Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 2%

05:55

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

Sun - Rise: 06:00, Set: 20:10, Transit: 13:05. Moon - Rise: 05:55, Set: No Set. Civil Dark: 20:47 - 05:23. Nautical Dark: 21:31 - 04:37. Astro Dark: 22:24 - 03:43

Total Clouds (% Sky Obscured)

100
100
98
72
89
92
86
86
84
83
68
68
67
91
96
65
88
100
100
100
100
96
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
36
30
18
29
34
38

Medium Clouds (% Sky Obscured)

57
40
34
70
80
59
85
86
84
83
54
48
30
52
81
54
48
47
50
46
27
94
98
96

High Clouds (% Sky Obscured)

95
68
68
72
69
75
70
66
24
52
61
49
50
74
92
58
80
85
100
100
100
54
67
90

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

Chance of Frost

Temperature (°C)

14
12
12
11
10
9
9
9
8
8
8
9
12
14
16
18
19
20
20
20
20
19
19
17

Feels Like (°C)

11
9
9
8
7
6
6
6
6
5
5
7
9
12
14
16
18
18
18
18
18
18
17
15

Dew Point (°C)

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

Relative Humidity (%)

52
56
57
58
55
57
58
58
57
58
57
54
47
43
39
37
35
34
35
34
35
38
41
48

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1022
1022
1022
1021
1021
1020
1019
1019
1019
1018
1018

Ozone (du)

372
370
368
368
367
365
363
362
361
361
361
362
362
361
360
360
360
361
361
361
362
363
362
363

Saturday 18

Waxing Crescent 6%

06:18

22:16

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: 05:58, Set: 20:12, Transit: 13:05. Moon - Rise: 06:18, Set: 22:16. Civil Dark: 20:49 - 05:21. Nautical Dark: 21:33 - 04:34. Astro Dark: 22:27 - 03:40

Total Clouds (% Sky Obscured)

100
100
97
94
96
100
91
96
100
100
100
100
94
100
100
100
100
100
100
100
100
100
98
96

Low Clouds (% Sky Obscured)

31
15
10
10
5
5
14
10
27
34
24
46
49
63
78
57
89
100
100
100
89
85
81
73

Medium Clouds (% Sky Obscured)

91
94
92
75
90
83
88
93
100
98
83
90
91
100
100
100
100
100
100
88
100
100
95
91

High Clouds (% Sky Obscured)

100
100
59
65
24
57
16
84
92
100
100
100
79
100
100
100
100
100
100
100
4
0
30
35

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

1
3
17
23
29
24
51
59
60
48
38
47
66
67
65
78
95
95
95
95
95
89
73
51

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0
0
0
0
0.3
0.3
0.2
0.3
1.2
2.4
3
1.9
1.2
0.4
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
7
6
7
9
9
8
8
9
11
12
13
13
11
9
7
5
2
-0
2
3

Relative Humidity (%)

49
48
49
51
61
61
69
80
86
85
87
87
89
89
90
87
82
75
75
72
61
52
62
69

Pressure (mb)

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

Ozone (du)

365
368
372
374
377
379
379
379
379
380
381
381
379
376
376
376
377
377
380
382
385
389
392
396

Sunday 19

Waxing Crescent 14%

06:52

23:50

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: 05:56, Set: 20:14, Transit: 13:05. Moon - Rise: 06:52, Set: 23:50. Civil Dark: 20:51 - 05:19. Nautical Dark: 21:36 - 04:32. Astro Dark: 22:30 - 03:36

Total Clouds (% Sky Obscured)

95
90
95
92
97
95
97
91
79
96
100
100
100
95
100
100
93
87
90
74
74
76
73
73

Low Clouds (% Sky Obscured)

80
90
86
79
84
85
90
81
59
89
100
100
85
83
95
96
93
87
82
70
52
49
37
33

Medium Clouds (% Sky Obscured)

87
35
37
81
86
88
71
65
57
58
100
98
100
89
99
100
55
34
42
45
48
46
48
41

High Clouds (% Sky Obscured)

28
1
40
40
40
40
30
30
13
25
68
88
100
36
98
83
75
75
80
74
57
28
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
5
5
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
33
19
14
14
19
22
38
65
75
72
78
68
47
31
24
23
23
26
27
25
23
20
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.6
0.4
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
75
78
82
87
88
88
90
90
91
91
88
79
66
61
50
39
32
31
31
32
36
51

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021

Ozone (du)

400
401
397
395
394
395
396
396
392
388
388
389
391
393
396
400
404
408
410
409
409
411
412
410

Monday 20

Waxing Crescent 23%

07:42

01:14

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

Sun - Rise: 05:54, Set: 20:15, Transit: 13:05. Moon - Rise: 07:42, Set: 01:14. Civil Dark: 20:53 - 05:16. Nautical Dark: 21:38 - 04:29. Astro Dark: 22:33 - 03:33

