Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 1

Waning Gibbous 66%

20:30

13:19

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:58, Set: 18:34, Transit: 12:45. Moon - Rise: 20:30, Set: 13:19. Civil Dark: 19:06 - 06:26. Nautical Dark: 19:44 - 05:48. Astro Dark: 20:23 - 05:09

Total Clouds (% Sky Obscured)

61
69
76
100
100
100
100
99
98
100
100
100
96
80
78
95
100
100
100
100
100
100
100
100

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)

61
69
76
100
100
100
100
98
97
100
100
100
95
75
72
95
100
100
100
100
100
100
100
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 (%)

1
1
0
0
0
0
0
0
0
0
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)

12
11
11
12
11
10
7
4
3
3
3
3
3
3
3
2
2
2
2
1
1
2
4
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
39
35
35
38
42
50
53
54
53
52
51
51
49
49
51
50
51
52
52
53
47
41
39

Pressure (mb)

1027
1026
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1031
1031
1031

Ozone (du)

284
284
283
282
280
280
279
279
279
280
282
283
284
285
285
285
285
287
287
288
289
289
289
290

Friday 2

Waning Gibbous 54%

21:30

14:30

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

Sun - Rise: 07:00, Set: 18:32, Transit: 12:45. Moon - Rise: 21:30, Set: 14:30. Civil Dark: 19:04 - 06:27. Nautical Dark: 19:42 - 05:49. Astro Dark: 20:20 - 05:11

Total Clouds (% Sky Obscured)

75
91
100
86
69
53
52
67
86
95
99
100
100
100
31
30
26
24
23
22
35
43
33
36

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
13
27
31
26
9
3
2
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

75
91
100
83
60
53
47
64
85
94
99
100
100
100
31
30
26
22
23
22
35
43
33
36

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
16
16
18
18
18
16
13
12
10
10
10
9
9
9
8
8
8
8
7
9
12
14
16

Dew Point (°C)

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

Relative Humidity (%)

38
37
36
37
39
47
53
55
58
62
63
63
63
61
60
61
61
61
61
61
58
48
41
37

Pressure (mb)

1031
1031
1031
1031
1031
1030
1031
1031
1032
1032
1032
1032
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

290
290
289
289
289
289
289
288
289
290
290
290
290
289
288
287
287
287
287
287
288
288
288
289

Saturday 3

Third Quarter 43%

22:45

15:23

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

Sun - Rise: 07:01, Set: 18:29, Transit: 12:44. Moon - Rise: 22:45, Set: 15:23. Civil Dark: 19:02 - 06:29. Nautical Dark: 19:40 - 05:51. Astro Dark: 20:18 - 05:12

Total Clouds (% Sky Obscured)

33
44
41
31
77
23
50
26
27
35
40
39
39
42
29
19
35
34
73
45
52
65
87
89

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
1
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
17
44
36
32
26
24
33

High Clouds (% Sky Obscured)

32
42
39
28
74
15
49
26
25
35
40
39
39
42
29
10
15
15
28
2
14
38
79
82

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
17
18
18
18
16
14
11
11
10
9
9
9
9
9
10
9
9
8
11
12
12
12

Dew Point (°C)

3
3
2
1
1
5
5
3
2
2
1
1
1
1
1
1
0
-0
0
0
1
1
1
1

Relative Humidity (%)

33
31
28
27
27
37
42
45
47
48
49
48
49
49
49
49
49
48
49
49
50
43
39
37

Pressure (mb)

1031
1031
1030
1030
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

289
289
288
287
288
288
288
288
289
289
289
289
289
289
289
289
289
289
290
291
291
290
291
291

Sunday 4

Waning Crescent 31%

00:09

16:01

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:03, Set: 18:27, Transit: 12:44. Moon - Rise: 00:09, Set: 16:01. Civil Dark: 19:00 - 06:30. Nautical Dark: 19:37 - 05:53. Astro Dark: 20:16 - 05:14

Total Clouds (% Sky Obscured)

88
87
92
96
100
100
100
100
98
75
76
80
83
93
96
98
100
100
100
100
99
97
96
87

Low Clouds (% Sky Obscured)

2
8
27
45
50
50
39
42
60
20
17
22
30
40
53
64
70
70
75
70
72
69
66
56

Medium Clouds (% Sky Obscured)

41
51
90
93
97
97
99
54
62
50
45
44
38
31
32
29
47
22
18
57
60
58
57
55

High Clouds (% Sky Obscured)

