Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 16%

02:47

16:45

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:28, Set: 18:05, Transit: 12:47. Moon - Rise: 02:47, Set: 16:45. Civil Dark: 18:38 - 06:55. Nautical Dark: 19:16 - 06:18. Astro Dark: 19:53 - 05:40

Total Clouds (% Sky Obscured)

97
96
97
98
100
98
100
96
97
98
94
97
91
84
52
71
92
84
91
98
96
97
99
75

Low Clouds (% Sky Obscured)

50
65
64
56
67
62
78
69
55
81
84
70
76
65
52
65
71
64
62
71
75
71
69
61

Medium Clouds (% Sky Obscured)

44
54
57
56
64
50
60
45
46
49
36
41
30
10
7
3
27
24
29
49
43
46
62
41

High Clouds (% Sky Obscured)

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

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
2
4
5
9
12
5
14
16
22
20
18
10
16
8
5
8
16
11
20
17
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
5
5
5
5
6
6
6
7
7
7
5
5
5
5
5
6
5
5
6

Relative Humidity (%)

69
69
68
68
69
69
71
71
72
74
76
77
78
76
67
58
55
55
53
56
59
62
64
70

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021

Ozone (du)

279
279
280
279
277
276
277
280
282
282
283
283
282
284
284
282
281
282
282
283
283
282
282
282

Friday 17

Waning Crescent 9%

04:00

16:57

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

Sun - Rise: 07:29, Set: 18:03, Transit: 12:46. Moon - Rise: 04:00, Set: 16:57. Civil Dark: 18:36 - 06:57. Nautical Dark: 19:14 - 06:19. Astro Dark: 19:51 - 05:42

Total Clouds (% Sky Obscured)

76
86
87
100
100
96
66
75
80
80
42
28
30
25
22
19
17
18
10
7
5
2
1
0

Low Clouds (% Sky Obscured)

46
50
55
85
92
87
66
72
63
69
42
28
30
25
22
19
17
18
8
5
2
2
0
0

Medium Clouds (% Sky Obscured)

47
31
27
55
55
31
33
38
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Precipitation Probability (%)

21
23
16
18
37
27
9
10
23
7
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
5
5
5
4
3
3
2
3
2
2
2
1
0
-1
-2
-3
-3
-3
-2
-1
-1
-1

Relative Humidity (%)

76
76
71
72
70
70
67
70
69
76
76
80
74
65
56
49
45
42
41
42
45
55
60
62

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1025
1026
1027
1027
1028
1028
1028
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

283
285
286
285
284
282
281
280
282
282
283
285
287
289
292
295
295
296
297
295
294
297
300
302

Saturday 18

Waning Crescent 4%

05:11

17:08

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

Sun - Rise: 07:31, Set: 18:01, Transit: 12:46. Moon - Rise: 05:11, Set: 17:08. Civil Dark: 18:34 - 06:58. Nautical Dark: 19:12 - 06:21. Astro Dark: 19:49 - 05:43

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
49
51
47
22
17
20
39
14
56
67
90
97
97
96
96
97

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
19
18
3
0
2
1
37
30
21
19
32
46
80
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
25
25
23
12
11
15
24
11
32
46
76
91
81
67
54
70

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
6
11
2
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
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)

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

Chance of Frost

Temperature (°C)

5
4
4
4
3
3
2
2
2
1
1
1
2
4
6
8
10
11
11
11
11
9
8
7

Feels Like (°C)

5
4
3
3
3
3
2
2
1
1
0
0
0
2
4
5
7
7
7
6
7
5
4
3

Dew Point (°C)

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

Relative Humidity (%)

65
66
67
69
71
74
76
79
81
83
84
83
74
64
56
49
43
40
38
38
45
52
54
55

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1025
1023
1022
1021
1020
1019
1019
1019
1019

Ozone (du)

296
294
292
289
288
288
290
291
291
289
289
289
290
291
289
287
285
282
279
275
272
274
275
276

Sunday 19

Waning Crescent 1%

06:21

17:20

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:33, Set: 17:59, Transit: 12:46. Moon - Rise: 06:21, Set: 17:20. Civil Dark: 18:32 - 07:00. Nautical Dark: 19:10 - 06:22. Astro Dark: 19:48 - 05:45

Total Clouds (% Sky Obscured)

96
80
92
96
100
99
100
99
100
100
100
97
94
91
94
97
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
12
24
38
38

Medium Clouds (% Sky Obscured)

93
80
86
87
90
90
53
83
87
86
83
78
87
89
89
88
87
86
83
85
90
91
100
100

High Clouds (% Sky Obscured)

84
80
91
91
80
71
97
96
97
99
100
82
62
44
60
80
100
100
100
100
85
71
57
70

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
1
3
6
13
17
15
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
1
-0
-1
-1
-1
-1
-1
-1
-2
0
1
3
3
5
5
5
6
6
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

