Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 24

Waning Crescent 17%

04:38

14:22

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

Sun - Rise: 05:47, Set: 20:19, Transit: 13:04. Moon - Rise: 04:38, Set: 14:22. Civil Dark: 20:57 - 05:09. Nautical Dark: 21:45 - 04:20. Astro Dark: 22:43 - 03:21

Total Clouds (% Sky Obscured)

63
63
63
63
74
63
100
100
100
30
12
5
59
48
100
98
100
100
100
100
98
100
100
100

Low Clouds (% Sky Obscured)

50
32
53
42
36
23
5
0
0
0
0
0
0
0
0
0
0
0
0
0
18
0
0
0

Medium Clouds (% Sky Obscured)

83
93
100
96
79
90
58
91
32
48
16
2
1
11
0
0
1
0
0
61
55
52
69
83

High Clouds (% Sky Obscured)

100
100
100
100
100
82
54
42
10
0
2
4
76
63
100
72
90
100
100
100
98
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0

Precipitation Type

None
None
None
None
None
Light Rain
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
100
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
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
17
17
17
16
14
13
12
11
11
10
9
9
9
9
9
10
12
13
15

Feels Like (°C)

17
18
18
17
16
15
15
15
14
13
12
11
10
9
8
7
7
6
7
6
7
9
10
12

Dew Point (°C)

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

Relative Humidity (%)

62
52
51
55
56
56
56
57
65
74
77
78
80
84
88
88
88
87
85
82
76
71
65
60

Pressure (mb)

1017
1016
1016
1016
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

352
352
352
351
351
351
351
354
359
360
358
355
355
354
354
354
352
354
354
352
351
352
351
347

Friday 25

Waning Crescent 9%

04:49

15:50

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:45, Set: 20:21, Transit: 13:04. Moon - Rise: 04:49, Set: 15:50. Civil Dark: 20:59 - 05:07. Nautical Dark: 21:48 - 04:18. Astro Dark: 22:47 - 03:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
3
3
13
6
1
1
1
26
47
56
63
65
59
74
84
84
64
45
20
0
0

Medium Clouds (% Sky Obscured)

51
44
66
84
100
100
100
100
95
100
100
100
100
100
100
100
93
95
74
58
40
87
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
97
91
99
100
100

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
8
5
6
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

1
8
25
15
13
12
10
10
14
12
14
27
19
44
59
77
72
50
22
15
16
6
3
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
11
11
12
12
12
12
11
11
11
10
11
11
10
10
10
9
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

16
17
18
19
18
18
17
15
14
12
11
10
9
9
8
8
7
7
7
7
7
8
10
12

Feels Like (°C)

13
14
15
15
14
14
13
12
10
8
7
6
6
5
4
4
3
4
3
3
4
5
7
9

Dew Point (°C)

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

Relative Humidity (%)

59
55
51
47
47
47
50
60
64
67
67
69
72
74
78
82
87
90
90
88
84
79
73
64

Pressure (mb)

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

Ozone (du)

342
340
340
339
337
336
334
332
334
337
338
340
341
343
345
347
347
347
345
344
344
345
347
351

Saturday 26

Waning Crescent 3%

05:00

17:20

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

Sun - Rise: 05:43, Set: 20:23, Transit: 13:04. Moon - Rise: 05:00, Set: 17:20. Civil Dark: 21:01 - 05:05. Nautical Dark: 21:50 - 04:15. Astro Dark: 22:50 - 03:14

Total Clouds (% Sky Obscured)

100
100
100
55
48
45
35
3
9
23
14
9
1
1
0
0
0
1
0
2
0
0
0
0

Low Clouds (% Sky Obscured)

3
2
10
6
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
69
19
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

94
100
100
55
40
35
35
3
9
23
14
9
0
0
0
0
0
1
0
2
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)

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

Chance of Frost

Temperature (°C)

13
14
15
16
16
15
15
14
12
10
8
7
6
5
5
5
4
4
4
4
6
8
10
12

Feels Like (°C)

10
11
11
12
12
11
10
9
9
7
4
4
4
3
3
3
2
3
2
1
3
5
7
9

Dew Point (°C)

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

Relative Humidity (%)

57
51
46
42
39
37
36
40
52
56
59
60
64
65
65
66
64
63
62
57
52
46
38
33

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1019
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025
1025

Ozone (du)

355
357
355
353
352
350
350
353
355
360
362
364
371
373
369
366
366
364
363
360
358
356
356
355