83
86
90
95
100
100
100
100
66
70
75
57
37
30
25
25
25
35
35
35
35
35
35
37

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
4
13
16
11
16
17
30
42
49
55
56
46
21
10
0
0
0
0
1
1
1
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
15
16
15
15
13
12
12
12
12
10
10
8
8
8
8
7
7
8
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

36
35
35
35
42
49
52
54
55
56
62
66
67
71
70
72
73
74
77
80
77
71
69
68

Pressure (mb)

1027
1027
1026
1026
1026
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

291
292
293
296
296
296
297
301
308
309
305
302
299
296
296
295
295
295
295
294
295
294
294
295

Monday 5

Waning Crescent 21%

01:35

16:28

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
07 Bad
08 Bad
09 OK
10 OK
11 OK

Sun - Rise: 07:04, Set: 18:25, Transit: 12:44. Moon - Rise: 01:35, Set: 16:28. Civil Dark: 18:57 - 06:32. Nautical Dark: 19:35 - 05:54. Astro Dark: 20:14 - 05:16

Total Clouds (% Sky Obscured)

79
70
72
73
70
53
55
57
57
58
58
63
70
80
74
69
62
64
64
59
52
46
42
40

Low Clouds (% Sky Obscured)

70
62
55
38
29
9
5
2
2
2
2
6
10
14
15
17
19
14
8
2
2
2
2
3

Medium Clouds (% Sky Obscured)

57
60
63
65
64
29
33
37
43
41
37
39
44
47
44
37
31
35
37
35
35
34
31
28

High Clouds (% Sky Obscured)

35
38
37
23
7
5
5
4
4
3
2
1
2
2
1
2
2
2
3
5
12
10
4
5

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 (%)

1
0
0
0
1
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
63
63
61
63
73
83
86
86
88
88
87
88
88
88
88
90
90
88
87
79
70
64

Pressure (mb)

1026
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

294
295
297
296
294
291
289
286
283
282
283
281
280
279
278
277
275
274
274
273
273
273
272
272

Tuesday 6

Waning Crescent 12%

02:59

16:48

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

Sun - Rise: 07:06, Set: 18:23, Transit: 12:44. Moon - Rise: 02:59, Set: 16:48. Civil Dark: 18:55 - 06:33. Nautical Dark: 19:33 - 05:56. Astro Dark: 20:11 - 05:17

Total Clouds (% Sky Obscured)

42
43
48
54
60
61
62
52
29
23
16
14
16
22
40
54
66
69
70
73
63
51
45
39

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

28
32
35
37
35
27
23
15
11
7
3
2
2
3
21
39
57
56
55
54
54
51
45
34

High Clouds (% Sky Obscured)

5
6
16
26
36
56
62
52
29
23
16
14
16
22
36
44
40
34
25
17
13
9
9
8

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
9
9
9
9
8
8
8
8
9
9
8
8
8
8
8
7
7
7
7

Relative Humidity (%)

59
55
51
51
53
55
61
67
74
75
76
79
80
83
83
83
83
83
81
81
80
70
61
54

Pressure (mb)

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

Ozone (du)

271
271
270
269
269
268
268
267
267
267
267
267
267
267
267
267
267
267
267
267
268
268
269
270

Wednesday 7

Waning Crescent 6%

04:20

17:04

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

Sun - Rise: 07:08, Set: 18:21, Transit: 12:43. Moon - Rise: 04:20, Set: 17:04. Civil Dark: 18:53 - 06:35. Nautical Dark: 19:31 - 05:57. Astro Dark: 20:09 - 05:19

Total Clouds (% Sky Obscured)

25
19
14
23
23
31
40
47
46
50
49
39
32
29
51
68
84
87
89
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
40
64

Medium Clouds (% Sky Obscured)

25
15
14
14
17
25
35
47
45
47
46
36
30
21
22
23
27
36
43
55

High Clouds (% Sky Obscured)

8
7
7
7
7
13
21
27
27
25
20
18
22
22
44
65
79
74
68
79

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
20
20
20
20
18
16
14
13
13
12
12
12
11
11
11
10
10
10

Feels Like (°C)

14
14
15
20
20
19
19
19
19
12
12
12
12
11
11
10
10
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

50
46
42
45
46
49
52
56
62
62
63
63
63
63
63
63
64
63
65
66

Pressure (mb)

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

Ozone (du)

271
271
272
272
272
272
273
273
274
275
276
276
278
279
280
280
280
280
280
280

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

Generated: 01/10/26 12:02:14. Forecast: 01/10/26 to 07/10/26. Timezone: UTC+2.00