Total Clouds (% Sky Obscured)

69
64
56
53
45
35
30
23
15
9
2
2
3
5
7
14
29
25
14
2
6
8
1
3

Low Clouds (% Sky Obscured)

27
23
16
8
0
9
18
23
15
9
0
0
0
0
3
7
10
7
4
0
6
8
1
3

Medium Clouds (% Sky Obscured)

38
37
36
34
33
24
12
0
0
0
0
0
1
2
2
2
7
25
14
2
0
0
0
0

High Clouds (% Sky Obscured)

0
2
1
0
0
0
0
0
0
0
1
1
1
1
1
2
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 (%)

10
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
5
2

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)

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

Chance of Frost

Temperature (°C)

8
7
6
6
5
4
4
3
3
3
3
4
6
8
10
12
13
14
14
15
15
14
13
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
54
55
55
55
54
56
61
67
73
72
63
50
42
37
33
30
28
27
27
30
34
38
48

Pressure (mb)

1022
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1022
1022
1022
1022
1022

Ozone (du)

409
411
415
416
417
417
415
415
413
409
410
411
409
411
410
408
408
408
410
413
416
418
419
420

Tuesday 21

Waxing Crescent 34%

08:53

02:18

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

Sun - Rise: 05:52, Set: 20:17, Transit: 13:04. Moon - Rise: 08:53, Set: 02:18. Civil Dark: 20:55 - 05:14. Nautical Dark: 21:40 - 04:26. Astro Dark: 22:36 - 03:29

Total Clouds (% Sky Obscured)

4
0
0
1
1
17
33
49
30
14
0
37
32
34
45
59
72
77
83
87
90
86
87
65

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
10
19
29
32
35
40
41
47
59
74
79
80
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
9
18
27
20
9
0
37
32
28
24
9
10
10
6
6
6
6
9
8

High Clouds (% Sky Obscured)

0
0
0
1
1
3
5
7
5
2
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
1
0
6
13
19
20
20
16
14
11
3
4

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

Chance of Frost

Temperature (°C)

10
9
7
6
6
5
4
4
4
3
4
5
7
9
11
12
13
14
14
14
14
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
61
63
64
63
66
67
66
64
59
49
47
44
41
39
38
36
36
37
37
40
44
47

Pressure (mb)

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

Ozone (du)

422
424
425
424
424
423
421
419
419
420
421
421
419
417
415
415
416
416
415
413
411
410
408
406

Wednesday 22

Waxing Crescent 46%

10:17

03:02

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

Sun - Rise: 05:50, Set: 20:19, Transit: 13:04. Moon - Rise: 10:17, Set: 03:02. Civil Dark: 20:57 - 05:12. Nautical Dark: 21:42 - 04:24. Astro Dark: 22:39 - 03:26

Total Clouds (% Sky Obscured)

47
33
20
10
1
7
13
18
33
49
69
68
67
66
49
33
16
34
51
69
65
64
65
56

Low Clouds (% Sky Obscured)

22
3
2
1
0
3
5
8
5
3
1
1
0
0
0
0
1
6
14
22
23
24
21
15

Medium Clouds (% Sky Obscured)

9
11
6
3
0
0
0
0
1
3
4
18
30
47
37
22
11
19
29
36
37
35
38
38

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
2
4
5
3
7
8
12
10
7
5
31
51
69
65
64
65
56

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 (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
8
8
8
5
6
5
5
5
5
5
5
5
6
7
7
13
12
12
12
13
12

Dew Point (°C)

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

Relative Humidity (%)

51
55
59
63
68
73
74
78
79
72
69
65
56
49
43
41
39
38
36
36
36
38
41
43

Pressure (mb)

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

Ozone (du)

404
402
400
397
393
389
387
384
381
380
379
378
379
381
382
381
380
379
377
376
375
375
374
374

Thursday 23

Waxing Crescent 57%

11:44

03:30

21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:48, Set: 20:21, Transit: 13:04. Moon - Rise: 11:44, Set: 03:30. Civil Dark: 20:58 - 05:10. Nautical Dark: 21:45 - 04:21. Astro Dark: 22:42 - 03:22

Total Clouds (% Sky Obscured)

47
40
51
58
66
64
62
56
43
30
23
31
39
48
55
62
69

Low Clouds (% Sky Obscured)

9
3
3
2
2
1
1
0
0
0
0
0
0
0
1
1
2

Medium Clouds (% Sky Obscured)

39
36
42
46
50
37
31
24
23
22
21
22
26
26
29
31
29

High Clouds (% Sky Obscured)

35
13
28
42
57
55
54
56
40
24
8
14
20
26
30
34
39

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
49
51
50
49
48
49
49
49
49
47
47
44
43
41
38
35

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019

Ozone (du)

374
374
375
376
377
378
377
377
376
376
376
375
376
376
376
378
380

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 17/04/26 21:52:34. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00