Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 21%

05:50

14:52

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

Sun - Rise: 06:15, Set: 20:50, Transit: 13:32. Moon - Rise: 05:50, Set: 14:52. Civil Dark: 21:38 - 05:27. Nautical Dark: 22:43 - 04:17. Astro Dark: 00:23 - 02:31

Total Clouds (% Sky Obscured)

11
10
13
13
10
26
41
30
13
40
33
28
79
91
89
80
28
26
19
3
1
0
1
2

Low Clouds (% Sky Obscured)

4
8
13
4
4
4
4
2
4
4
6
4
62
78
80
61
5
6
6
1
0
0
0
2

Medium Clouds (% Sky Obscured)

1
3
10
7
0
0
0
0
0
40
33
28
48
48
45
45
28
26
19
0
0
0
0
0

High Clouds (% Sky Obscured)

0
2
2
2
2
15
27
22
7
3
2
2
2
3
2
6
2
2
2
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)

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

Chance of Frost

Temperature (°C)

-1
-0
1
3
6
8
10
12
12
13
13
14
14
13
10
7
6
5
4
4
4
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
80
76
67
59
53
48
41
37
34
33
34
38
53
65
72
73
73
73
75
75
76
79

Pressure (mb)

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

Ozone (du)

403
402
402
402
403
403
402
402
402
402
404
404
405
403
404
406
409
411
411
412
411
409
408
407

Tuesday 14

Waning Crescent 13%

05:47

16:30

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

Sun - Rise: 06:12, Set: 20:52, Transit: 13:32. Moon - Rise: 05:47, Set: 16:30. Civil Dark: 21:41 - 05:23. Nautical Dark: 22:47 - 04:12. Astro Dark: 00:33 - 02:18

Total Clouds (% Sky Obscured)

2
1
0
0
0
0
0
33
45
36
19
38
53
65
68
57
39
37
1
16
20
25
25
22

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
0
13
13
12
11
15
23
43
36
9
1
1
0
16
19
17
18
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
25
28
21
11
30
38
29
27
28
33
37
0
2
2
2
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
2
13
24
14
7
1
0
1
2
2
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
31
30
23

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

Chance of Frost

Temperature (°C)

3
2
2
4
7
9
10
12
13
13
14
14
14
14
13
10
7
6
5
4
4
3
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
86
85
76
63
55
48
43
39
37
34
33
33
33
40
50
57
59
58
59
60
62
64
66

Pressure (mb)

1034
1034
1034
1034
1034
1035
1035
1034
1033
1033
1033
1032
1032
1031
1031
1031
1031
1032
1031
1031
1031
1031
1031
1031

Ozone (du)

408
410
409
412
415
417
418
420
423
426
427
426
421
416
411
408
407
406
405
403
400
398
396
395

Wednesday 15

Waning Crescent 6%

05:44

18:10

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

Sun - Rise: 06:09, Set: 20:55, Transit: 13:32. Moon - Rise: 05:44, Set: 18:10. Civil Dark: 21:44 - 05:20. Nautical Dark: 22:51 - 04:08. Astro Dark: 00:45 - 02:01

Total Clouds (% Sky Obscured)

18
18
13
0
0
0
0
0
3
2
3
29
51
43
45
55
45
31
44
45
37
52
46
39

Low Clouds (% Sky Obscured)

15
15
9
0
0
0
0
0
3
2
3
29
37
16
3
3
3
3
2
2
2
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
32
43
45
55
45
5
19
9
10
39
41
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
22
35
2
2
2
31
31
34
29
50
36
34

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 (%)

11
1
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
8
10

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)

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

Chance of Frost

Temperature (°C)

2
2
2
4
7
10
12
14
14
15
15
14
13
12
11
9
7
6
5
5
5
4
4
3

Feels Like (°C)

1
1
1
4
7
9
12
14
14
14
13
12
9
8
8
7
4
3
4
4
4
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

68
69
69
63
53
47
40
36
33
31
32
35
39
42
48
53
58
61
64
65
65
66
69
72

Pressure (mb)

1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025

Ozone (du)

396
396
395
396
398
400
400
401
402
404
405
409
414
415
417
418
420
423
426
423
424
428
432
434

Thursday 16

Waning Crescent 2%

05:40

19:54

05 OK
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
04 Bad

Sun - Rise: 06:05, Set: 20:58, Transit: 13:32. Moon - Rise: 05:40, Set: 19:54. Civil Dark: 21:47 - 05:16. Nautical Dark: 22:55 - 04:03. Astro Dark: 01:02 - N/A

Total Clouds (% Sky Obscured)

44
42
39
40
40
40
47
44
50
52
53
64
65
66
68
92
82
97
91
61
92
86
56
44

Low Clouds (% Sky Obscured)

0
22
39
40
40
40
35
40
48
52
45
52
55
60
55
50
40
29
29
34
40
45
50
44

Medium Clouds (% Sky Obscured)

44
42
39
40
40
40
47
44
50
51
52
54
50
54
51
50
43
41
39
24
12
3
13
21

High Clouds (% Sky Obscured)

