Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 8

Waning Gibbous 77%

00:10

07:49

04 OK
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

Sun - Rise: 06:29, Set: 17:55, Transit: 12:12. Moon - Rise: 00:10, Set: 07:49. Civil Dark: 18:27 - 05:57. Nautical Dark: 19:05 - 05:19. Astro Dark: 19:43 - 04:41

Total Clouds (% Sky Obscured)

39
62
71
100
100
100
100
100
100
100
100
100
100
100
100
100
69
76
100
98
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
0
0
0
0

Medium Clouds (% Sky Obscured)

8
40
46
64
85
100
100
100
100
100
100
100
100
98
97
98
61
70
82
66
85
100
100
100

High Clouds (% Sky Obscured)

39
62
71
100
100
100
100
100
100
100
100
100
100
100
100
100
65
65
100
95
100
100
100
100

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

Chance of Frost

Temperature (°C)

3
3
3
3
4
6
8
10
12
13
14
15
15
14
12
10
9
8
6
6
5
5
4
4

Feels Like (°C)

1
0
-1
-1
1
2
5
7
8
9
10
10
11
11
8
7
6
4
3
2
2
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

80
79
79
79
73
66
58
52
46
42
39
39
46
53
56
58
58
60
63
67
70
70
71
71

Pressure (mb)

1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

369
370
370
369
367
366
365
365
365
364
364
365
365
364
364
367
367
368
370
372
373
374
374
374

Monday 9

Waning Gibbous 71%

01:21

08:11

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:27, Set: 17:57, Transit: 12:12. Moon - Rise: 01:21, Set: 08:11. Civil Dark: 18:29 - 05:55. Nautical Dark: 19:07 - 05:17. Astro Dark: 19:45 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
98
94
93
96
63
49
88
99
99
100
100
100
100
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
5
2
1
14
4
7
27
30
30
43
56

Medium Clouds (% Sky Obscured)

100
94
83
64
78
100
100
100
99
98
97
94
68
93
63
49
80
99
99
89
81
100
100
50

High Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
70
97
94
85
94
43
34
33
26
20
15
59
75
70
40

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
1
2
6
11
22
20
18
12

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

Chance of Frost

Temperature (°C)

4
4
4
4
5
7
9
11
13
14
14
15
15
13
12
10
9
9
8
8
8
8
7
7

Feels Like (°C)

0
1
0
0
1
3
5
6
8
9
10
11
11
11
8
7
7
5
5
5
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

71
72
75
75
71
63
56
50
47
46
46
46
50
56
58
57
62
64
65
68
68
68
70
70

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1024
1023
1022
1022
1021
1021
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

375
375
375
375
375
376
376
378
377
375
373
373
374
376
376
377
377
379
379
379
378
377
376
375

Tuesday 10

Waning Gibbous 62%

02:25

08:40

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

Sun - Rise: 06:25, Set: 17:59, Transit: 12:12. Moon - Rise: 02:25, Set: 08:40. Civil Dark: 18:31 - 05:52. Nautical Dark: 19:08 - 05:15. Astro Dark: 19:47 - 04:36

Total Clouds (% Sky Obscured)

45
64
77
98
95
86
84
81
81
64
50
59
59
59
53
40
10
12
30
31
34
29
60
51

Low Clouds (% Sky Obscured)

33
33
25
43
50
54
75
64
32
15
13
3
1
4
12
25
2
2
2
2
2
0
0
2

Medium Clouds (% Sky Obscured)

40
64
68
93
73
33
25
30
45
45
45
54
56
43
6
2
0
0
11
3
3
9
50
36

High Clouds (% Sky Obscured)

0
14
51
44
12
1
0
0
1
6
29
52
59
52
53
38
9
12
18
31
34
19
43
20

ISS Passover

Visibility (miles)

9
9
9
7
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 (%)

13
18
13
11
0
0
0
1
3
6
17
3
3
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
3
2
2
2
2
3
3
3
3
2
2
3
4
5
5
4
3
2
2
1
1
1
1

Chance of Frost

Temperature (°C)

6
6
5
5
6
7
9
10
11
13
14
14
14
14
11
10
9
8
8
7
6
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
78
80
76
70
68
68
64
60
57
56
55
61
67
71
73
75
78
78
79
79
79
80

Pressure (mb)

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

Ozone (du)

376
375
374
375
373
372
370
370
370
371
372
374
375
375
374
373
372
373
373
373
374
371
369
366

Wednesday 11

Third Quarter 52%

03:21

09:20

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

Sun - Rise: 06:22, Set: 18:00, Transit: 12:11. Moon - Rise: 03:21, Set: 09:20. Civil Dark: 18:32 - 05:50. Nautical Dark: 19:10 - 05:13. Astro Dark: 19:48 - 04:34

Total Clouds (% Sky Obscured)

69
82
78
65
45
27
21
16
18
34
38
39
48
44
23
33
42
53
45
38
29
45
37
25

Low Clouds (% Sky Obscured)

14
29
42
30
16
2
2
2
3
19
25
31
36
14
2
2
2
2
2
1
2
2
7
25

Medium Clouds (% Sky Obscured)

26
27
13
16
18
21
18
14
12
9
6
5
27
32
18
32
42
53
45
38
29
33
20
10

High Clouds (% Sky Obscured)

