Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 87%

16:15

03:59

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

Sun - Rise: 07:32, Set: 17:50, Transit: 12:40. Moon - Rise: 16:15, Set: 03:59. Civil Dark: 18:23 - 06:59. Nautical Dark: 19:01 - 06:21. Astro Dark: 19:39 - 05:43

Total Clouds (% Sky Obscured)

93
90
93
75
14
61
61
84
81
36
33
34
23
3
3
2
1
8
14
14
70
100
100
100

Low Clouds (% Sky Obscured)

23
12
1
16
0
0
6
2
1
2
20
10
23
2
1
1
1
2
1
2
2
0
0
0

Medium Clouds (% Sky Obscured)

71
82
83
73
13
57
53
83
78
31
12
24
1
0
0
0
0
1
0
0
28
60
57
100

High Clouds (% Sky Obscured)

35
15
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
12
12
57
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 (%)

2
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)

9
9
6
4
4
3
2
3
2
3
2
2
3
2
2
3
3
2
1
3
6
8
9
9

Chance of Frost

Temperature (°C)

9
9
9
8
7
6
6
6
6
5
4
4
4
4
4
4
4
4
5
7
9
10
11
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
68
78
84
85
83
82
83
86
89
85
89
91
91
93
91
91
82
71
64
60
56
52

Pressure (mb)

1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017

Ozone (du)

286
286
286
287
292
296
298
297
298
299
299
298
295
292
288
286
283
279
277
273
271
268
267
265

Friday 23

Waxing Gibbous 93%

16:28

05:17

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: 07:34, Set: 17:48, Transit: 12:40. Moon - Rise: 16:28, Set: 05:17. Civil Dark: 18:21 - 07:00. Nautical Dark: 18:59 - 06:22. Astro Dark: 19:37 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
100
100
100
100
58
63
67
39
66
66
72
73
76
96
100
79
90

Low Clouds (% Sky Obscured)

0
1
1
13
2
3
26
27
34
41
26
14
32
59
39
63
66
43
28
33
62
60
54
70

Medium Clouds (% Sky Obscured)

100
100
100
100
98
100
100
100
100
100
100
39
60
67
39
63
61
42
29
44
55
55
4
6

High Clouds (% Sky Obscured)

100
88
45
94
40
84
45
78
100
100
37
30
19
25
25
35
45
3
55
60
50
50
17
38

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
1
4
27
47
25
4
0
0
0
2
33
34
16
1
2
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
9
7
6
6
7
8
7
6
7
7
7
8
9
9
9
10
13
15
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
51
55
59
61
63
63
63
67
69
74
78
81
74
71
85
84
82
78
73
65
62
57
52

Pressure (mb)

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

Ozone (du)

266
270
276
279
281
284
286
289
294
297
299
300
303
303
304
305
307
309
308
307
307
308
310
310

Saturday 24

Waxing Gibbous 98%

16:42

05:38

15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 Good
23 Good
00 Good
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: 06:35, Set: 17:46, Transit: 11:40. Moon - Rise: 16:42, Set: 05:38. Civil Dark: 18:19 - 06:02. Nautical Dark: 18:57 - 05:24. Astro Dark: 19:35 - 04:46

Total Clouds (% Sky Obscured)

77
65
40
39
35
41
31
3
3
3
3
50
100
100
100
100
100
100
100
100
100
100
98
97

Low Clouds (% Sky Obscured)

68
24
20
24
25
29
23
3
3
3
3
3
0
0
0
0
17
35
50
92
96
100
95
90

Medium Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
65
59
78
94
93
96
98
100
88
84

High Clouds (% Sky Obscured)

40
35
8
2
1
1
0
0
0
0
0
45
100
100
100
100
100
100
100
100
100
100
82
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
3
4

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
19
30
63
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
1.3
1.4
1.1

Wind Speed/Direction (mph)

14
12
11
9
7
6
5
5
4
4
4
5
5
6
7
8
10
12
14
16
15
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
55
58
64
70
72
76
80
85
86
89
91
91
91
88
86
82
73
68
60
65
83
91
93

Pressure (mb)

1018
1018
1018
1019
1019
1019
1020
1020
1019
1019
1019
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1007
1007

Ozone (du)

308
308
308
308
309
310
310
313
314
310
299
286
283
279
276
277
277
273
273
272
272
271
270
270

Sunday 25

Waxing Gibbous 100%

15:58

07:04

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: 06:37, Set: 16:44, Transit: 11:40. Moon - Rise: 15:58, Set: 07:04. Civil Dark: 17:17 - 06:03. Nautical Dark: 17:55 - 05:25. Astro Dark: 18:33 - 04:47

Total Clouds (% Sky Obscured)

95
95
94
94
92
90
87
90
96
88
83
91
78
70
66
71
64
65
81
64
58
64
68
64

Low Clouds (% Sky Obscured)

88
89
91
93
91
89
87
82
86
43
55
73
62
60
64
70
64
65
80
62
52
46
58
57

Medium Clouds (% Sky Obscured)

