Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 15

Waning Crescent 15%

05:21

13:44

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:12, Set: 18:07, Transit: 12:10. Moon - Rise: 05:21, Set: 13:44. Civil Dark: 18:39 - 05:39. Nautical Dark: 19:17 - 05:02. Astro Dark: 19:56 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
98
93
96
100
98
99
99
100
100
100
99
79
74
72

Low Clouds (% Sky Obscured)

84
83
87
89
90
97
85
85
78
77
64
63
66
65
67
73
87
85
88
86
58
63
19
23

Medium Clouds (% Sky Obscured)

91
79
80
98
96
91
96
81
84
96
64
53
81
98
85
90
96
100
100
86
57
42
35
2

High Clouds (% Sky Obscured)

100
100
99
100
100
99
99
100
100
65
72
23
7
54
45
3
55
100
100
100
87
34
65
69

ISS Passover

Visibility (miles)

6
6
6
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 (%)

26
21
15
9
19
12
16
16
14
10
6
6
5
14
19
27
24
30
38
37
22
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
87
85
82
81
77
70
70
75
76
79
80
79
79
83
85
85
83
83
88
88
82

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

433
440
445
448
454
462
467
469
472
476
481
485
489
493
498
500
495
479
461
446
441
429
418
411

Monday 16

Waning Crescent 8%

05:37

15:03

08 Bad
09 Bad
10 OK
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
05 Bad
06 OK
07 OK

Sun - Rise: 06:09, Set: 18:08, Transit: 12:10. Moon - Rise: 05:37, Set: 15:03. Civil Dark: 18:40 - 05:37. Nautical Dark: 19:18 - 04:59. Astro Dark: 19:57 - 04:20

Total Clouds (% Sky Obscured)

98
48
37
100
100
93
98
100
69
66
79
72
62
88
97
98
100
55
59
61
45
43
44
36

Low Clouds (% Sky Obscured)

9
19
21
81
84
83
68
81
39
55
62
52
44
55
56
42
34
29
15
17
7
7
6
2

Medium Clouds (% Sky Obscured)

55
48
37
92
100
83
93
74
43
10
56
45
40
28
52
47
50
7
1
35
34
40
31
14

High Clouds (% Sky Obscured)

75
13
4
67
2
8
3
3
0
0
0
0
5
75
22
59
74
55
59
58
7
43
5
36

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
9
38
28
50
58
36
49
55
12
4
1
1
1
2
1
2
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
13
13
15
16
17
17
17
18
14
13
10
9
10
10
9
9
8
7
6
5
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
60
52
46
48
49
53
63
69
69
79
80
80
79
80
80
82
83
86
89
89
88
86
86

Pressure (mb)

1017
1017
1016
1016
1015
1015
1015
1016
1016
1017
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1024

Ozone (du)

405
404
409
408
406
407
412
411
414
417
416
417
413
408
407
405
406
403
401
398
397
395
393
394

Tuesday 17

Waning Crescent 3%

05:51

16:22

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

Sun - Rise: 06:07, Set: 18:10, Transit: 12:10. Moon - Rise: 05:51, Set: 16:22. Civil Dark: 18:42 - 05:35. Nautical Dark: 19:20 - 04:57. Astro Dark: 19:59 - 04:18

Total Clouds (% Sky Obscured)

50
58
49
42
40
49
63
63
53
50
50
20
13
17
16
7
12
37
4
3
0
0
6
8

Low Clouds (% Sky Obscured)

16
6
27
30
14
34
54
57
45
41
29
11
4
7
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
2
1
2
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
58
40
26
31
38
18
60
27
50
50
16
9
12
16
6
12
35
2
2
0
0
2
2

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
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
69
63
56
51
47
44
42
41
45
53
57
58
62
63
64
68
68
70
70
73
74
75
74

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1026
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1030

Ozone (du)

396
392
390
390
390
388
387
387
388
387
386
386
385
386
387
389
390
392
393
392
392
389
387
383

Wednesday 18

Waning Crescent 1%

06:05

17:43

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

Sun - Rise: 06:05, Set: 18:11, Transit: 12:09. Moon - Rise: 06:05, Set: 17:43. Civil Dark: 18:44 - 05:33. Nautical Dark: 19:22 - 04:55. Astro Dark: 20:01 - 04:15

Total Clouds (% Sky Obscured)

18
29
24
10
10
15
7
9
10
15
20
17
15
8
26
52
42
32
23
13
27
38
44
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
10
16
11
5
0
0
0
0
0
0
0
4
9
14
10

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
1
1
1
2
1
14
29
42
32
23
13
25
37
44
34

High Clouds (% Sky Obscured)

5
7
6
5
5
10
2
6
2
2
2
5
6
6
15
30
13
8
5
0
2
3
5
3

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

Chance of Frost

Temperature (°C)

3
5
7
8
10
11
12
12
13
12
10
8
7
6
6
5
5
4
4
3
3
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
57
51
45
40
38
36
34
34
39
48
60
65
70
72
75
75
75
77
77
80
82
81
78

