
98
96
100
100
100
100
98
97
98
100
99
81
76
80
85
95
94

Low Clouds (% Sky Obscured)

13
15
20
11
13
11
10
17
29
99
7
13
10
9
13
20
2
14
10
11
13
10
13
15

Medium Clouds (% Sky Obscured)

19
1
1
6
20
15
20
15
24
41
9
5
6
3
16
16
77
17
36
27
15
3
2
2

High Clouds (% Sky Obscured)

91
81
93
96
96
96
98
98
95
100
100
100
100
97
96
98
99
99
77
71
77
84
95
93

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
3
3
4
4
3
2
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.03
0.06
0.09
0.13
0.14
0.08
0.02
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
18
20
23
24
25
26
27
27
28
28
27
25
24
23
23
22
21
21
20
19
19
19

Feels Like (°C)

15
16
18
20
23
25
26
26
27
28
29
29
28
26
25
24
23
22
22
21
20
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

97
94
84
73
66
61
58
57
57
57
55
57
61
66
71
74
76
77
78
78
80
81
82
85

Pressure (mb)

1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

298
298
298
298
298
299
299
299
299
299
299
298
297
297
297
298
299
299
299
299
299
300
300
300

Sunday 25

Waning Crescent 33%

00:56

16:23

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 OK
05 Good
06 Good

Sun - Rise: 06:08, Set: 20:01, Transit: 13:04. Moon - Rise: 00:56, Set: 16:23. Civil Dark: 20:36 - 05:34. Nautical Dark: 21:18 - 04:51. Astro Dark: 22:06 - 04:04

Total Clouds (% Sky Obscured)

66
73
91
95
93
89
63
83
98
90
93
96
99
100
100
100
99
98
98
96
84
29
16
13

Low Clouds (% Sky Obscured)

21
16
12
8
4
18
13
70
13
4
8
13
11
9
13
13
14
13
1
6
13
9
2
1

Medium Clouds (% Sky Obscured)

3
9
4
2
0
27
23
48
27
10
20
16
40
9
7
9
15
10
9
7
6
3
2
2

High Clouds (% Sky Obscured)

62
69
90
95
93
84
52
39
98
89
91
95
98
100
100
100
99
98
98
95
81
21
13
11

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

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.03
0.05
0.02
0
0
0.01
0.04
0.09
0.09
0.12
0.16
0.11
0.05
0.02
0.04
0.08
0.1
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
22
24
26
27
28
29
30
30
31
30
29
28
26
24
23
22
22
21
20
20
19
19

Feels Like (°C)

19
20
22
24
26
28
29
30
30
31
31
31
30
29
26
25
24
23
22
21
21
20
19
19

Dew Point (°C)

17
17
18
18
18
18
18
18
18
18
17
17
18
18
18
18
18
18
17
17
17
16
16
17

Relative Humidity (%)

89
86
78
70
63
58
55
52
50
48
45
47
50
55
62
67
72
75
76
78
79
81
83
87

Pressure (mb)

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

Ozone (du)

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

Monday 26

Waning Crescent 23%

01:52

17:27

07 OK
08 OK
09 Good
10 OK
11 Bad
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 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:09, Set: 19:59, Transit: 13:04. Moon - Rise: 01:52, Set: 17:27. Civil Dark: 20:33 - 05:35. Nautical Dark: 21:16 - 04:53. Astro Dark: 22:03 - 04:06

Total Clouds (% Sky Obscured)

24
11
15
39
64
38
74
77
97
66
62
77
88
93
93
93
93
93
93
38
38
38
38
38

Low Clouds (% Sky Obscured)

1
0
0
30
61
28
69
44
3
4
6
10
3
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
0
0
0
2
25
30
22
23
13
16
9
4
4
4
4
4
4
2
2
2
2
2

High Clouds (% Sky Obscured)

