Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 15

Waning Crescent 8%

05:21

15:03

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: 06:12, Set: 18:08, Transit: 12:10. Moon - Rise: 05:21, Set: 15:03. Civil Dark: 18:40 - 05:39. Nautical Dark: 19:18 - 05:02. Astro Dark: 19:57 - 04:22

Total Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
100
49
80
99
61
94
97
76
61
98
80
100
87
74
68

Low Clouds (% Sky Obscured)

91
80
79
76
82
84
81
79
73
56
45
25
26
32
94
58
46
39
54
35
48
49
47
17

Medium Clouds (% Sky Obscured)

49
55
72
87
99
100
94
98
100
67
0
79
89
56
63
92
58
60
95
68
100
76
53
49

High Clouds (% Sky Obscured)

6
8
7
6
4
31
98
100
100
100
25
37
78
1
2
65
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
7
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

23
37
26
29
39
41
21
27
19
5
1
0
0
1
6
25
34
53
56
69
29
28
21
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
1
2
3
6
7
7
9
10
12
14
15
16
17
17
17
18
16
14
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
83
85
85
88
88
79
82
78
76
71
64
57
54
53
53
55
52
52
82
72
71
71

Pressure (mb)

1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1017
1018
1019

Ozone (du)

496
498
499
494
481
461
446
436
422
416
410
405
404
401
408
410
412
416
417
414
415
419
421
419

Monday 16

Waning Crescent 3%

05:37

16:22

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 Good
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 OK
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 06:09, Set: 18:10, Transit: 12:10. Moon - Rise: 05:37, Set: 16:22. Civil Dark: 18:42 - 05:37. Nautical Dark: 19:20 - 04:59. Astro Dark: 19:59 - 04:20

Total Clouds (% Sky Obscured)

73
75
76
68
60
65
65
62
60
49
52
38
41
13
33
40
69
81
59
27
4
3
7
0

Low Clouds (% Sky Obscured)

24
10
37
40
30
35
40
34
33
11
10
2
8
13
32
19
45
37
32
15
2
1
6
0

Medium Clouds (% Sky Obscured)

45
47
44
35
45
40
24
0
0
48
47
38
0
0
33
17
17
34
6
0
0
0
5
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
30
9
35
1
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 (%)

7
2
1
1
1
2
2
3
11
0
0
1
2
5
8
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
73
73
72
73
77
79
80
84
83
83
73
67
60
54
49
44
40
37
36
38
50
54
57

Pressure (mb)

1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1023
1024
1024

Ozone (du)

421
424
426
426
422
421
419
419
417
415
416
417
418
419
419
419
419
418
418
417
416
416
415
416

Tuesday 17

Waning Crescent 1%

05:51

17:43

21 Good
22 Good
23 Good
00 Good
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 OK
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 06:07, Set: 18:11, Transit: 12:09. Moon - Rise: 05:51, Set: 17:43. Civil Dark: 18:44 - 05:35. Nautical Dark: 19:22 - 04:57. Astro Dark: 20:01 - 04:18

Total Clouds (% Sky Obscured)

0
0
0
0
1
3
5
5
4
4
5
6
4
3
6
5
3
11
16
8
4
4
3
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
1
2
2
2
3
4
2
2
4
4
3
11
16
7
3
2
2
2

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)

5
5
4
3
2
3
4
3
4
4
4
5
5
8
10
14
14
14
13
13
11
10
8
7

Chance of Frost

Temperature (°C)

5
4
3
3
2
2
2
2
2
2
2
3
5
7
9
11
12
12
13
13
12
10
8
7

Feels Like (°C)

3
3
2
2
1
1
-0
0
-1
0
1
2
3
5
7
7
7
8
8
8
9
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

61
63
65
67
69
69
70
71
73
74
73
67
61
61
56
50
45
43
43
47
52
57
65
69

Pressure (mb)

1025
1025
1026
1026
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1028
1028
1028
1027
1027
1026
1027
1027
1028
1028

Ozone (du)

417
421
428
427
428
427
424
420
415
412
408
409
408
408
406
405
406
406
408
410
412
419
421
426

Wednesday 18

Waning Crescent 0%

06:05

19:05

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

Sun - Rise: 06:05, Set: 18:13, Transit: 12:09. Moon - Rise: 06:05, Set: 19:05. Civil Dark: 18:45 - 05:33. Nautical Dark: 19:23 - 04:55. Astro Dark: 20:03 - 04:15

Total Clouds (% Sky Obscured)

4
4
3
3
3
3
4
4
4
2
18
30
48
80
86
88
68
45
24
26
30
25
33
65

Low Clouds (% Sky Obscured)

2
2
2
1
2
2
2
2
2
1
2
1
2
31
37
35
30
34
24
26
29
20
6
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
16
28
48
59
62
69
46
24
1
1
1
0
23
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
0
3
6
10
33
57

