Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 15

Waxing Crescent 21%

13:04

20:15

15 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 OK
01 Good
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

Sun - Rise: 06:33, Set: 19:09, Transit: 12:50. Moon - Rise: 13:04, Set: 20:15. Civil Dark: 19:42 - 06:01. Nautical Dark: 20:21 - 05:22. Astro Dark: 21:03 - 04:41

Total Clouds (% Sky Obscured)

35
32
27
12
0
8
12
13
21
32
17
60
100
83
70
75
97
87
93
99
100
98
99
100

Low Clouds (% Sky Obscured)

24
20
0
0
0
8
12
13
10
8
9
8
8
22
18
14
12
18
36
27
42
30
18
20

Medium Clouds (% Sky Obscured)

18
4
1
0
0
0
0
0
0
0
0
0
0
3
29
68
63
54
71
97
97
91
74
86

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
19
32
7
38
100
70
53
18
95
49
74
58
100
97
99
100

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
49
52
61
71
75
78
79
80
82
83
84
87
87
87
84
81
75
65
61
58
58
55
53

Pressure (mb)

1020
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1013
1012

Ozone (du)

288
286
283
281
280
278
276
275
276
277
278
279
280
279
277
276
275
275
275
275
274
273
272
271

Wednesday 16

Waxing Crescent 29%

14:13

20:41

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Bad
14 Bad

Sun - Rise: 06:35, Set: 19:07, Transit: 12:50. Moon - Rise: 14:13, Set: 20:41. Civil Dark: 19:40 - 06:02. Nautical Dark: 20:19 - 05:23. Astro Dark: 21:00 - 04:42

Total Clouds (% Sky Obscured)

100
99
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
82
69
66
63
30
45
58

Low Clouds (% Sky Obscured)

4
3
28
43
72
79
85
97
86
80
77
61
61
40
27
32
56
57
38
30
41
30
42
27

Medium Clouds (% Sky Obscured)

94
88
89
68
99
99
90
100
100
100
100
100
94
69
100
98
21
16
0
0
0
0
25
14

High Clouds (% Sky Obscured)

100
98
71
68
100
95
54
100
100
100
100
100
100
100
100
100
100
35
35
25
20
0
0
33

ISS Passover

Visibility (miles)

9
9
9
9
4
2
3
8
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
70
84
51
34
20
13
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
15
66
95
95
95
95
95
95
82
47
34
10
6
3
2
21
21
25
22
7
8
8
6

Precipitation Amount (mm)

0
0
0
1.4
5.3
2.1
1.6
0.6
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
5
3
4
3
4
3
3
3
3
3
2
1
2
2
2
3
5
7
8
9
9
10

Chance of Frost

Temperature (°C)

21
22
22
21
18
17
16
16
16
16
15
15
14
14
13
12
12
12
13
15
16
16
17
18

Feels Like (°C)

21
21
22
22
18
18
16
16
16
16
15
14
14
13
12
12
11
12
13
14
14
14
16
16

Dew Point (°C)

12
12
13
14
16
17
16
16
15
15
14
13
12
11
10
10
10
10
10
10
9
7
7
6

Relative Humidity (%)

53
55
57
65
85
96
98
96
93
95
93
89
86
83
83
83
86
86
82
75
65
55
49
47

Pressure (mb)

1012
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

271
270
270
268
266
266
267
266
267
267
269
271
273
276
281
286
288
292
297
302
307
318
317
306

Thursday 17

Waxing Crescent 39%

No Rise

21:17

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:36, Set: 19:05, Transit: 12:50. Moon - Rise: No Rise, Set: 21:17. Civil Dark: 19:38 - 06:04. Nautical Dark: 20:17 - 05:25. Astro Dark: 20:57 - 04:44

Total Clouds (% Sky Obscured)

57
85
91
69
76
100
62
68
78
100
100
92
94
100
91
79
67
67
57
55
77
81
86
93

Low Clouds (% Sky Obscured)

49
71
64
39
19
4
1
1
3
20
18
25
29
40
41
41
32
26
15
5
19
31
40
33

Medium Clouds (% Sky Obscured)

23
0
0
0
0
0
0
0
2
2
2
2
0
29
22
47
50
51
48
41
43
41
52
61

High Clouds (% Sky Obscured)

0
24
49
41
73
100
62
68
75
100
100
82
85
100
70
33
40
31
18
2
23
27
27
55

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
45
54
59
59
59
61
62
64
65
66
68
73
76
77
78
80
73
65
60
56
52
50
47

Pressure (mb)

1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

301
296
294
293
292
292
291
289
287
287
287
287
286
285
285
287
286
286
288
289
288
288
288
288

Friday 18

First Quarter 49%

15:12

22:03

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK

Sun - Rise: 06:38, Set: 19:03, Transit: 12:49. Moon - Rise: 15:12, Set: 22:03. Civil Dark: 19:35 - 06:05. Nautical Dark: 20:14 - 05:27. Astro Dark: 20:55 - 04:46

Total Clouds (% Sky Obscured)

97
100
99
97
96
91
87
83
77
63
31
30
31
31
39
61
96
77
81
79
62
89
66
39

Low Clouds (% Sky Obscured)

19
12
36
49
65
65
63
62
58
53
31
30
31
31
39
54
67
56
49
41
49
54
63
39

Medium Clouds (% Sky Obscured)

66
92
92
93
93
89
76
36
26
13
0
0
0
0
0
0
0
2
4
5
4
2
11
2

High Clouds (% Sky Obscured)

74
100
73
50
30
30
25
18
0
0
0
1
2
2
17
40
85
57
58
52
34
59
37
18

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
1
1
1
4
3
1
2
1
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)

