Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:18

22:16

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: 05:58, Set: 20:10, Transit: 13:05. Moon - Rise: 06:18, Set: 22:16. Civil Dark: 20:47 - 05:21. Nautical Dark: 21:33 - 04:34. Astro Dark: 22:27 - 03:40

Total Clouds (% Sky Obscured)

95
92
99
100
100
100
100
99
100
99
98
93
100
94
87
96
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
28
7
0
37
53
50
37
0
52
42
51
26
42
29
68
39
88
87
90
82

Medium Clouds (% Sky Obscured)

53
45
91
95
100
99
99
99
100
98
94
87
91
86
71
88
75
75
80
95
100
94
100
93

High Clouds (% Sky Obscured)

55
92
99
100
100
100
100
69
76
70
65
65
53
47
12
71
65
100
100
84
100
100
76
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
5
9
9
9
4
3
9
9
2

Fog (%)

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

Precipitation Type

None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
5
4
16
45
42
35
41
50
40
37
16
5
22
50
82
75
58
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0.3
0.2
0.3
0
0
0
0.4
1.1
0.6
0
1
2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
20
20
20
19
18
17
15
14
14
14
13
13
12
11
11
10
10
10
11
11
11

Feels Like (°C)

15
17
17
18
19
18
17
16
15
13
12
13
13
12
12
10
10
9
8
8
9
8
9
9

Dew Point (°C)

3
2
2
3
3
3
3
4
4
3
4
5
8
9
9
9
9
9
9
9
9
9
10
10

Relative Humidity (%)

37
33
31
31
31
32
34
38
42
45
48
54
68
76
79
81
87
88
90
91
93
90
88
92

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1017
1016
1016
1016

Ozone (du)

357
356
355
355
354
355
357
359
363
367
371
374
376
377
378
379
380
380
379
378
376
377
378
376

Sunday 19

Waxing Crescent 6%

06:52

23:50

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:56, Set: 20:12, Transit: 13:05. Moon - Rise: 06:52, Set: 23:50. Civil Dark: 20:49 - 05:19. Nautical Dark: 21:36 - 04:32. Astro Dark: 22:30 - 03:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
86
59
28
37
54
93
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
80
52
46
34
29
36
5
7
42
32
25
4
20
45
90
93
100
100
94
91
87
91
92

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
79
55
26
5
44
14
0
6
23
100
100
99
100
88

High Clouds (% Sky Obscured)

94
100
100
100
87
55
3
0
0
0
0
0
0
0
0
0
0
0
5
29
32
50
100
100

ISS Passover

Visibility (miles)

2
2
2
4
3
2
5
9
9
9
9
9
9
9
9
9
1
0
6
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
64
42
13
8
18
6
15
17
18
33
38
44
49
55
63
65
69
71

Precipitation Amount (mm)

1.5
2
1
0.8
1.1
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.4

Wind Speed/Direction (mph)

9
10
12
12
11
10
9
9
8
8
7
9
8
10
10
11
12
12
12
10
8
7
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
89
89
89
86
86
84
84
87
85
88
87
88
88
86
90
93
93
94
93
93
90
85

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

377
379
382
385
390
394
399
405
409
413
415
417
418
420
420
419
416
414
415
413
411
411
410
408

Monday 20

Waxing Crescent 14%

07:42

01:14

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 OK
01 Good
02 OK
03 Bad
04 Bad
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 05:54, Set: 20:14, Transit: 13:05. Moon - Rise: 07:42, Set: 01:14. Civil Dark: 20:51 - 05:16. Nautical Dark: 21:38 - 04:29. Astro Dark: 22:33 - 03:33

Total Clouds (% Sky Obscured)

100
100
100
98
99
97
96
98
94
84
76
88
36
8
47
63
59
17
5
0
0
0
0
1

Low Clouds (% Sky Obscured)

93
96
89
93
81
77
66
68
63
71
57
72
3
7
18
30
36
17
1
0
0
0
0
1

Medium Clouds (% Sky Obscured)

89
91
92
97
97
96
95
62
29
28
36
43
21
0
17
20
2
4
1
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
88
40
35
47
13
31
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
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

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

Precipitation Probability (%)

76
83
80
78
71
53
41
34
35
22
9
6
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.6
0.5
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
5
4
4
5
5
5
6
6
4
4
2
3
2
1
-1
-1
0
0
2
4
6
8

Dew Point (°C)

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

Relative Humidity (%)

87
91
90
88
90
90
85
82
87
88
81
81
81
80
79
77
77
77
77
76
69
61
53
45

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1019
1020
1021
1021
1021
1022
1023
1023
1023
1024
1024
1024
1025
1026
1026
1026
1026

Ozone (du)

406
403
402
401
399
398
398
401
403
406
408
407
405
408
410
412
411
407
406
407
409
409
409
407

Tuesday 21

Waxing Crescent 23%

08:53

02:18

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

Sun - Rise: 05:52, Set: 20:15, Transit: 13:05. Moon - Rise: 08:53, Set: 02:18. Civil Dark: 20:53 - 05:14. Nautical Dark: 21:40 - 04:26. Astro Dark: 22:36 - 03:29