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
73
73
75
76
79
80
83
81
68
58
53
48
46
45
45
46
47
51
58
63
66

Pressure (mb)

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

Ozone (du)

426
425
420
418
417
416
417
418
418
418
414
410
409
410
415
416
419
424
427
426
423
421
418
416

Thursday 19

New Moon 3%

06:19

20:29

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: 06:03, Set: 18:15, Transit: 12:09. Moon - Rise: 06:19, Set: 20:29. Civil Dark: 18:47 - 05:31. Nautical Dark: 19:25 - 04:52. Astro Dark: 20:05 - 04:13

Total Clouds (% Sky Obscured)

86
83
89
99
100
99
100
85
90
100
100
98
90
96
99
98
99
99
99
99
99
99
95
91

Low Clouds (% Sky Obscured)

15
5
5
4
4
11
14
31
39
51
52
52
52
46
50
80
86
91
97
95
93
91
90
87

Medium Clouds (% Sky Obscured)

74
83
89
90
80
80
76
76
67
99
100
96
83
94
98
97
91
87
85
81
77
75
74
74

High Clouds (% Sky Obscured)

86
60
33
12
16
14
15
6
11
12
10
9
10
1
1
0
0
0
0
0
0
0
3
5

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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
3
6
5
24
33
36
41
36
36
30
28
31
56
42
25
23
18
13
19
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
69
71
72
72
72
73
76
73
67
61
56
53
51
46
45
45
45
52
60
69
74

Pressure (mb)

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

Ozone (du)

414
409
401
394
384
376
371
368
366
366
371
374
380
382
378
374
371
372
374
375
376
378
379
379

Friday 20

Waxing Crescent 8%

06:36

No Set

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK

Sun - Rise: 06:01, Set: 18:16, Transit: 12:08. Moon - Rise: 06:36, Set: No Set. Civil Dark: 18:49 - 05:28. Nautical Dark: 19:27 - 04:50. Astro Dark: 20:07 - 04:10

Total Clouds (% Sky Obscured)

86
82
74
67
64
75
80
85
89
91
90
87
86
69
52
32
52
69
91
75
57
40
31
26

Low Clouds (% Sky Obscured)

83
80
74
67
64
75
75
67
63
56
47
44
40
28
22
19
25
27
29
26
21
12
6
3

Medium Clouds (% Sky Obscured)

71
68
68
67
52
34
19
22
31
37
51
64
75
51
27
2
7
9
13
11
9
7
12
11

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
8
8
7
7
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
37
43
48
42
34
25
24
20
11
11
11
9
9
8
5
7
7
1
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
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
4
4
4
5
5
5
4
4
5
7
10
12
13
14
15
16
16
17
16
15
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
85
89
93
89
88
85
83
82
80
73
69
62
56
49
44
46
48
50
54
60
65
67

Pressure (mb)

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

Ozone (du)

380
380
378
376
375
377
379
382
388
394
401
406
411
416
417
418
419
418
417
415
415
414
413
409

Saturday 21

Waxing Crescent 16%

06:57

21:57

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

Sun - Rise: 05:58, Set: 18:18, Transit: 12:08. Moon - Rise: 06:57, Set: 21:57. Civil Dark: 18:50 - 05:26. Nautical Dark: 19:29 - 04:48. Astro Dark: 20:08 - 04:08

Total Clouds (% Sky Obscured)

20
19
25
28
20
13
5
11
14
18
17
16
17
17
19
19
28
37
45
54
67
68

Low Clouds (% Sky Obscured)

0
0
0
1
1
2
3
4
4
4
4
3
2
5
7
9
10
10
8
8
10
10

Medium Clouds (% Sky Obscured)

11
11
14
15
12
7
1
1
2
2
2
1
1
1
1
1
13
23
34
36
37
39

High Clouds (% Sky Obscured)

5
4
3
3
3
2
1
1
1
0
0
0
0
1
2
4
21
37
45
38
21
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

11
10
9
9
8
8
7
7
7
8
8
10
12
13
14
14
15
15
14
14
12
10

Chance of Frost

Temperature (°C)

5
4
3
3
2
2
2
2
2
2
2
4
6
8
9
11
12
12
12
12
11
10

Feels Like (°C)

0
-0
-0
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
1
1
2
3
8
8
7
8
7

Dew Point (°C)

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

Relative Humidity (%)

67
67
69
72
74
76
76
77
77
77
76
69
61
55
51
46
42
42
42
42
47
52

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1015
1014
1014
1014
1013
1013
1014

Ozone (du)

405
401
402
404
405
406
407
409
408
408
408
407
405
404
406
408
410
410
410
410
411
412

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

Generated: 15/03/26 21:36:06. Forecast: 15/03/26 to 21/03/26. Timezone: UTC+1.00