Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 92%

17:06

04:25

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

Sun - Rise: 05:39, Set: 20:27, Transit: 13:03. Moon - Rise: 17:06, Set: 04:25. Civil Dark: 21:06 - 05:01. Nautical Dark: 21:57 - 04:10. Astro Dark: 22:59 - 03:07

Total Clouds (% Sky Obscured)

88
85
65
78
100
34
27
7
6
19
13
4
13
5
0
0
5
5
5
4
4
7
0
3

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)

73
53
51
4
56
4
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

72
66
61
75
100
30
24
7
4
19
13
3
13
4
0
0
5
4
3
1
0
5
0
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)

7
7
7
8
8
8
8
8
8
9
9
9
10
10
10
10
9
9
9
9
8
7
9
8

Chance of Frost

Temperature (°C)

8
7
6
5
4
4
3
3
3
5
7
9
10
12
13
14
14
14
14
14
13
12
9
8

Feels Like (°C)

4
3
1
1
0
-1
0
-0
-0
1
3
5
7
8
9
10
11
12
11
11
10
9
6
4

Dew Point (°C)

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

Relative Humidity (%)

54
48
45
45
48
50
53
54
49
40
33
30
28
26
26
26
26
28
29
31
34
41
45
45

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1026
1027
1027

Ozone (du)

410
413
413
413
412
410
409
410
410
410
408
409
407
405
411
410
406
406
405
405
407
409
411
414

Tuesday 28

Waxing Gibbous 92%

18:21

04:34

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

Sun - Rise: 05:37, Set: 20:29, Transit: 13:03. Moon - Rise: 18:21, Set: 04:34. Civil Dark: 21:08 - 04:58. Nautical Dark: 21:59 - 04:08. Astro Dark: N/A - 03:04

Total Clouds (% Sky Obscured)

3
3
3
3
2
3
1
1
12
19
41
42
40
32
31
27
25
23
22
22
12
44
7
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
0
0
0
28
25
25
23
21
1
1
2
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
19
28
36
37
26
16
5
0
1
1
3
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
2
2
2
1
1
1
0
0
0
0
2
1
1
2
3
6
14
5
43
7
6

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)

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

Chance of Frost

Temperature (°C)

7
6
5
4
3
3
3
2
3
5
7
10
11
12
13
13
13
13
13
13
12
11
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
51
53
55
55
56
57
55
51
42
36
31
29
27
26
27
27
28
29
29
32
38
46
49

Pressure (mb)

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

Ozone (du)

417
416
416
415
413
412
411
408
408
410
413
415
416
414
413
412
412
413
410
407
405
404
402
402

Wednesday 29

Waxing Gibbous 97%

19:36

04:45

23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 OK
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 OK
20 OK
21 OK
22 Good

Sun - Rise: 05:35, Set: 20:31, Transit: 13:03. Moon - Rise: 19:36, Set: 04:45. Civil Dark: 21:10 - 04:56. Nautical Dark: 22:01 - 04:05. Astro Dark: 23:03 - 03:00

Total Clouds (% Sky Obscured)

3
6
2
2
2
3
19
11
16
13
15
13
8
8
8
6
3
3
3
3
33
40
25
11

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
4
7
5
6
6
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
5
2
2
2
2
4
2
2
2
2
2
2
2
3
2
2
2
2
1
21
25
14
6

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

Chance of Frost

Temperature (°C)

6
5
4
4
3
3
3
3
3
5
8
11
13
14
16
16
17
17
17
17
17
15
14
13

Feels Like (°C)

5
4
3
3
3
2
2
2
3
4
8
10
12
13
15
15
16
16
16
15
15
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

50
52
50
50
51
51
50
50
47
43
39
38
37
38
37
35
35
34
35
37
44
54
61
67

Pressure (mb)

1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1033
1033
1032
1032
1031
1030
1030
1029
1029
1029
1030
1030

Ozone (du)

401
400
398
396
395
395
394
393
392
392
391
391
390
389
389
390
390
390
390
389
388
387
388
390

Thursday 30

Waxing Gibbous 99%

20:52

04:57

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 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 05:33, Set: 20:33, Transit: 13:03. Moon - Rise: 20:52, Set: 04:57. Civil Dark: 21:12 - 04:54. Nautical Dark: 22:04 - 04:02. Astro Dark: 23:07 - 02:56

Total Clouds (% Sky Obscured)

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

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)

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)

1
1
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

11
10
10
9
8
8
7
8
9
10
13
15
17
19
20
21
21
22
22
21
20
19
17
16

Feels Like (°C)

