Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

11:01

21:53

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
21 Good
22 Good
23 OK
00 Bad
01 Good
02 OK
03 OK
04 Bad

Sun - Rise: 07:57, Set: 16:03, Transit: 12:00. Moon - Rise: 11:01, Set: 21:53. Civil Dark: 16:42 - 07:19. Nautical Dark: 17:23 - 06:38. Astro Dark: 18:03 - 05:58

Total Clouds (% Sky Obscured)

59
53
47
33
30
27
26
24
11
3
3
4
4
3
3
3
4
7
20
50
16
37
28
70

Low Clouds (% Sky Obscured)

41
40
43
33
30
27
26
24
11
0
0
0
0
0
0
1
1
1
1
1
1
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
19
50
12
36
23
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
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
5
6
8
8
8
9
9
9
9
8
6
6
6
5
5
5
4
4
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-12
-13
-13
-13
-13
-13
-12
-12
-11
-11
-10
-10
-10
-9
-9
-8
-9
-9
-9
-9
-9
-9
-8

Relative Humidity (%)

53
55
56
57
55
52
48
48
48
48
52
56
59
61
63
65
69
69
69
72
73
74
74
77

Pressure (mb)

1033
1032
1033
1033
1034
1034
1034
1033
1032
1032
1032
1032
1032
1032
1033
1032
1033
1033
1033
1033
1033
1033
1033
1032

Ozone (du)

381
383
385
383
380
380
376
372
367
362
358
356
354
347
342
331
326
323
319
316
311
303
304
305

Friday 26

Waxing Crescent 38%

11:15

23:09

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

Sun - Rise: 07:58, Set: 16:04, Transit: 12:01. Moon - Rise: 11:15, Set: 23:09. Civil Dark: 16:42 - 07:20. Nautical Dark: 17:24 - 06:38. Astro Dark: 18:03 - 05:59

Total Clouds (% Sky Obscured)

71
76
71
74
72
74
86
52
19
16
14
2
2
1
6
4
3
13
14
16
18
15
18
20

Low Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
16
18
15
18
20

Medium Clouds (% Sky Obscured)

0
3
28
38
14
2
36
21
18
15
14
2
2
0
5
0
0
13
14
16
11
0
0
0

High Clouds (% Sky Obscured)

71
71
70
74
72
74
86
46
4
4
0
0
0
0
3
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
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)

2
2
2
1
1
2
1
2
2
2
2
2
2
3
3
3
3
3
3
3
3
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-9
-9
-9
-9
-8
-7
-7
-8
-8
-9
-10
-11
-12
-13
-13
-13
-13
-12
-12

Relative Humidity (%)

77
77
79
77
73
66
62
58
55
56
62
67
67
65
63
58
53
48
46
45
46
47
50
52

Pressure (mb)

1032
1032
1032
1032
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

305
305
305
306
304
301
298
295
294
292
289
288
288
288
289
288
286
286
285
285
285
285
286
285

Saturday 27

First Quarter 49%

11:28

00:28

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

Sun - Rise: 07:58, Set: 16:05, Transit: 12:01. Moon - Rise: 11:28, Set: 00:28. Civil Dark: 16:43 - 07:20. Nautical Dark: 17:25 - 06:38. Astro Dark: 18:04 - 05:59

Total Clouds (% Sky Obscured)

23
25
30
33
21
3
22
40
44
48
36
22
4
40
62
100
100
85
98
97
64
29
21
26

Low Clouds (% Sky Obscured)

23
25
30
33
21
1
22
40
44
48
36
22
4
40
62
100
100
85
97
94
64
29
21
26

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)

2
0
0
0
0
0
0
0
0
0
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
9
9
9
7
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
1
17
16
14
5
13
0
3
13
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
2
3
3
3
3
3
4
5
7
5
5
5
6
8
9
9
10
10
10
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
60
64
66
67
65
63
63
63
67
73
81
84
86
84
88
89
88
91
86
77
84
87
86

Pressure (mb)

1032
1032
1032
1032
1032
1031
1031
1030
1028
1027
1027
1027
1026
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1030

Ozone (du)

285
285
286
286
287
287
286
285
285
284
284
287
287
288
288
289
288
288
290
292
294
293
294
297

Sunday 28

Waxing Gibbous 61%

11:42

01:50

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

Sun - Rise: 07:58, Set: 16:06, Transit: 12:02. Moon - Rise: 11:42, Set: 01:50. Civil Dark: 16:44 - 07:20. Nautical Dark: 17:25 - 06:39. Astro Dark: 18:05 - 05:59

Total Clouds (% Sky Obscured)

31
38
37
33
28
26
25
23
16
9
0
0
0
0
0
0
0
0
0
0
0
0
0
15

Low Clouds (% Sky Obscured)

31
38
37
33
28
26
25
23
16
9
0
0
0
0
0
0
0
0
0
0
0
0
0
15

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)

0
0
0
0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-6
-6
-6
-6
-6
-5
-5
-5
-5
-4
-5
-5
-5
-6
-5
-6
-6
-7
-7
-7
-6
-7

Dew Point (°C)

-4
-5
-7
-6
-7
-8
-8
-8
-8
-9
-9
-8
-8
-8
-8
-9
-8
-9
-10
-12
-12
-12
-13
-13

Relative Humidity (%)

81
78
73
72
68
63
60
57
55
53
54
60
62
63
64
64
64
60
56
50
46
42
40
40

Pressure (mb)

1030
1030
1030
1031
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1030
1029
1029
1028
1027
1026
1024
1024
1023
1022

Ozone (du)