24
18
11
9
5
1
0
0
2
3
2
24
16
2
4
2
0
0
0
1
1
9
15
10

ISS Passover

Visibility (miles)

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

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
12
28
32
30
29
32
25
15
16
7
8
4
0
0
46
40

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
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
4
6
8
10
12
14
16
16
17
17
15
13
12
11
10
9
9
9
8
7
7

Feels Like (°C)

3
3
2
3
5
7
9
11
13
14
14
14
14
12
10
10
9
9
8
8
7
7
5
4

Dew Point (°C)

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

Relative Humidity (%)

80
82
83
85
78
69
63
57
53
49
46
45
48
53
62
66
71
74
77
78
80
81
81
87

Pressure (mb)

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

Ozone (du)

365
365
366
368
369
370
369
369
371
372
372
371
372
373
376
377
378
379
380
380
380
380
381
380

Thursday 12

Waning Crescent 42%

04:04

10:12

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

Sun - Rise: 06:20, Set: 18:02, Transit: 12:11. Moon - Rise: 04:04, Set: 10:12. Civil Dark: 18:34 - 05:48. Nautical Dark: 19:12 - 05:10. Astro Dark: 19:50 - 04:32

Total Clouds (% Sky Obscured)

20
20
30
30
37
48
64
74
60
40
46
35
37
52
53
54
50
43
32
22
11
19
30
49

Low Clouds (% Sky Obscured)

20
20
11
29
30
40
54
58
43
31
39
32
31
32
32
8
5
2
1
1
1
2
3
4

Medium Clouds (% Sky Obscured)

5
5
10
20
1
0
16
28
36
26
20
13
11
7
4
19
18
15
10
8
0
0
0
0

High Clouds (% Sky Obscured)

5
10
10
5
9
14
0
0
0
0
0
0
1
11
20
38
32
25
24
22
11
19
30
49

ISS Passover

Visibility (miles)

9
7
9
9
9
9
7
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 (%)

48
33
18
14
8
22
12
11
16
17
16
15
13
11
3
1
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
6
6
5
8
9
9
9
8
6
5
5
6
6
6
6
5
5
5
4

Chance of Frost

Temperature (°C)

6
6
5
5
6
8
10
11
12
14
14
14
13
12
10
9
8
8
8
7
7
6
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
79
80
79
68
67
65
49
42
41
41
41
47
54
58
61
63
65
69
72
76
76
76

Pressure (mb)

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

Ozone (du)

383
380
379
381
384
388
398
401
397
392
387
385
384
379
377
376
373
370
367
365
363
362
359
356

Friday 13

Waning Crescent 33%

04:04

11:15

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

Sun - Rise: 06:18, Set: 18:03, Transit: 12:11. Moon - Rise: 04:04, Set: 11:15. Civil Dark: 18:36 - 05:46. Nautical Dark: 19:13 - 05:08. Astro Dark: 19:52 - 04:30

Total Clouds (% Sky Obscured)

45
41
33
24
17
10
8
6
4
4
6
7
9
12
13
10
6
2
3
3
2
12
22
31

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
10
18
24

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

44
29
17
3
1
1
1
1
1
2
2
1
1
1
0
0
0
0
0
0
0
1
2
4

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

Chance of Frost

Temperature (°C)

5
4
4
4
6
9
11
13
14
16
16
16
17
15
14
12
11
11
10
9
8
7
7
6

Feels Like (°C)

3
3
2
2
3
5
6
7
8
9
15
14
14
13
14
14
9
10
10
9
9
9
5
5

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
77
70
65
59
55
50
46
44
43
41
46
52
58
59
61
63
68
73
79
79
81

Pressure (mb)

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

Ozone (du)

353
353
353
352
353
353
353
352
351
350
350
349
349
348
348
347
346
346
345
345
344
344
345
347

Saturday 14

Waning Crescent 24%

04:37

12:27

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

Sun - Rise: 06:16, Set: 18:05, Transit: 12:10. Moon - Rise: 04:37, Set: 12:27. Civil Dark: 18:37 - 05:44. Nautical Dark: 19:15 - 05:06. Astro Dark: 19:54 - 04:27

Total Clouds (% Sky Obscured)

41
51
46
44
42
35
33
27
25
25
29
32
48
50
52
42
25
2
4
5
6

Low Clouds (% Sky Obscured)

25
24
24
19
17
13
9
4
0
0
1
1
1
2
2
2
3
2
4
5
6

Medium Clouds (% Sky Obscured)

0
0
0
10
18
25
18
11
4
3
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
32
46
44
42
35
33
27
25
25
29
32
48
50
52
42
25
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
5
5
7
9
11
13
14
16
16
16
16
14
13
11
11
10
10
9
8

Feels Like (°C)

5
5
5
4
4
5
5
6
7
8
13
12
12
12
12
11
7
7
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
75
64
56
47
44
41
39
40
41
42
45
48
52
54
55
58
59
60

Pressure (mb)

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

Ozone (du)

349
349
349
349
350
350
350
352
353
354
355
355
355
354
353
352
354
357
359
364
369

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

Generated: 08/03/26 04:05:50. Forecast: 08/03/26 to 14/03/26. Timezone: UTC+1.00