Pressure (mb)

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

Ozone (du)

382
380
378
377
375
375
374
373
373
372
372
371
370
369
369
370
371
371
370
370
371
371
371
369

Thursday 19

New Moon 0%

06:19

19:05

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

Sun - Rise: 06:03, Set: 18:13, Transit: 12:09. Moon - Rise: 06:19, Set: 19:05. Civil Dark: 18:45 - 05:31. Nautical Dark: 19:23 - 04:52. Astro Dark: 20:03 - 04:13

Total Clouds (% Sky Obscured)

28
18
12
6
2
1
1
4
24
57
74
74
56
38
41
44
41
45
54
69
82
92
100
98

Low Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
0
0
3
2
0
0
0
0
3
7
10
17
26
34
43

Medium Clouds (% Sky Obscured)

28
18
12
6
0
0
0
0
0
0
0
13
6
0
0
1
1
18
30
59
71
77
79
78

High Clouds (% Sky Obscured)

1
0
1
2
2
1
1
2
19
44
71
67
56
38
41
44
41
45
54
69
55
47
58
68

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
1
19

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

Chance of Frost

Temperature (°C)

4
6
8
10
11
13
13
13
13
12
10
9
8
7
7
6
6
5
5
4
3
3
3
3

Feels Like (°C)

4
6
9
10
11
13
13
12
12
11
8
7
6
5
5
4
4
4
2
1
1
1
1
0

Dew Point (°C)

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

Relative Humidity (%)

71
64
58
54
49
45
43
40
41
44
50
51
52
53
55
56
58
59
60
62
63
65
67
68

Pressure (mb)

1026
1026
1025
1025
1024
1022
1021
1021
1020
1019
1019
1019
1020
1019
1019
1019
1018
1018
1017
1016
1016
1016
1015
1015

Ozone (du)

367
366
363
362
359
356
356
357
355
355
358
360
361
363
365
369
373
378
382
387
392
395
397
400

Friday 20

Waxing Crescent 3%

06:36

20:29

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:01, Set: 18:15, Transit: 12:09. Moon - Rise: 06:36, Set: 20:29. Civil Dark: 18:47 - 05:28. Nautical Dark: 19:25 - 04:50. Astro Dark: 20:05 - 04:10

Total Clouds (% Sky Obscured)

95
92
95
97
100
96
93
90
92
94
94
93
91
87
89
93
100
87
73
64
69
72
81
74

Low Clouds (% Sky Obscured)

43
39
40
40
45
51
56
66
64
64
65
63
49
50
41
26
15
15
20
30
40
50
55
57

Medium Clouds (% Sky Obscured)

90
92
95
97
100
76
53
29
23
23
36
48
57
57
71
85
99
82
66
49
33
17
1
2

High Clouds (% Sky Obscured)

54
34
53
71
80
63
50
43
32
16
0
0
0
0
33
67
100
71
46
28
36
41
47
42

ISS Passover

Visibility (miles)

7
4
2
3
4
4
6
8
9
9
9
9
9
9
9
7
5
2
1
1
0
3
6
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 (%)

30
41
39
35
28
27
24
20
19
20
23
23
23
23
26
25
23
28
34
39
31
21
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
6
8
8
8
8
8
8
8
7
7
7
6
6
6
5
5
6
5
5
5
6
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
83
91
90
88
88
88
88
88
88
88
88
88
88
88
89
91
93
94
96
98
93
88
83

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

405
410
415
421
426
432
433
435
437
437
437
437
437
438
438
433
428
423
415
407
399
391
384
377

Saturday 21

Waxing Crescent 8%

06:57

21:57

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 OK
21 OK
22 OK
23 Good
00 Good

Sun - Rise: 05:58, Set: 18:16, Transit: 12:08. Moon - Rise: 06:57, Set: 21:57. Civil Dark: 18:49 - 05:26. Nautical Dark: 19:27 - 04:48. Astro Dark: 20:07 - 04:08

Total Clouds (% Sky Obscured)

69
70
63
57
48
64
80
96
83
68
54
50
41
26
19
11
2

Low Clouds (% Sky Obscured)

55
57
46
36
24
33
44
51
36
21
6
5
3
1
1
0
0

Medium Clouds (% Sky Obscured)

3
3
5
6
8
24
50
75
83
68
54
50
34
16
9
5
0

High Clouds (% Sky Obscured)

29
16
21
26
33
49
68
95
83
68
54
50
36
4
4
3
2

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
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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
14
16
17
17
19
18
17
16
15
14
14
14
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
0

Relative Humidity (%)

75
70
64
60
55
51
51
50
49
52
55
58
62
64
69
70
71

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1009
1010
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

382
388
393
399
405
411
411
411
411
420
429
438
441
443
446
446
445

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

Generated: 15/03/26 08:45:19. Forecast: 15/03/26 to 21/03/26. Timezone: UTC+1.00