10
10
10
9
9
8
7
8
9
11
13
15
17
19
21
21
21
21
21
21
20
19
18
16

Dew Point (°C)

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

Relative Humidity (%)

71
73
74
77
74
74
73
73
67
59
52
46
42
38
36
35
34
35
37
40
45
53
57
61

Pressure (mb)

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

Ozone (du)

391
389
388
388
388
388
387
387
387
386
386
386
386
387
387
387
387
386
385
384
384
385
385
386

Friday 1

Full Moon 100%

22:08

05:13

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 Good
16 Good
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:32, Set: 20:34, Transit: 13:03. Moon - Rise: 22:08, Set: 05:13. Civil Dark: 21:14 - 04:52. Nautical Dark: 22:06 - 04:00. Astro Dark: 23:10 - 02:52

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
14
25
38
53
68
82

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)

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
2
3
4
14
25
38
53
68
82

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

Chance of Frost

Temperature (°C)

14
14
13
12
12
11
11
11
12
13
16
18
20
21
22
23
24
24
24
23
22
21
19
17

Feels Like (°C)

15
14
13
12
12
11
10
11
11
12
15
17
18
20
21
21
21
21
21
21
22
22
18
18

Dew Point (°C)

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

Relative Humidity (%)

63
68
72
72
71
72
74
75
71
62
55
46
40
36
33
31
30
30
29
34
40
46
51
55

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1019
1018
1017
1016
1015
1015
1015
1014
1014
1014

Ozone (du)

386
385
385
386
387
386
386
386
387
387
388
389
388
389
389
389
389
388
388
388
388
388
388
388

Saturday 2

Waning Gibbous 98%

No Rise

05:34

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
21 Bad
22 Bad

Sun - Rise: 05:30, Set: 20:36, Transit: 13:03. Moon - Rise: No Rise, Set: 05:34. Civil Dark: 21:16 - 04:50. Nautical Dark: 22:09 - 03:57. Astro Dark: 23:14 - 02:47

Total Clouds (% Sky Obscured)

82
88
100
100
100
100
97
95
92
88
85
80
77
72
68
78
88
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
28
42
42
39
35
47
53
52

Medium Clouds (% Sky Obscured)

0
0
0
13
20
15
9
13
12
11
19
8
8
8
8
23
39
52
58
67
74
82
91
100

High Clouds (% Sky Obscured)

82
88
100
100
100
100
92
84
77
75
72
70
62
56
50
62
76
90
92
94
97
99
99
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
8
11
25
27
26
46
56
62
72
78
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
14
13
13
12
13
14
14
16
19
21
22
23
24
24
23
23
22
20
19
18
17

Feels Like (°C)

18
17
16
16
10
10
10
10
10
10
12
14
15
15
17
18
24
23
23
22
22
21
16
17

Dew Point (°C)

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

Relative Humidity (%)

60
61
61
62
63
65
67
64
63
60
56
53
50
46
43
41
42
44
45
50
55
62
69
76

Pressure (mb)

1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

388
388
388
388
387
387
387
387
387
387
387
387
387
388
388
389
388
387
386
386
385
384
386
387

Sunday 3

Waning Gibbous 95%

23:20

06:04

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

Sun - Rise: 05:28, Set: 20:38, Transit: 13:03. Moon - Rise: 23:20, Set: 06:04. Civil Dark: 21:18 - 04:48. Nautical Dark: 22:11 - 03:54. Astro Dark: 23:18 - 02:43

Total Clouds (% Sky Obscured)

98
96
95
96
97
97
98
98
99
99
100
100
99
98
96
89
82
75
67
59
48

Low Clouds (% Sky Obscured)

45
38
33
35
37
35
49
58
73
81
91
100
99
98
96
88
81
69
52
33
16

Medium Clouds (% Sky Obscured)

97
93
90
79
68
55
50
45
42
48
55
57
46
40
33
28
23
22
16
9
2

High Clouds (% Sky Obscured)

70
41
11
9
7
18
19
20
28
23
27
25
28
34
40
50
54
54
52
49
47

ISS Passover

Visibility (miles)

8
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

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

69
54
35
32
30
22
23
20
11
19
19
18
16
13
9
11
9
2
3
3
2

Precipitation Amount (mm)

0.4
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
5
5
5
5
5
5
5
6
5
5
5
5
5
5
5
5
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

85
86
89
90
93
95
96
93
90
89
84
82
78
75
72
67
64
61
58
62
66

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

388
386
384
382
381
381
380
379
379
378
377
377
376
376
375
375
376
377
378
378
379

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 27/04/26 23:30:35. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00