23
11
14
14
8
15
19
57
97
58
56
73
88
93
93
93
93
93
93
37
37
37
37
37

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.02
0.01
0
0
0
0.01
0.07
0.13
0.08
0.02
0
0
0
0.01
0.01
0.01
0.02
0.08
0.26
0.37
0.22
0.04
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
22
24
26
27
29
29
30
29
30
29
28
27
26
25
24
23
23
22
21
20
20
19

Feels Like (°C)

19
20
22
24
27
28
29
30
30
30
30
29
29
28
26
25
24
23
23
22
22
21
20
19

Dew Point (°C)

17
18
18
18
19
18
18
18
17
17
17
16
16
17
17
18
18
18
17
17
17
16
16
16

Relative Humidity (%)

91
89
81
71
63
58
53
49
48
48
46
47
49
53
59
65
70
72
71
72
74
77
79
84

Pressure (mb)

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

Ozone (du)

293
293
293
293
293
293
292
292
292
292
293
293
294
294
294
294
293
292
291
290
290
290
290
290

Tuesday 27

Waning Crescent 14%

03:01

18:23

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

Sun - Rise: 06:11, Set: 19:57, Transit: 13:03. Moon - Rise: 03:01, Set: 18:23. Civil Dark: 20:31 - 05:37. Nautical Dark: 21:13 - 04:55. Astro Dark: 22:00 - 04:08

Total Clouds (% Sky Obscured)

38
51
51
51
51
51
51
32
32
32
32
32
32
38
38
38
38
38
38
3
3
3
3
3

Low Clouds (% Sky Obscured)

0
49
49
49
49
49
49
25
25
25
25
25
25
15
15
15
15
15
15
1
1
1
1
1

Medium Clouds (% Sky Obscured)

2
1
1
1
1
1
1
21
21
21
21
21
21
23
23
23
23
23
23
3
3
3
3
3

High Clouds (% Sky Obscured)

37
9
9
9
9
9
9
0
0
0
0
0
0
15
15
15
15
15
15
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
3
4
3
2
2
2
1
0
0
1
1
1
1
0
0
1
1
1

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.12
0.21
0.15
0.06
0.03
0.01
0.01
0
0
0.01
0.02
0.01
0.01
0
0
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
22
25
26
27
28
28
29
29
29
29
28
26
25
24
23
23
23
22
22
21
21
20

Feels Like (°C)

19
21
23
25
27
28
29
29
30
30
30
29
29
28
26
24
24
23
23
22
22
21
21
20

Dew Point (°C)

17
17
18
18
19
18
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
17
17

Relative Humidity (%)

87
83
75
68
62
59
56
54
51
51
50
52
56
61
65
68
70
71
72
73
74
76
78
83

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

290
290
290
290
289
289
288
287
286
286
285
283
282
281
281
282
282
283
284
284
284
285
284
284

Wednesday 28

Waning Crescent 6%

04:20

19:09

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

Sun - Rise: 06:12, Set: 19:55, Transit: 13:03. Moon - Rise: 04:20, Set: 19:09. Civil Dark: 20:29 - 05:38. Nautical Dark: 21:11 - 04:57. Astro Dark: 21:57 - 04:11

Total Clouds (% Sky Obscured)

3
4
4
4
4
4
4
19
19
19
19
19
19
33
33
33
33
33
33
6
6
6
6
6

Low Clouds (% Sky Obscured)

1
3
3
3
3
3
3
8
8
8
8
8
8
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
1
1
1
1
1
1
4
4
4
4
4
4
8
8
8
8
8
8
5
5
5
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
13
13
13
13
13
13
29
29
29
29
29
29
1
1
1
1
1

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.02
0.04
0.07
0.09
0.06
0.02
0
0
0.01
0.03
0.05
0.07
0.08
0.05
0.03
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
23
25
27
28
29
30
30
30
30
30
28
27
26
25
24
24
23
22
22
21
20
19

Feels Like (°C)

20
22
24
26
28
29
30
30
31
31
31
30
29
28
26
25
24
24
23
22
22
21
20
19

Dew Point (°C)

18
18
18
18
18
18
18
18
18
17
17
17
17
18
17
17
16
16
16
16
16
16
16
17

Relative Humidity (%)

