Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 69%

No Rise

No Set

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
21 Bad

Sun - Rise: 05:16, Set: 21:55, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:13 - 03:51. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
100
100
100
100
88
44

Low Clouds (% Sky Obscured)

85
82
71
78
78
92
98
99
97
99
99
98
97
97
95
93
89
91
89
90
88
85
78
37

Medium Clouds (% Sky Obscured)

3
45
97
99
99
83
93
98
71
88
94
85
72
98
82
77
32
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
43
70
85
80
80
68
14
18
80
85
85
85
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
5
20
30
51
64
62
57
67
72
72
69
67
56
38
27
33
25
24
22
13
13
10

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.3
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.2
0
0
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
10
5
3
3
4
6
7
7
6
5
4
4
3
1
1
2
5
10
12
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
96
94
94
94
94
94
92
92
89
86
84
84
91
89
87
92
94
94

Pressure (mb)

1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1017
1017
1018
1018

Ozone (du)

409
409
411
412
411
411
411
414
417
419
422
428
429
424
426
428
428
429
428
426
422
416
411
407

Saturday 19

Waning Gibbous 59%

No Rise

No Set

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:11, Set: N/A, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:20 - 03:44. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
71
80
76
50
56
54
53
54
56
52
38
51
40
33
14
15
12
17
16
46
75
77
88

Low Clouds (% Sky Obscured)

49
58
66
66
45
51
45
48
47
50
45
31
44
33
29
14
15
12
16
16
15
18
20
39

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
1
2
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4
36
66
66
73

ISS Passover

Visibility (miles)

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

Fog (%)

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

18
10
17
13
20
21
19
19
22
14
21
13
13
12
12
17
17
18
19
11
10
12
14
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-7
-8
-8
-8
-8
-8
-9
-9
-9
-10
-10
-10
-9
-10
-9
-10
-9
-9
-9
-9
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

91
92
91
92
90
89
89
89
89
89
92
89
85
77
73
70
70
67
69
71
77
79
82
84

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020

Ozone (du)

406
408
411
413
414
415
414
414
412
411
411
411
411
410
408
407
405
406
405
405
407
408
409
411

Sunday 20

Waning Gibbous 49%

No Rise

No Set

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 OK
17 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 05:06, Set: 22:00, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:26 - 03:37. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
87
86
82
84
83
74
75
77
78
72
58
55
54
55
55
54
45
17
1
0
1
6
6

Low Clouds (% Sky Obscured)

41
37
49
19
12
36
47
55
61
65
62
49
45
44
45
50
49
44
16
1
0
1
6
4

Medium Clouds (% Sky Obscured)

23
32
32
19
19
35
30
14
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
82
86
82
84
83
60
5
4
4
4
4
4
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
1
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 (%)

13
12
12
10
13
7
7
6
4
4
3
2
3
3
3
8
4
4
5
4
4
2
0
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)

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

Chance of Frost

Temperature (°C)

-6
-7
-7
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8
-7
-7
-7
-7
-7
-7

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-9
-9
-10
-10
-10
-11
-11
-11
-11
-12
-12
-12
-13
-13
-13
-13
-13
-11
-10
-10
-10

Relative Humidity (%)

87
89
90
87
87
87
87
87
87
87
87
87
83
78
75
71
68
66
63
63
74
76
80
82

Pressure (mb)

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

Ozone (du)

414
416
420
422
420
417
416
415
415
416
417
418
419
420
422
423
421
420
417
415
414
415
415
417

Monday 21

Third Quarter 38%

07:22

10:50

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

Sun - Rise: 05:01, Set: 22:04, Transit: 13:35. Moon - Rise: 07:22, Set: 10:50. Civil Dark: 23:33 - 03:29. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
5
15
6
5
7
8
12
30
30
26
20
14
35
56
72
88
90
92
93
88
89
85
85

Low Clouds (% Sky Obscured)

5
5
15
6
5
3
3
7
22
22
8
7
5
35
56
72
87
90
90
93
88
89
85
85

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
2
2
2
2
2
4
4
4
2
1
1
1
1
2

High Clouds (% Sky Obscured)

0
0
5
3
3
7
5
5
20
20
26
20
10
17
27
49
47
20
5
7
5
5
5
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
7
8
9
9
9
9
9
9
9
4
2
1
1
1
0
0

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 (%)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
3
11
19
19
13
21
20
21

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

Chance of Frost

Temperature (°C)

-8
-9
-10
-10
-10
-11
-11
-11
-12
-11
-11
-11
-10
-10
-10
-10
-9
-9
-9
-8
-8
-9
-9
-9

Feels Like (°C)

-11
-11
-12
-13
-12
-12
-13
-13
-13
-14
-13
-13
-13
-13
-13
-14
-14
-14
-13
-13
-12
-12
-13
-12

Dew Point (°C)

-11
-11
-12
-12
-12
-13
-13
-13
-14
-14
-13
-13
-13
-13
-13
-13
-12
-12
-12
-11
-11
-10
-10
-10