Sunday 27

New Moon 0%

05:14

18:53

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

Sun - Rise: 05:41, Set: 20:24, Transit: 13:04. Moon - Rise: 05:14, Set: 18:53. Civil Dark: 21:03 - 05:02. Nautical Dark: 21:52 - 04:12. Astro Dark: 22:53 - 03:10

Total Clouds (% Sky Obscured)

0
0
6
14
20
28
35
41
29
15
2
2
2
2
8
2
3
14
12
8
10
17
25
18

Low Clouds (% Sky Obscured)

0
0
6
14
20
28
35
41
29
15
0
0
0
0
0
0
0
0
0
0
9
17
25
18

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
1
1
1
2
2
2
2
8
2
2
10
8
6
1
1
1
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)

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

Chance of Frost

Temperature (°C)

13
14
15
15
15
15
15
14
13
11
10
8
7
7
6
6
5
5
5
6
7
8
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

32
31
31
31
31
32
33
37
42
45
47
53
58
60
59
60
60
60
60
57
50
44
37
33

Pressure (mb)

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

Ozone (du)

356
357
357
358
360
363
364
363
363
362
361
359
358
357
355
354
353
353
354
355
356
357
357
357

Monday 28

Waxing Crescent 0%

05:31

20:29

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 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 05:39, Set: 20:26, Transit: 13:03. Moon - Rise: 05:31, Set: 20:29. Civil Dark: 21:05 - 05:00. Nautical Dark: 21:55 - 04:10. Astro Dark: 22:57 - 03:07

Total Clouds (% Sky Obscured)

10
3
3
2
2
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
2
2
1
1

Low Clouds (% Sky Obscured)

9
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
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

13
14
15
15
15
15
15
14
13
11
10
9
8
7
7
6
6
6
6
6
8
10
12
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

30
28
27
26
26
27
28
32
39
44
49
54
58
59
63
65
67
67
68
64
56
48
42
37

Pressure (mb)

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

Ozone (du)

356
356
356
355
355
355
354
352
351
350
350
349
349
349
350
350
349
349
350
350
351
352
353
353

Tuesday 29

Waxing Crescent 1%

05:55

22:08

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

Sun - Rise: 05:37, Set: 20:28, Transit: 13:03. Moon - Rise: 05:55, Set: 22:08. Civil Dark: 21:07 - 04:58. Nautical Dark: 21:57 - 04:07. Astro Dark: 23:00 - 03:03

Total Clouds (% Sky Obscured)

0
0
0
1
1
2
4
5
21
35
46
64
80
93
96
98
100
75
50
26
20
13
7
12

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
21
32
35
38
46
55
65
70
70
60
45
22
15
8
2
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
4
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
1
2
4
5
16
26
34
48
60
75
79
87
85
62
41
18
13
9
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
17
18
18
18
18
18
15
15
15
15
15
14
11
11
11
10
10
10
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

34
32
29
30
30
32
36
39
43
46
48
50
56
61
66
66
67
67
65
63
61
53
47
42

Pressure (mb)

1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

355
356
357
358
359
360
361
362
363
364
365
365
365
366
366
367
368
369
371
373
375
374
373
372

Wednesday 30

Waxing Crescent 5%

06:31

23:44

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

Sun - Rise: 05:35, Set: 20:30, Transit: 13:03. Moon - Rise: 06:31, Set: 23:44. Civil Dark: 21:09 - 04:56. Nautical Dark: 22:00 - 04:04. Astro Dark: 23:04 - 02:59

Total Clouds (% Sky Obscured)

14
17
26
38
50
55
55
50
45
41
31
28
29
30
28
27
30
35
40
35
29
23
17
15

Low Clouds (% Sky Obscured)

8
10
19
33
50
55
55
50
45
41
31
28
29
30
28
27
30
35
40
35
29
23
17
15

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

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
6
5
5
4
5
5
5
5
5
6
6
5
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
19
19
19
19
18
18
14
14
14
14
13
13
12
11
11
11
11
11
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

40
39
36
38
41
43
47
51
57
58
59
61
62
63
64
64
65
65
64
62
60
56
52
48

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

371
370
369
366
364
362
360
359
357
357
356
356
356
356
357
357
358
358
360
361
363
363
363
363

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 24/04/25 08:18:06. Forecast: 24/04/25 to 30/04/25. Timezone: UTC+2.00