Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 12%

10:27

19:20

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:57, Set: 16:02, Transit: 11:59. Moon - Rise: 10:27, Set: 19:20. Civil Dark: 16:40 - 07:19. Nautical Dark: 17:22 - 06:37. Astro Dark: 18:01 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
93
100
100
100
100
100
100
100
100
100
100
100
98
96
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
88
83

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
8
25
9
6
26

High Clouds (% Sky Obscured)

4
3
3
2
2
0
0
0
2
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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
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
18
15
11
12
16
19
14
9

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
8
8
8
7
8
8
7
6
7
8
8
8
7
7
8
11
12
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
89
88
91
91
92
92
91
89
87
87
87
82
83
83
84
83
81
78
78
78
78
77

Pressure (mb)

1017
1017
1018
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1023
1023
1024

Ozone (du)

340
340
346
350
354
357
360
361
365
365
368
372
380
379
382
380
377
374
368
371
370
379
382
383

Wednesday 24

Waxing Crescent 19%

10:46

20:37

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 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Good
23 Good

Sun - Rise: 07:57, Set: 16:03, Transit: 12:00. Moon - Rise: 10:46, Set: 20:37. Civil Dark: 16:41 - 07:19. Nautical Dark: 17:23 - 06:37. Astro Dark: 18:02 - 05:58

Total Clouds (% Sky Obscured)

92
74
81
86
88
90
93
91
95
94
89
77
33
27
25
22
26
22
19
24
17
16
13
7

Low Clouds (% Sky Obscured)

82
57
59
72
79
82
88
80
81
76
65
64
33
27
25
22
26
22
19
21
17
16
13
2

Medium Clouds (% Sky Obscured)

54
62
25
25
30
30
30
30
30
30
30
12
3
1
2
0
9
2
2
22
5
0
0
1

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 (%)

8
7
4
3
5
7
2
4
4
4
1
1
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)

13
13
13
12
12
13
14
14
14
16
16
17
17
17
17
17
16
16
15
14
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
81
79
78
79
78
76
74
72
71
68
65
63
62
63
65
64
62
62
62
61
62
61

Pressure (mb)

1024
1024
1025
1025
1025
1025
1026
1026
1027
1027
1028
1028
1029
1028
1029
1029
1029
1030
1030
1031
1031
1031
1032
1032

Ozone (du)

389
397
400
401
401
399
397
394
393
393
386
383
380
378
377
375
372
370
369
371
368
370
369
371

Thursday 25

Waxing Crescent 28%

11:01

21:53

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

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)

18
7
6
2
6
2
2
2
2
2
3
3
3
3
3
4
4
5
11
4
5
8
8
11

Low Clouds (% Sky Obscured)

18
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
6
2
2
2
2
2

Medium Clouds (% Sky Obscured)

7
1
2
0
6
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
2
4
6
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
62
62
61
61
62
63
63
63
62
57
54
54
52
52
55
61
65
68
68
69
72
73
74

Pressure (mb)

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

Ozone (du)

375
378
377
380
385
389
387
380
368
365
362
360
357
355
355
355
351
345
340
335
333
326
321
317

Friday 26

Waxing Crescent 38%

11:15

23:09

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

14
14
16
17
65
74
40
65
65
75
70
69
67
38
8
7
8
11
21
45
33
37
18
36

Low Clouds (% Sky Obscured)

2
2
2
2
4
3
2
2
1
1
0
0
0
0
0
0
0
0
5
20
13
19
5
10

Medium Clouds (% Sky Obscured)

0
0
0
0
6
29
3
3
6
42
31
49
48
20
7
7
8
11
18
13
6
0
0
0

High Clouds (% Sky Obscured)

11
12
14
11
65
74
32
65
65
70
70
64
42
25
0
0
0
0
0
0
3
1
5
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
77
79
79
80
81
79
78
70
65
62
60
60
64
68
65
63
57
51
48
44
46

Pressure (mb)

1033
1033
1033
1033
1032
1032
1032
1032
1033
1033
1033
1033
1032
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033

Ozone (du)

314
308
303
302
301
302
301
299
298
297
295
293
292
291
290
290
291
291
293
295
296
298
298
297