84
76
79
80
77
29
21
32
41
68
54
53
51
34
17
0
0
0
0
8
15
20
15
7

High Clouds (% Sky Obscured)

30
25
25
30
35
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
0

ISS Passover

Visibility (miles)

5
2
1
0
0
0
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

Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

95
95
95
95
68
56
40
27
13
10
8
15
18
20
20
16
9
5
1
11
16
17
17
20

Precipitation Amount (mm)

1.3
1.4
1.8
1
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
9
7
7
7
8
9
8
8
7
7
8
8
8
8
7
8
10
11
12
12
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
96
98
98
90
85
87
86
90
91
91
93
94
94
96
93
83
76
70
65
63
67

Pressure (mb)

1007
1007
1007
1008
1009
1009
1011
1012
1013
1014
1014
1015
1016
1017
1017
1018
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

270
270
270
270
272
276
280
285
291
293
294
299
302
301
303
303
304
299
291
288
290
290
289
288

Monday 26

Full Moon 99%

16:19

08:33

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: 06:39, Set: 16:42, Transit: 11:39. Moon - Rise: 16:19, Set: 08:33. Civil Dark: 17:16 - 06:05. Nautical Dark: 17:54 - 05:27. Astro Dark: 18:32 - 04:49

Total Clouds (% Sky Obscured)

54
56
75
100
92
82
72
80
89
97
87
75
64
75
88
98
98
98
98
92
85
79
68
56

Low Clouds (% Sky Obscured)

54
44
51
56
31
14
2
8
14
20
20
21
22
22
22
22
35
46
61
65
67
64
45
27

Medium Clouds (% Sky Obscured)

0
4
7
11
20
30
54
37
40
42
48
49
51
66
82
97
93
90
86
73
60
49
34
17

High Clouds (% Sky Obscured)

0
25
58
98
89
77
66
72
79
87
60
33
7
11
20
32
47
42
25
18
9
0
3
7

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 (%)

5
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
4
3
3
2
1
1
0
1
1
1
1
0
-0
2
2
3
2
3
3
8

Dew Point (°C)

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

Relative Humidity (%)

69
72
77
77
81
82
85
86
89
91
91
93
93
91
89
89
86
83
80
78
71
67
62
66

Pressure (mb)

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

Ozone (du)

288
288
286
285
282
280
281
282
281
279
278
277
276
275
273
271
269
267
266
265
264
264
264
264

Tuesday 27

Waning Gibbous 95%

16:47

10:00

15 OK
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: 06:40, Set: 16:40, Transit: 11:39. Moon - Rise: 16:47, Set: 10:00. Civil Dark: 17:14 - 06:07. Nautical Dark: 17:52 - 05:28. Astro Dark: 18:30 - 04:51

Total Clouds (% Sky Obscured)

45
49
57
57
62
76
90
82
76
73
80
86
90
94
96
100
100
100
100
94
91
84
86
69

Low Clouds (% Sky Obscured)

10
17
26
35
19
10
0
0
0
1
11
14
13
19
25
31
28
28
42
53
49
43
39
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
33
43
31
23
16
29
41
52
68
85
100
92
83
75
64
64

High Clouds (% Sky Obscured)

10
30
52
57
62
72
86
74
69
62
70
82
90
94
96
100
100
100
100
81
60
39
42
44

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
3
12
19
26
23
16
26
35

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
4
3
3
3
2
2
2
2
2
2
2
3
3
3
2
2
3
3
4
5
7
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
75
81
87
88
88
90
88
85
83
83
82
82
80
80
80
78
78
77
70
63
58
60

Pressure (mb)

1020
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

264
264
264
265
265
265
266
267
267
268
269
270
271
272
275
278
281
286
291
297
296
295
294
294

Wednesday 28

Waning Gibbous 89%

17:26

11:18

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: 06:42, Set: 16:38, Transit: 11:39. Moon - Rise: 17:26, Set: 11:18. Civil Dark: 17:12 - 06:08. Nautical Dark: 17:50 - 05:30. Astro Dark: 18:28 - 04:52

Total Clouds (% Sky Obscured)

63
61
59
61
67
72
79
83
86
88
86
86
87
91
94
96

Low Clouds (% Sky Obscured)

30
34
38
50
47
49
50
56
62
68
61
66
72
84
86
88

Medium Clouds (% Sky Obscured)

49
43
38
29
35
32
34
33
28
24
20
15
10
13
18
20

High Clouds (% Sky Obscured)

41
37
30
32
32
29
15
8
7
4
8
16
24
43
60
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

38
48
51
57
55
50
35
30
21
10
11
14
7
7
7
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
4
3
3
3
4
3
3
3
4
4
4
4
4

Relative Humidity (%)

63
67
69
73
74
78
81
85
85
85
85
88
91
93
94
94

Pressure (mb)

1023
1023
1024
1025
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

293
293
293
293
293
292
291
290
290
290
290
291
293
294
295
296

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

Generated: 22/10/26 15:30:46. Forecast: 22/10/26 to 28/10/26. Timezone: UTC+2.00