86
81
73
66
60
57
53
50
48
46
45
46
51
56
59
59
60
62
64
67
70
74
78
84

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

283
282
281
279
278
278
279
279
279
279
279
279
279
278
277
276
276
276
276
276
277
277
277
278

Thursday 29

Waning Crescent 2%

05:44

19:47

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

Sun - Rise: 06:14, Set: 19:53, Transit: 13:03. Moon - Rise: 05:44, Set: 19:47. Civil Dark: 20:27 - 05:40. Nautical Dark: 21:09 - 04:59. Astro Dark: 21:55 - 04:13

Total Clouds (% Sky Obscured)

6
4
4
4
4
4
4
16
16
16
16
16
16
70
70
70
70
70
70
5
5
5
5
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
4
4
4
4
4

Medium Clouds (% Sky Obscured)

5
4
4
4
4
4
4
2
2
2
2
2
2
7
7
7
7
7
7
2
2
2
2
2

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
14
14
14
14
14
14
67
67
67
67
67
67
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
1
1
1
1
2
2
1
2
2
3
3
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.02
0.03
0.03
0.02
0.03
0.05
0.08
0.11
0.13
0.15
0.15
0.08
0.02
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
3
3
4
4
4
3
3
2
2
2
2
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

19
21
22
25
26
27
28
29
30
30
30
30
29
28
27
25
24
23
23
22
21
21
20
20

Feels Like (°C)

20
21
23
25
27
28
29
30
30
30
30
30
29
28
27
25
24
23
23
22
21
21
20
20

Dew Point (°C)

17
17
17
18
18
18
17
17
17
16
16
16
16
16
17
17
17
17
16
16
16
16
16
17

Relative Humidity (%)

85
81
72
65
59
55
51
48
45
44
42
42
44
48
54
60
64
66
68
69
71
73
76
83

Pressure (mb)

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

Ozone (du)

278
278
278
278
279
279
279
278
278
278
278
278
278
278
279
279
279
279
279
279
279
279
280
279

Friday 30

New Moon 0%

No Rise

20:19

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

Sun - Rise: 06:15, Set: 19:51, Transit: 13:02. Moon - Rise: No Rise, Set: 20:19. Civil Dark: 20:25 - 05:42. Nautical Dark: 21:06 - 05:00. Astro Dark: 21:52 - 04:15

Total Clouds (% Sky Obscured)

5
2
2
2
2
2
2
30
30
30
30
30
30
99
99
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
2
2
2
2
2
2
22
22
22
22
22
22
69
69
69
69
69
69
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
2
9
9
9
9
9
9
27
27
27
27
27
27
43
43
43
43
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
10
10
10
10
10
98
98
98
98
98
98
86
86
86
86
86

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
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
1
2
2
3
3
2
1
0
1
1
1
2
2
2
3
3
2
2
1
2
0
0
0

Precipitation Amount (mm)

0
0.01
0.06
0.19
0.29
0.18
0.05
0.01
0
0.01
0.01
0.01
0.04
0.09
0.14
0.2
0.22
0.15
0.07
0.04
0.02
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
23
24
25
26
26
27
27
28
29
29
28
27
26
25
24
23
23
22
21
21
20
20

Feels Like (°C)

20
21
23
24
26
26
26
28
28
29
29
29
29
28
26
25
24
23
23
22
22
21
20
20

Dew Point (°C)

18
18
18
19
19
19
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Relative Humidity (%)

86
83
77
71
68
66
63
60
56
53
50
49
52
55
60
63
66
68
69
71
74
76
80
85

Pressure (mb)

1016
1017
1017
1018
1018
1018
1017
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1018

Ozone (du)

279
279
280
280
280
281
281
281
281
281
281
281
281
280
279
278
277
277
277
277
277
277
277
277

Forecast for Praha 2, 120 00, Czech Republic (50.08,14.44)

Generated: 24/08/19 07:02:52. Forecast: 24/08/19 to 30/08/19. Timezone: UTC+2.00