Saturday 27

First Quarter 49%

11:28

No Set

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

Sun - Rise: 07:58, Set: 16:05, Transit: 12:01. Moon - Rise: 11:28, Set: No Set. Civil Dark: 16:43 - 07:20. Nautical Dark: 17:25 - 06:38. Astro Dark: 18:04 - 05:59

Total Clouds (% Sky Obscured)

36
40
33
30
30
35
35
30
40
40
40
40
29
11
0
0
2
29
5
12
55
55
55
55

Low Clouds (% Sky Obscured)

13
11
19
25
25
30
30
30
30
35
35
35
29
11
0
0
0
0
0
10
50
49
50
50

Medium Clouds (% Sky Obscured)

0
0
1
12
19
12
4
16
2
1
7
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
40
33
25
10
4
4
5
7
30
18
0
0
0
0
0
1
16
2
1
15
35
45
50

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-11
-11
-10
-10
-9
-9
-9
-7
-6
-5
-5
-5
-4
-4
-4
-5
-4
-2
-2
-2

Relative Humidity (%)

47
47
49
48
49
51
53
54
56
58
59
64
65
65
65
67
73
77
77
72
77
84
84
86

Pressure (mb)

1033
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1029
1028
1027
1027
1026
1026
1025
1025
1026
1026
1026
1026

Ozone (du)

298
298
297
293
290
290
289
289
288
287
287
292
293
294
292
292
294
296
295
294
296
297
299
303

Sunday 28

Waxing Gibbous 61%

11:42

00:28

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 OK
18 OK
19 OK
20 OK
21 OK
22 Good
23 Good

Sun - Rise: 07:58, Set: 16:06, Transit: 12:02. Moon - Rise: 11:42, Set: 00:28. Civil Dark: 16:44 - 07:20. Nautical Dark: 17:25 - 06:39. Astro Dark: 18:05 - 05:59

Total Clouds (% Sky Obscured)

55
64
73
76
81
85
91
93
96
99
91
84
75
73
73
71
54
37
21
22
20
20
15
9

Low Clouds (% Sky Obscured)

50
61
72
76
81
85
91
93
96
99
91
83
75
73
72
70
53
37
21
22
20
20
14
8

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)

3
3
2
2
1
1
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
8
7
6
7
8
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 (%)

3
9
10
9
12
13
13
13
13
11
10
7
2
2
2
0
1
1
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
10
10
11
12
12
11
11
11
10
11
11
11
11
10
10
9
8
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
75
78
81
81
82
82
79
76
74
68
64
60
63
66
69
72
75
79
79
78
78
78

Pressure (mb)

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

Ozone (du)

308
311
310
309
308
308
308
308
312
315
319
318
318
317
314
312
309
308
306
305
305
305
305
303

Monday 29

Waxing Gibbous 72%

11:59

01:50

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 OK
08 OK
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

Sun - Rise: 07:58, Set: 16:07, Transit: 12:02. Moon - Rise: 11:59, Set: 01:50. Civil Dark: 16:45 - 07:20. Nautical Dark: 17:26 - 06:39. Astro Dark: 18:05 - 05:59

Total Clouds (% Sky Obscured)

3
2
3
2
2
2
1
21
40
60
64
59
58
54
65
71
71
71
62
61
61
65
71
81

Low Clouds (% Sky Obscured)

2
1
1
1
0
0
0
21
40
60
64
59
58
54
65
71
69
61
55
58
61
65
71
81

Medium Clouds (% Sky Obscured)

0
1
1
2
1
1
0
0
0
0
0
0
0
8
17
26
17
6
1
1
0
0
3
5

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
Snow
Snow
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
1
4
6
7
10
12
13
21
28
36
31
25
16
15
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
7
7
8
10
11
11
12
13
14
14
14
13
11
10
11
11
12
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-6
-3
-4
-4
-4
-4
-4
-5
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

78
76
75
73
72
69
66
63
59
54
50
49
49
50
53
54
58
62
65
70
71
74
75
78

Pressure (mb)

1028
1028
1027
1026
1026
1025
1024
1023
1023
1022
1022
1021
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019

Ozone (du)

301
299
298
297
295
295
294
293
295
296
298
299
300
302
301
301
301
302
304
306
307
308
309
311

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

Generated: 23/12/25 13:29:50. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+1.00