Total Clouds (% Sky Obscured)

3
4
14
23
32
21
12
1
1
2
3
9
18
25
1
1
12
13
14
25
20
15
10
11

Low Clouds (% Sky Obscured)

2
3
14
23
32
21
12
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
2
25
1
1
0
13
14
25
20
15
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
6
13
20
0
0
5
4
5
0
0
0
0
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
1
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
8
8
8
9
9
9
7
6
6
5
5
5
5
5
5
5
6
7
8
9
10

Chance of Frost

Temperature (°C)

12
13
14
14
15
15
14
12
11
9
8
7
6
5
5
4
3
3
3
4
5
7
9
12

Feels Like (°C)

10
11
12
12
12
13
11
9
9
7
6
5
4
2
1
2
2
-0
-1
-0
1
3
4
7

Dew Point (°C)

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

Relative Humidity (%)

39
35
34
33
34
35
38
42
49
53
54
58
62
65
62
63
63
63
64
64
59
52
49
48

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025

Ozone (du)

408
412
416
415
410
409
408
407
410
409
409
406
404
403
408
408
403
401
398
395
394
391
390
386

Wednesday 22

Waxing Crescent 34%

10:17

03:02

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

Sun - Rise: 05:50, Set: 20:17, Transit: 13:04. Moon - Rise: 10:17, Set: 03:02. Civil Dark: 20:55 - 05:12. Nautical Dark: 21:42 - 04:24. Astro Dark: 22:39 - 03:26

Total Clouds (% Sky Obscured)

13
14
8
6
0
0
0
0
0
0
0
10
15
15
11
8
4
13
18
21
41
61
81
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
7
10
37
59
81
70

Medium Clouds (% Sky Obscured)

13
14
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
9
8
6
0
0
0
0
0
0
0
5
10
11
10
5
1
1
0
1
1
2
2
8

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
1
2
3
12
15
17
14
10
1
5

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)

11
11
12
12
12
12
12
11
9
10
10
10
11
12
12
12
12
13
12
12
12
12
12
13

Chance of Frost

Temperature (°C)

13
14
15
15
16
16
15
14
13
11
10
9
8
7
7
6
5
5
5
5
6
7
8
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
36
35
36
38
42
46
49
54
60
63
64
68
69
70
72
76
80
80
80
80
74
67
60

Pressure (mb)

1025
1024
1023
1023
1022
1021
1020
1020
1019
1019
1019
1018
1017
1017
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

384
382
382
381
378
377
378
377
376
377
379
380
380
380
383
381
380
378
380
382
383
387
391
394

Thursday 23

Waxing Crescent 46%

11:44

03:30

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

Sun - Rise: 05:48, Set: 20:19, Transit: 13:04. Moon - Rise: 11:44, Set: 03:30. Civil Dark: 20:57 - 05:10. Nautical Dark: 21:45 - 04:21. Astro Dark: 22:42 - 03:22

Total Clouds (% Sky Obscured)

70
66
68
73
75
65
54
43
41
39
34
35
33
34
42
57
67
71
68
61
51
40
31
39

Low Clouds (% Sky Obscured)

61
53
60
64
71
63
54
43
41
39
34
23
12
3
4
4
4
8
9
8
16
25
30
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
3
9
15
21
26
28
32
31
29
26
20

High Clouds (% Sky Obscured)

14
19
14
7
1
0
0
0
2
4
5
18
30
34
42
53
58
41
22
0
1
2
3
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 (%)

8
9
10
11
7
11
9
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
52
49
48
45
43
43
43
43
48
52
58
64
68
73
76
76
76
71
67
62
55
50
44

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

398
403
407
422
437
453
454
455
456
460
464
467
462
457
451
450
448
447
446
445
444
444
444
444

Friday 24

First Quarter 57%

No Rise

03:49

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: 05:45, Set: 20:21, Transit: 13:04. Moon - Rise: No Rise, Set: 03:49. Civil Dark: 20:58 - 05:07. Nautical Dark: 21:47 - 04:18. Astro Dark: 22:46 - 03:19

Total Clouds (% Sky Obscured)

51
64
75
83
93
79
64
50
58
68
76
69
63
56
62
68
74
68
61
50

Low Clouds (% Sky Obscured)

51
64
69
72
79
69
64
50
58
54
51
38
25
12
11
7
7
6
10
11

Medium Clouds (% Sky Obscured)

22
24
31
37
45
36
28
20
40
61
75
63
57
50
47
45
46
44
41
43

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
1
1
2
3
4
25
45
61
60
57
50

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
4
5
1
2
3
2
26
35
40
42
45
47
36
22
4
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
43
43
41
41
40
43
47
51
56
61
66
67
68
71
68
67
64
68
71

Pressure (mb)

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

Ozone (du)

447
449
451
447
444
441
432
424
416
413
411
408
406
404
402
400
399
397
397
397

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 18/04/26 12:04:04. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+2.00