Relative Humidity (%)

83
85
83
83
83
83
83
83
81
81
83
80
77
77
78
78
78
80
80
83
83
87
90
92

Pressure (mb)

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

Ozone (du)

420
422
421
420
420
419
418
417
417
419
419
419
417
415
416
417
418
416
414
412
410
411
416
410

Tuesday 22

Waning Crescent 27%

06:25

13:32

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
21 Bad

Sun - Rise: 04:56, Set: 22:09, Transit: 13:35. Moon - Rise: 06:25, Set: 13:32. Civil Dark: 23:41 - 03:21. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
90
95
95
95
90
95
95
90
90
90
100
95
90
90
90
85
93
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
90
90
85
85
85
85
81
81
79
72
83
79
72
73
67
64
47
29
13
26
40
53
67

Medium Clouds (% Sky Obscured)

2
2
2
3
6
18
20
20
20
20
25
65
65
65
65
65
65
77
88
100
98
97
95
97

High Clouds (% Sky Obscured)

65
63
85
85
85
85
85
90
90
90
53
36
19
1
1
0
0
0
0
0
0
0
2
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
2
4
7
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 (%)

21
26
20
25
20
18
17
15
18
5
14
12
8
4
6
8
10
9
8
3
6
9
5
12

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

Chance of Frost

Temperature (°C)

-9
-9
-9
-9
-10
-10
-10
-10
-11
-11
-10
-10
-10
-10
-9
-9
-8
-8
-8
-8
-7
-7
-7
-7

Feels Like (°C)

-13
-12
-13
-13
-13
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-12
-12
-12
-11
-10

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
88
90
90
90
90
90
90
90
88
83
80
77
72
69
65
70
71
74
79
82
85

Pressure (mb)

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

Ozone (du)

404
404
401
398
402
405
406
407
407
406
407
411
414
416
419
421
422
424
422
421
419
419
419
418

Wednesday 23

Waning Crescent 17%

05:53

15:48

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
21 Bad

Sun - Rise: 04:51, Set: 22:13, Transit: 13:35. Moon - Rise: 05:53, Set: 15:48. Civil Dark: 23:49 - 03:12. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
93
87
80
78
76
73
55
38
20
41
63
85
90
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
96
96
97
94
86
81
75
73
73
72
53
35
16
28
41
51
46
42
41
36
31
22
23

Medium Clouds (% Sky Obscured)

98
100
85
67
40
32
23
19
23
16
5
5
4
4
0
0
0
21
42
60
47
33
19
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
27
53
79
86
93
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
11
19
23
26
30
33
31
40
44
45
52
49
44
46
40
31
31
26
12
19
17
7
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-10
-10
-10
-10
-11
-10
-9
-12
-14
-17
-12
-12
-12
-12
-11
-10
-8
-8
-8
-6
-6
-5

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-10
-10
-9
-9
-9
-9
-9
-10
-9
-10
-9
-8
-7
-7
-7
-7

Relative Humidity (%)

87
87
90
88
90
90
90
90
88
88
90
88
87
83
80
76
73
69
73
76
78
82
84
89

Pressure (mb)

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

Ozone (du)

419
419
420
420
421
421
421
422
422
425
428
431
429
427
425
423
421
419
417
414
412
413
413
414

Thursday 24

Waning Crescent 9%

05:26

18:02

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

Sun - Rise: 04:46, Set: 22:18, Transit: 13:34. Moon - Rise: 05:26, Set: 18:02. Civil Dark: 23:57 - 03:02. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
94
91
84
78
72
81
90
99
94
89
85

Low Clouds (% Sky Obscured)

20
19
33
49
65
61
56
53
59
64
68
72
77
80
79
78
77

Medium Clouds (% Sky Obscured)

15
13
22
31
40
41
37
36
32
24
14
16
8
10
16
29
34

High Clouds (% Sky Obscured)

100
95
90
86
81
59
44
31
21
11
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
Snow
Snow
None
Snow
Snow
None
Snow
Snow
None
None
None
None

Precipitation Probability (%)

19
14
30
38
40
51
50
42
51
51
45
49
49
45
45
43
38

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.1
0
0.1
0.1
0
0.1
0.1
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-6
-7
-7
-6
-6
-6
-6
-7
-7
-6
-6
-6
-6
-6
-5
-5

Feels Like (°C)

-9
-10
-9
-10
-11
-12
-10
-10
-10
-11
-12
-14
-9
-9
-9
-9
-9

Dew Point (°C)

-7
-8
-8
-8
-7
-7
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9
-8

Relative Humidity (%)

89
89
90
90
90
90
92
94
92
92
90
90
85
79
74
76
79

Pressure (mb)

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

Ozone (du)

416
417
418
422
426
429
431
432
434
434
433
433
431
429
426
428
430

Forecast for Kilpisjärvi, Tunturi-Lappi, Finland (69.07,20.76)

Generated: 18/04/25 22:07:23. Forecast: 18/04/25 to 24/04/25. Timezone: UTC+3.00