10
10
9
7
6
4
3
3
3
3
3
2
1
1
1
2
2
2
3
5
7
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
8
8
7
7
7
7
7
8
8
8
7
8
8
8
8
8
8
8
8
7

Relative Humidity (%)

43
44
48
54
59
60
59
60
63
66
73
81
85
87
90
91
93
87
79
70
63
57
54
49

Pressure (mb)

1014
1014
1014
1014
1015
1016
1016
1017
1018
1018
1018
1019
1019
1020
1020
1020
1021
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

287
286
284
285
286
286
285
286
289
290
291
287
286
285
285
283
283
284
285
285
285
285
286
286

Saturday 19

Waxing Gibbous 58%

16:00

23:01

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

Sun - Rise: 06:40, Set: 19:00, Transit: 12:49. Moon - Rise: 16:00, Set: 23:01. Civil Dark: 19:33 - 06:07. Nautical Dark: 20:12 - 05:28. Astro Dark: 20:52 - 04:48

Total Clouds (% Sky Obscured)

32
25
34
51
63
53
47
36
45
50
59
61
64
66
72
79
87
88
89
90
92
95
97
97

Low Clouds (% Sky Obscured)

32
25
21
15
8
5
2
0
6
12
24
32
40
47
45
40
36
39
45
52
68
77
85
85

Medium Clouds (% Sky Obscured)

2
2
14
28
42
42
37
30
35
38
48
48
49
50
56
62
69
74
80
87
74
63
55
55

High Clouds (% Sky Obscured)

9
3
2
2
3
1
2
5
4
3
2
5
7
10
14
17
18
11
8
8
36
67
97
97

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
8
6
5

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
3
4
4
9
14
18
20
17
5
17
20
35
43

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)

10
10
9
6
3
2
2
2
2
2
3
3
3
3
3
3
3
4
6
8
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
7
8
7
7
7
6
7
7
7
7
8
8
8
8
8
9
10
11
12
12
12
13

Relative Humidity (%)

45
42
45
54
59
61
64
64
69
71
75
76
79
81
83
83
81
81
79
78
74
75
74
74

Pressure (mb)

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

Ozone (du)

285
285
285
286
288
288
287
286
286
284
284
284
285
285
285
286
286
287
287
287
287
289
291
294

Sunday 20

Waxing Gibbous 68%

16:37

00:07

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:41, Set: 18:58, Transit: 12:49. Moon - Rise: 16:37, Set: 00:07. Civil Dark: 19:31 - 06:09. Nautical Dark: 20:09 - 05:30. Astro Dark: 20:50 - 04:50

Total Clouds (% Sky Obscured)

96
95
92
88
86
86
89
90
94
97
100
100
100
100
99
98
97
96
95
94
89
84
77
71

Low Clouds (% Sky Obscured)

85
85
72
58
40
38
32
30
29
28
31
38
45
45
59
67
75
75
75
75
68
63
62
64

Medium Clouds (% Sky Obscured)

58
58
58
57
58
64
70
76
84
92
100
88
76
59
48
42
35
29
25
20
15
7
0
3

High Clouds (% Sky Obscured)

96
95
92
88
86
86
89
90
94
97
100
100
99
99
87
78
73
72
66
45
27
24
14
9

ISS Passover

Visibility (miles)

6
8
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
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
None

Precipitation Probability (%)

48
51
55
53
42
42
41
28
21
16
6
6
6
2
7
6
5
12
14
14
13
13
11
18

Precipitation Amount (mm)

0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
10
10
9
7
5
4
3
3
3
3
3
4
4
4
4
6
9
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
16
16
18
12
13
14
14
14
14
10
10
10
9
9
8
8
9
9
10
10
10

Dew Point (°C)

13
12
12
12
13
13
12
12
12
11
11
10
10
10
9
9
8
8
7
7
6
6
6
6

Relative Humidity (%)

74
74
73
79
85
90
89
89
87
86
87
87
90
91
95
91
90
88
80
71
65
63
60
58

Pressure (mb)

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

Ozone (du)

295
296
297
297
297
298
299
301
302
303
305
306
307
307
308
308
308
309
310
310
311
311
312
312

Monday 21

Waxing Gibbous 77%

17:05

01:20

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:43, Set: 18:56, Transit: 12:48. Moon - Rise: 17:05, Set: 01:20. Civil Dark: 19:28 - 06:10. Nautical Dark: 20:07 - 05:32. Astro Dark: 20:47 - 04:52

Total Clouds (% Sky Obscured)

63
59
54
49
43
44
44
44
36
30
25
28
29
28
41
53
65

Low Clouds (% Sky Obscured)

63
59
54
49
43
44
44
44
36
30
23
22
29
28
41
53
65

Medium Clouds (% Sky Obscured)

6
11
12
10
8
5
3
1
0
0
0
0
0
0
2
4
6

High Clouds (% Sky Obscured)

6
1
1
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

Fog (%)

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

Precipitation Probability (%)

22
21
25
26
25
26
25
23
19
15
4
7
7
2
6
6
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
8
6
4
4
3
3
3
2
2
2
2
1
1
2

Chance of Frost

Temperature (°C)

15
15
15
13
12
11
9
8
7
7
7
6
6
6
5
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
62
66
71
76
81
87
93
93
93
94
94
94
94
91
88

Pressure (mb)

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

Ozone (du)

314
315
317
319
320
322
323
325
326
326
327
327
324
322
320
318
317

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 15/09/26 15:42:12. Forecast: 15/09/26 to 21/09/26. Timezone: UTC+2.00