Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

05:35

23:46

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

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)

52
50
44
63
58
42
35
10
16
21
58
84
89
83
87
87
85
80
69
70
54
4
6
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
13
14
51
78
84
78
80
80
80
70
57
57
44
4
5
3

Medium Clouds (% Sky Obscured)

35
20
44
63
58
42
35
1
0
0
28
29
35
32
40
37
32
35
29
29
19
0
0
0

High Clouds (% Sky Obscured)

6
8
44
19
58
42
35
1
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
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
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
5
5
6
6
5
5
5
5
4
5
7
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

3
3
4
6
8
10
12
13
13
14
14
14
14
14
13
11
9
8
7
6
5
5
4
3

Feels Like (°C)

0
0
2
5
6
8
10
11
12
12
13
11
11
10
10
8
6
4
3
3
2
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

68
69
71
63
53
45
39
36
32
31
30
29
30
31
34
40
46
49
53
57
59
62
68
73

Pressure (mb)

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

Ozone (du)

379
378
377
376
377
378
378
378
376
376
376
379
380
380
380
380
381
383
389
395
400
404
405
407

Sunday 19

Waxing Crescent 6%

05:33

01:54

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
23 Good
00 Good
01 Good
02 Good
03 Good
04 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)

5
5
5
4
0
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
3
7
8
11

Low Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
74
63
54
46
40
34
29
26
25
24
24
24
25
34
40
42
44
46
48
52
52
54

Pressure (mb)

1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1030
1030

Ozone (du)

407
405
402
401
398
397
397
399
404
406
405
404
404
406
407
407
409
412
411
407
404
404
401
398

Monday 20

Waxing Crescent 13%

05:34

03:56

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
23 Good
00 Good
01 Good
02 OK
03 Bad
04 OK

Sun - Rise: 05:53, Set: 21:08, Transit: 13:31. Moon - Rise: 05:34, Set: 03:56. Civil Dark: 21:59 - 04:58. Nautical Dark: 23:13 - 03:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

11
9
6
9
6
10
12
7
7
17
18
11
5
5
5
4
6
5
0
0
0
33
53
46

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
41
2

High Clouds (% Sky Obscured)

4
3
2
4
3
8
11
4
5
15
15
9
3
3
3
1
3
2
0
0
0
30
34
33

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
53
52
44
36
31
27
24
23
23
24
27
30
33
37
42
50
54
55
57
58
59
62
64

Pressure (mb)

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

Ozone (du)

396
393
390
386
383
382
383
385
388
390
392
393
393
394
394
395
394
391
389
394
401
399
399
399

Tuesday 21

Waxing Crescent 23%

05:48

04:53

05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Good
12 Good
13 Good
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: 05:50, Set: 21:11, Transit: 13:30. Moon - Rise: 05:48, Set: 04:53. Civil Dark: 22:03 - 04:55. Nautical Dark: 23:18 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

44
32
54
54
66
67
17
7
6
44
55
63
74
75
78
83
88
89
96
97
99
100
99
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

2
2
0
1
3
9
8
6
3
1
0
0
2
2
33
4
25
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
22
50
47
58
56
10
0
4
44
55
63
74
73
72
73
80
86
93
95
97
100
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
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)

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

Chance of Frost

Temperature (°C)

2
2
3
5
7
9
10
12
13
14
14
13
13
12
11
9
8
7
6
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
70
61
56
51
44
39
35
32
32
31
31
34
39
45
51
57
60
62
62
63
66
72

Pressure (mb)

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

Ozone (du)

397
397
396
394
393
394
396
398
397
396
396
395
394
393
391
391
392
393
396
398
395
395
395
395

Wednesday 22

Waxing Crescent 34%

07:07

05:01

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:47, Set: 21:14, Transit: 13:30. Moon - Rise: 07:07, Set: 05:01. Civil Dark: 22:06 - 04:51. Nautical Dark: 23:23 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
100
100
100
100
86
76
65
56
51
45
83
64
42
29
19
10
36
68

Low Clouds (% Sky Obscured)

0
9
18
27
17
14
14
12
11
10
10
21
56
56
51
45
60
36
11
24
19
10
36
68

Medium Clouds (% Sky Obscured)

0
7
17
26
18
11
31
3
1
0
0
0
0
0
11
40
77
64
42
29
19
10
36
27

High Clouds (% Sky Obscured)

100
97
94
92
95
98
100
100
100
100
78
53
30
24
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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
6
26
45
22
18
13
3
25
39
50
46
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
5
6
7
7
8
8
9
9
10
10
10
9
9
7
6
3
2
1
0
-1
-1
-0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
82
72
67
66
64
65
64
61
60
61
64
67
70
74
57
56
56
56
57
57
60
61

Pressure (mb)

1015
1014
1013
1012
1012
1011
1010
1009
1008
1007
1006
1005
1005
1004
1004
1004
1004
1001
1002
1003
1003
1003
1003
1003

Ozone (du)

394
391
392
391
390
390
389
386
386
386
388
393
396
397
408
433
447
453
459
465
469
474
478
485

Thursday 23

Waxing Crescent 45%

09:08

05:01

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:44, Set: 21:16, Transit: 13:30. Moon - Rise: 09:08, Set: 05:01. Civil Dark: 22:09 - 04:48. Nautical Dark: 23:28 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
97
97
99
99
99
100
95
89
84
73
64
52
66
76
88
90
92
95
95
97
95
92
91

Low Clouds (% Sky Obscured)

92
93
94
95
90
87
82
81
81
82
67
52
43
50
57
64
66
70
77
75
71
72
82
88

Medium Clouds (% Sky Obscured)

3
12
21
33
46
57
64
55
39
20
14
12
8
9
11
16
14
16
11
10
6
6
4
5

High 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

ISS Passover

Visibility (miles)

9
9
9
8
8
8
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 (%)

31
29
25
15
21
22
22
24
23
17
14
12
10
7
5
2
3
4
2
4
3
0
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)

10
10
11
12
12
12
13
14
13
13
13
12
12
11
10
10
9
9
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
64
66
68
69
64
60
56
52
49
45
48
50
53
57
60
63
65
67
68
67
67
66
68

Pressure (mb)

1004
1004
1005
1005
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

491
498
493
487
482
483
484
484
485
486
486
486
486
486
482
478
475
469
463
457
454
450
446
447

Friday 24

First Quarter 57%

11:06

04:59

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:41, Set: 21:19, Transit: 13:30. Moon - Rise: 11:06, Set: 04:59. Civil Dark: 22:12 - 04:44. Nautical Dark: 23:33 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
79
75
63
70
77
87
85
83
82
84
80
80
76
68
57
57
57
60
78
88
100

Low Clouds (% Sky Obscured)

85
77
72
63
70
77
84
83
82
81
80
76
68
56
50
40
40
40
40
50
55
61

Medium Clouds (% Sky Obscured)

6
8
9
10
14
21
20
11
6
2
2
3
3
7
9
10
15
16
19
30
44
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
13
24
38
57

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
1
0
8
11
10
23
30
32
30
24
10
11
8
2
4
6
7
7
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
71
71
71
66
62
58
57
55
53
55
57
59
63
66
70
75
79
83
85
86

Pressure (mb)

1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002

Ozone (du)

448
449
448
446
444
439
434
429
426
423
419
418
417
415
414
413
412
411
411
410
411
411

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

Generated: 18/04/26 05:05:30. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+3.00