Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 6%

05:10

17:54

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 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:19, Set: 21:03, Transit: 13:13. Moon - Rise: 05:10, Set: 17:54. Civil Dark: 22:10 - 04:11. Nautical Dark: 00:17 - 01:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
92
94
95
62
95
100
97
99
100
100
100
49
35
40
35
35
35
100
92
83
70
45
54

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)

90
91
94
95
61
84
82
87
90
99
100
100
37
2
0
0
0
0
86
82
69
57
40
54

High Clouds (% Sky Obscured)

90
92
94
95
62
95
100
97
99
100
100
100
49
35
1
0
0
20
100
73
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
1
0
0
0
0
0
0
0
1
0
0
1
7
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
1
1
1

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
1
1
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-2
-1
0
4
6
8
10
11
12
12
11
11
9
7
4
2
1
-0
-1
-2
-3
-3
-3
-3

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-0
4
6
8
10
11
12
12
11
11
9
7
4
2
0
-1
-2
-3
-3
-4
-5
-5

Relative Humidity (%)

98
92
96
100
100
100
100
100
100
100
100
100
100
100
98
98
96
96
96
96
94
91
89
91

Pressure (mb)

1033
1033
1032
1032
1031
1031
1030
1030
1029
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024

Ozone (du)

382
383
386
387
387
387
387
386
387
391
397
403
419
433
445
443
446
453
454
455
452
447
445
446

Thursday 16

Waning Crescent 2%

04:50

19:57

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

Sun - Rise: 05:15, Set: 21:07, Transit: 13:13. Moon - Rise: 04:50, Set: 19:57. Civil Dark: 22:15 - 04:05. Nautical Dark: 00:35 - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
35
21
2
7
4
5
13
24
20
30
30
36
40
35
15
14
13
25
12
6
2
30
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
8
14
22
5
5
2
1
1
1
1
25
32

Medium Clouds (% Sky Obscured)

75
7
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
2
29
22
15
14
3
25
12
6
2
8
16

ISS Passover

Visibility (miles)

9
9
9
6
5
4
4
5
5
4
0
0
0
9
6
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
91
89
91
91
91
93
95
93
96
98
98
96
96
94
94
96
98
96
94
94
94
94

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

445
442
435
429
425
421
417
414
412
410
407
406
402
399
397
395
396
397
397
393
390
388
386
384

Friday 17

New Moon 0%

04:22

22:15

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

Sun - Rise: 05:10, Set: 21:10, Transit: 13:12. Moon - Rise: 04:22, Set: 22:15. Civil Dark: 22:20 - 04:00. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
52
70
70
45
90
89
78
80
75
81
84
89
95
91
31
25
20
15
34
44
61
80
76

Low Clouds (% Sky Obscured)

55
52
70
59
24
77
72
40
46
18
24
36
63
68
75
31
25
20
15
34
44
61
70
59

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
3
27
29
4
2
1
0
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
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
10
1
0
0
8
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
4
4
5
5
6
7
7
6
6
6
7
6
5
4
4
4
4
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
87
84
83
79
78
76
82
83
83
85
80
79
81
86
92
94
96
94
98
96
94
81

Pressure (mb)

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

Ozone (du)

384
383
383
383
385
388
392
394
394
394
396
396
397
398
398
400
400
400
399
397
397
397
396
395

Saturday 18

Waxing Crescent 2%

03:13

01:23

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

Sun - Rise: 05:06, Set: 21:14, Transit: 13:12. Moon - Rise: 03:13, Set: 01:23. Civil Dark: 22:25 - 03:54. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
46
49
47
47
49
50
51
55
60
64
46
22
4
11
17
28
61
75
76
75
71
69
56

Low Clouds (% Sky Obscured)

45
33
37
41
45
46
47
49
54
60
64
39
19
1
5
15
28
40
43
36
29
11
6
3

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
2
0
0
3
2
2
1
2
2
2
9
2
2
2
1
1
5
8
21
28
34
39
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
2
0
0
0
0
5
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
73
71
73
72
71
68
66
66
67
74
88
93
96
96
98
98
98
100
98
98
96
90

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

393
391
391
391
390
390
388
387
385
384
383
383
383
384
384
384
385
386
386
385
385
385
385
385

Sunday 19

Waxing Crescent 6%

No Rise

No Set

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

Sun - Rise: 05:02, Set: 21:18, Transit: 13:12. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:30 - 03:49. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
28
19
18
33
18
5
4
4
3
2
2
7
10
0
1
1
1
7
15
21
45
81
69

Low Clouds (% Sky Obscured)

2
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
1
1
7
15
21
27
14
7

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)

27
23
15
12
25
12
2
4
4
3
2
2
7
5
0
1
1
1
7
5
6
7
8
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
2
2
2
1
1
0
2
4
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
81
78
74
71
70
72
72
73
73
75
81
87
94
96
96
98
98
98
98
98
98
96
96

Pressure (mb)

1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1029
1029
1031
1031
1031
1031
1032
1032
1032
1032
1032

Ozone (du)

385
386
387
387
388
387
386
385
384
384
384
383
382
382
381
381
380
380
380
380
380
381
381
382

Monday 20

Waxing Crescent 13%

No Rise

No Set

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

Sun - Rise: 04:58, Set: 21:22, Transit: 13:12. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:35 - 03:43. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
36
28
19
11
24
37
50
56
61
67
74
81
88
81
75
68
47
25
2
6
10
14
42

Low Clouds (% Sky Obscured)

3
2
1
2
1
14
29
42
46
51
53
49
33
26
22
23
22
22
20
2
6
10
14
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
4
6
4
3
1
2
3
5
16
27
38
30
17
1
1
0
0
1

High Clouds (% Sky Obscured)

7
7
6
5
4
2
1
0
0
0
0
3
7
7
6
5
3
2
1
0
2
4
7
37

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
84
78
76
72
69
71
73
76
75
75
78
81
83
85
85
84
84
84
86
86
86
86
86

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033

Ozone (du)

382
381
381
382
383
383
384
384
385
385
386
386
388
390
392
398
404
410
410
411
411
411
410
410

Tuesday 21

Waxing Crescent 23%

No Rise

No Set

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: 04:53, Set: 21:26, Transit: 13:12. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:41 - 03:37. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
99
99
99
99
99
98
97
98
99
99
99
99
99
97
98
97
95
94
92

Low Clouds (% Sky Obscured)

16
1
1
2
2
11
21
30
31
33
34
42
52
60
61
60
63
69
75
85

Medium Clouds (% Sky Obscured)

3
4
33
62
88
86
85
85
81
80
82
82
82
83
82
78
76
75
76
71

High Clouds (% Sky Obscured)

68
98
93
89
84
66
48
30
48
59
70
60
50
50
50
50
55
55
60
70

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
0
0
0
2
2
3
3
1
0
15
17
12
13
15
16
13
9
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)

4
5
5
7
8
9
9
10
10
10
9
9
9
8
8
7
5
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
73
68
64
63
60
62
63
63
66
69
73
74
75
76
77
82
83
83
83

Pressure (mb)

1032
1031
1031
1030
1029
1029
1028
1027
1027
1026
1025
1025
1024
1024
1023
1023
1022
1022
1021
1020

Ozone (du)

410
410
410
411
412
413
413
413
413
412
412
412
413
414
415
415
415
415
415
416

Forecast for Tähtelä, Pohjois-Lappi, Finland (67.37,26.63)

Generated: 15/04/26 07:17:19. Forecast: 15/04/26 to 21/04/26. Timezone: UTC+3.00