297
298
297
296
297
301
303
302
301
297
296
294
294
292
289
288
287
286
285
285
285
285
286
286

Monday 29

Waxing Gibbous 72%

11:59

03:16

05 OK
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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:58, Set: 16:07, Transit: 12:02. Moon - Rise: 11:59, Set: 03:16. Civil Dark: 16:45 - 07:20. Nautical Dark: 17:26 - 06:39. Astro Dark: 18:05 - 05:59

Total Clouds (% Sky Obscured)

32
56
63
69
69
68
93
100
100
100
100
100
100
100
96
92
88
76
64
50
55
63
74
75

Low Clouds (% Sky Obscured)

32
54
59
61
62
63
88
100
100
100
100
100
100
99
96
92
88
76
64
50
55
63
70
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
15
30
40
33
17
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
2
2
3
2
8
8
2
3
3
5
3
3
2
1
0
1
2
3
2
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
6
7
9
10
11
11
13
16
21
36
33
26
24
20
14
11
9
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-5
-5
-5
-5
-5
-6
-6
-6
-5
-5
-5
-5
-5
-5
-6
-6
-5
-7
-7
-7

Dew Point (°C)

-12
-11
-10
-8
-8
-7
-6
-5
-4
-3
-3
-3
-3
-2
-2
-2
-3
-3
-4
-4
-5
-5
-6
-6

Relative Humidity (%)

42
46
50
56
59
60
62
65
71
77
77
78
76
77
77
77
76
75
74
73
71
70
70
70

Pressure (mb)

1022
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

286
287
288
288
289
291
292
294
294
291
291
291
293
295
296
299
301
304
299
293
288
285
283
280

Tuesday 30

Waxing Gibbous 82%

12:21

04:46

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:58, Set: 16:08, Transit: 12:03. Moon - Rise: 12:21, Set: 04:46. Civil Dark: 16:46 - 07:20. Nautical Dark: 17:27 - 06:39. Astro Dark: 18:06 - 06:00

Total Clouds (% Sky Obscured)

78
79
82
86
93
84
75
66
64
62
61
72
82
90
88
86
84
79
77
76
76
77
79
80

Low Clouds (% Sky Obscured)

75
73
65
56
49
53
60
65
63
60
59
69
79
87
84
83
80
78
76
72
74
75
78
77

Medium Clouds (% Sky Obscured)

1
1
11
18
27
17
14
9
7
4
3
16
25
29
18
7
2
1
1
2
0
0
0
20

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
6
4
6
8
9
9
9
9
6
3
0
0
0
0
3
6
9
7
4
1

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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

12
11
13
14
14
28
36
40
31
24
22
19
17
17
24
27
29
30
32
34
33
31
28
43

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

14
15
15
14
14
13
13
13
14
14
13
13
14
14
15
15
16
16
17
18
18
18
19
19

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1

Feels Like (°C)

-8
-7
-7
-9
-9
-9
-9
-9
-8
-6
-6
-7
-6
-6
-6
-9
-9
-9
-8
-9
-8
-8
-8
-9

Dew Point (°C)

-7
-7
-7
-6
-6
-6
-6
-7
-7
-8
-8
-9
-6
-5
-3
-4
-3
-4
-4
-4
-5
-5
-4
-4

Relative Humidity (%)

69
71
71
72
74
75
70
64
60
60
60
59
70
79
92
91
89
89
84
80
74
75
78
80

Pressure (mb)

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

Ozone (du)

283
287
290
298
306
314
316
318
320
325
329
334
343
352
361
358
356
353
351
349
347
349
351
353

Wednesday 31

Waxing Gibbous 90%

12:50

No Set

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:58, Set: 16:09, Transit: 12:03. Moon - Rise: 12:50, Set: No Set. Civil Dark: 16:47 - 07:20. Nautical Dark: 17:28 - 06:39. Astro Dark: 18:07 - 06:00

Total Clouds (% Sky Obscured)

82
83
74
65
58
51
45
38
50
62
73
78
84
91
89
88
89
92
96
100

Low Clouds (% Sky Obscured)

76
75
70
64
58
50
42
33
40
47
55
52
48
40
49
54
61
62
63
67

Medium Clouds (% Sky Obscured)

35
48
31
15
1
4
6
8
22
37
51
65
65
61
65
68
77
84
92
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
67
100

ISS Passover

Visibility (miles)

4
7
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

Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

50
53
45
41
42
36
32
28
24
21
17
17
16
15
17
17
9
24
30
35

Precipitation Amount (mm)

0.2
0.2
0.1
0.1
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

17
15
13
13
14
14
14
14
14
13
12
10
10
9
9
9
9
9
9
10

Chance of Frost

Temperature (°C)

-2
-3
-3
-3
-3
-3
-3
-2
-1
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4

Feels Like (°C)

-9
-9
-8
-11
-10
-10
-9
-9
-8
-7
-7
-7
-8
-8
-8
-9
-9
-9
-9
-9

Dew Point (°C)

-5
-6
-7
-8
-8
-8
-9
-9
-9
-9
-9
-8
-8
-8
-7
-7
-7
-7
-7
-7

Relative Humidity (%)

76
75
73
71
69
68
62
58
54
57
62
67
69
72
76
78
79
81
81
81

Pressure (mb)

1017
1018
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1016

Ozone (du)

355
356
357
359
361
362
363
364
365
363
362
360
363
367
370
370
369
369
369
369

Forecast for Konojedy, Okres Praha-východ, Czech Republic (49.95,14.85)

Generated: 25/12/25 05:09:25. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+1.00