55
58
63
66
64
67
69
72
72
72
72
73
66
56
49
45
44
43
42
44
48
52
55
58

Pressure (mb)

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

Ozone (du)

274
274
274
273
273
272
273
274
273
274
273
272
273
274
273
273
273
273
274
273
270
269
269
271

Monday 20

Waning Crescent 0%

07:32

17:33

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:34, Set: 17:58, Transit: 12:46. Moon - Rise: 07:32, Set: 17:33. Civil Dark: 18:31 - 07:01. Nautical Dark: 19:08 - 06:24. Astro Dark: 19:46 - 05:46

Total Clouds (% Sky Obscured)

95
95
99
100
99
93
86
80
78
77
76
87
71
55
65
76
88
82
76
69
78
88
98
95

Low Clouds (% Sky Obscured)

33
31
25
19
14
14
15
13
11
28
7
11
10
9
12
16
19
18
16
15
32
49
65
48

Medium Clouds (% Sky Obscured)

89
86
74
64
84
87
80
75
72
71
71
85
71
55
65
73
82
77
72
64
75
86
98
94

High Clouds (% Sky Obscured)

82
95
95
91
87
63
39
20
25
30
50
86
71
55
42
23
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
9
9
9
9
8
6
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
None
None
None
None

Precipitation Probability (%)

16
4
3
1
0
1
1
1
7
10
11
5
2
0
1
2
1
5
7
6
8
13
19
25

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

Chance of Frost

Temperature (°C)

8
8
7
7
6
6
6
5
5
5
5
5
7
8
10
12
14
16
16
16
15
14
13
12

Feels Like (°C)

5
4
4
3
2
3
2
2
2
2
2
2
3
4
4
5
5
5
15
14
14
14
13
13

Dew Point (°C)

0
0
-0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-1
-0
0
2
4
5
6
7
7
7
8
8

Relative Humidity (%)

56
58
59
59
60
61
61
61
61
61
62
61
57
55
51
50
49
48
51
54
57
62
68
72

Pressure (mb)

1009
1008
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1006
1005
1005
1005
1004
1004
1005
1005
1005

Ozone (du)

272
273
274
275
276
276
280
282
282
283
284
286
288
290
292
291
291
291
293
294
296
295
295
294

Tuesday 21

New Moon 1%

08:43

17:48

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

Sun - Rise: 07:36, Set: 17:56, Transit: 12:46. Moon - Rise: 08:43, Set: 17:48. Civil Dark: 18:29 - 07:03. Nautical Dark: 19:06 - 06:25. Astro Dark: 19:44 - 05:48

Total Clouds (% Sky Obscured)

91
86
88
88
89
79
70
60
58
53
49
39
31
23
39
62
86
85
85
77
81
88
95
91

Low Clouds (% Sky Obscured)

33
24
28
32
41
36
31
27
19
11
3
5
9
14
20
28
36
30
24
18
19
18
18
23

Medium Clouds (% Sky Obscured)

91
86
88
88
89
77
61
43
38
34
31
27
25
23
38
51
63
72
80
77
81
83
69
56

High Clouds (% Sky Obscured)

0
0
14
27
36
29
25
23
39
51
49
39
24
3
33
62
86
61
31
5
25
48
68
48

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
31
28
24
24
19
16
2
8
8
3
2
1
0
0
0
0
7
9
4
13
22
30
38

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
9
9
7
7
7
7
7
7
8
8
9
10
11
12
16
16
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
78
80
80
80
81
82
82
85
87
78
73
67
61
56
51
54
58
59
63
69
74

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

296
298
299
301
303
306
304
303
302
302
303
303
303
304
305
305
304
304
301
298
295
294
293
291

Wednesday 22

Waxing Crescent 4%

09:55

18:08

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

Sun - Rise: 07:38, Set: 17:54, Transit: 12:46. Moon - Rise: 09:55, Set: 18:08. Civil Dark: 18:27 - 07:04. Nautical Dark: 19:05 - 06:27. Astro Dark: 19:42 - 05:49

Total Clouds (% Sky Obscured)

88
82
85
89
93
95
95
97
96
96
95
86
74
64
74
86
99

Low Clouds (% Sky Obscured)

30
37
49
61
69
63
61
56
54
51
49
39
29
18
12
7
3

Medium Clouds (% Sky Obscured)

52
49
52
56
59
68
76
86
84
81
76
63
52
41
41
43
40

High Clouds (% Sky Obscured)

28
11
19
24
32
28
20
4
13
19
29
19
10
0
34
67
99

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

Precipitation Probability (%)

45
50
41
36
28
29
27
27
36
43
47
40
30
8
20
25
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
13
13
14
13
13
13
13
13
13
14
16
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
69
65
62
58
62
65
69
67
67
66
64
64
62
58
55

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1006
1006
1006
1006
1006
1005
1005

Ozone (du)

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

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 16/10/25 21:51:45. Forecast: 16/10/25 to 22/10/25. Timezone: UTC+2.00