23
31
32
40
30
17
2
0
4
3
2
5
5
3
7
25
34
57
67
61
83
86
55
26

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

Precipitation Probability (%)

5
35
46
56
50
42
30
29
32
35
36
40
44
39
33
24
24
24
28
24
18
7
9
12

Precipitation Amount (mm)

0
0
0
0.3
0.2
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
5
5
6
7
8
8
8
8
7
7
6
6
5
4
4
4
4
4
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
76
70
59
52
47
44
42
41
40
40
41
43
47
56
67
71
72
74
75
76
76
77

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

435
437
440
442
444
442
436
431
429
426
423
418
414
412
408
404
401
397
394
394
393
390
388
386

Friday 17

New Moon 0%

05:37

21:45

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

Sun - Rise: 06:02, Set: 21:00, Transit: 13:31. Moon - Rise: 05:37, Set: 21:45. Civil Dark: 21:50 - 05:13. Nautical Dark: 23:00 - 03:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

43
44
49
78
95
95
99
96
98
97
98
98
98
71
70
46
39
25
16
11
9
7
2
1

Low Clouds (% Sky Obscured)

43
44
49
56
36
32
32
31
31
32
31
31
36
31
27
25
5
7
10
11
9
7
2
1

Medium Clouds (% Sky Obscured)

33
41
49
60
61
62
63
56
48
41
41
39
36
31
26
20
33
25
16
11
9
7
2
1

High Clouds (% Sky Obscured)

1
1
2
14
31
35
40
40
50
45
40
30
30
10
13
2
27
14
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 (%)

12
16
19
19
17
13
8
11
12
11
10
7
1
2
1
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)

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

Chance of Frost

Temperature (°C)

4
4
4
5
6
8
9
10
11
12
12
11
11
10
9
8
6
5
4
4
3
2
2
1

Feels Like (°C)

4
3
4
5
5
5
7
7
8
8
7
7
7
7
6
5
4
4
3
2
3
3
3
0

Dew Point (°C)

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

Relative Humidity (%)

79
80
77
70
59
51
46
43
42
41
41
42
42
43
46
53
61
63
66
68
70
73
77
78

Pressure (mb)

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

Ozone (du)

384
382
379
377
376
373
369
367
365
366
366
366
366
368
368
371
373
377
381
384
386
388
390
390

Saturday 18

Waxing Crescent 2%

05:35

23:46

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

Sun - Rise: 05:59, Set: 21:03, Transit: 13:31. Moon - Rise: 05:35, Set: 23:46. Civil Dark: 21:53 - 05:09. Nautical Dark: 23:04 - 03:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

4
13
22
43
35
33
25
18
14
11
18
21
26
18
14
11
15
15
12
14
14
22
27
28

Low Clouds (% Sky Obscured)

4
13
12
8
8
8
8
7
6
5
14
21
23
18
13
8
15
15
12
14
14
22
20
15

Medium Clouds (% Sky Obscured)

4
13
22
39
26
19
14
9
4
2
1
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
2
2
2
1
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
1
0
7
14
4
8
4
3
1
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
5
5
6
6
7
7
7
8
8
8
7
6
5
4
3
3
3
3
2
3
3

Chance of Frost

Temperature (°C)

1
1
2
4
5
7
9
11
12
13
13
13
12
11
9
7
5
4
3
2
2
2
1
1

Feels Like (°C)

0
1
1
1
0
5
6
7
7
8
8
10
9
8
8
7
7
2
2
3
3
2
2
0

Dew Point (°C)

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

Relative Humidity (%)

81
84
79
72
66
58
52
47
44
41
38
37
36
35
41
47
53
55
58
62
62
63
64
65

Pressure (mb)

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

Ozone (du)

391
391
391
390
390
392
394
396
397
397
398
397
396
395
395
395
395
395
395
395
395
395
395
396

Sunday 19

Waxing Crescent 6%

05:33

01:54

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

Sun - Rise: 05:56, Set: 21:06, Transit: 13:31. Moon - Rise: 05:33, Set: 01:54. Civil Dark: 21:56 - 05:05. Nautical Dark: 23:09 - 03:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
50
61
80
59
38
24
49
70
90
86
77
72
64
54
43
31
19
8
10
9
10

Low Clouds (% Sky Obscured)

20
30
35
30
20
8
0
3
5
8
5
3
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
2
8
13
15
26
41
56
46
38
32
22
12
2
1
1
0

High Clouds (% Sky Obscured)

1
2
4
7
10
17
11
12
4
5
5
5
5
4
4
6
6
6
6
6
7
10

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
2
3
4
7
9
11
12
13
13
13
12
11
10
8
7
6
5
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
66
59
53
48
42
38
33
31
30
28
31
34
37
43
50
58
61
65
68
68
68

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

397
397
398
398
398
398
398
398
399
399
400
400
400
401
398
394
391
391
390
390
391
391

Forecast for Ravani, Pori, Finland (61.43,21.93)

Generated: 13/04/26 05:21:23. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+3.00