Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

04:20

23:04

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:22, Set: 21:46, Transit: 13:36. Moon - Rise: 04:20, Set: 23:04. Civil Dark: 23:05 - 04:00. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
52
63
98
97
100
94
85
84
82
87
83
86
96
100
100
98
92
83
85
82
75
79
76

Low Clouds (% Sky Obscured)

39
52
63
93
95
94
86
74
78
76
78
68
72
78
81
81
78
75
72
75
73
63
65
59

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)

39
26
26
30
56
46
37
21
4
4
4
4
0
0
4
2
2
2
2
4
4
4
4
4

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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-6
-6
-6
-7
-7
-7
-7
-8
-7
-7
-7

Relative Humidity (%)

87
87
86
84
83
83
83
84
84
84
84
86
86
84
84
84
82
82
82
82
81
82
81
81

Pressure (mb)

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

Ozone (du)

365
367
367
367
366
366
366
366
366
367
368
368
369
368
366
366
366
365
365
364
363
364
364
364

Saturday 18

Waxing Crescent 2%

No Rise

No Set

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
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Good
12 Good

Sun - Rise: 05:17, Set: 21:50, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:11 - 03:53. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
65
58
57
53
63
80
87
95
95
95
95
100
95
82
93
89
88
86
57
19
14
14
14

Low Clouds (% Sky Obscured)

42
50
42
38
36
44
57
58
70
70
70
70
80
75
57
73
64
63
67
42
8
4
3
4

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)

4
4
4
4
4
4
6
5
4
6
6
8
8
8
8
6
4
4
4
4
4
5
4
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
1
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
17
15
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
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
7
7
7
7
6
6
5
5
4
4
4
3
3
2
2
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-7
-6
-6
-5
-5
-5
-6
-6
-6
-6
-5
-6
-6
-6
-6
-6
-6
-6
-6
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

82
84
86
84
84
81
83
83
81
83
84
87
89
91
92
98
94
91
89
89
87
87
86
84

Pressure (mb)

1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027

Ozone (du)

364
364
363
362
362
363
363
363
364
365
366
367
369
370
371
371
372
372
372
373
373
373
373
373

Sunday 19

Waxing Crescent 6%

No Rise

No Set

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

Sun - Rise: 05:12, Set: 21:54, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:18 - 03:46. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

12
11
10
9
12
10
11
10
21
29
40
36
28
20
39
34
79
75
78
89
88
89
89
77

Low Clouds (% Sky Obscured)

3
2
2
2
1
1
1
1
1
1
1
0
0
0
1
2
39
29
43
66
65
65
85
60

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
0
1
7
66
52
59
76
78
82
48
48

High Clouds (% Sky Obscured)

4
4
4
4
9
5
5
4
19
29
40
36
28
20
39
34
9
60
70
85
80
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
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
19
17
20
32

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
78
78
78
78
78
77
77
74
73
73
71
72
72
72
74
74
74
72
74
84
96
100

Pressure (mb)

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

Ozone (du)

372
372
373
373
374
375
377
378
378
379
381
383
384
386
386
386
387
388
386
386
389
392
404
409

Monday 20

Waxing Crescent 13%

No Rise

No Set

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Good

Sun - Rise: 05:07, Set: 21:59, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:25 - 03:39. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
95
94
94
94
88
83
77
83
92
98
98
88
79
86
80
53
82
91
100
89
83
79
11

Low Clouds (% Sky Obscured)

75
68
73
74
78
81
83
77
83
88
49
23
25
26
25
26
28
24
19
14
12
10
8
7

Medium Clouds (% Sky Obscured)

75
92
34
35
34
28
14
45
67
83
93
82
33
13
7
57
0
9
18
25
20
10
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
48
83
77
83
92
76
98
81
71
86
80
49
82
91
95
89
83
79
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
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 (%)

41
21
14
16
21
21
18
16
20
17
6
13
12
4
11
13
1
4
4
0
2
2
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
4
5
7
8
9
9
8
8
7
7
7
7
8
9
10
11
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
98
98
98
93
89
86
85
89
91
91
91
91
91
91
87
86
81
80
80
80

Pressure (mb)

1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025

Ozone (du)

411
411
410
408
399
397
395
393
391
391
392
398
399
397
398
398
398
398
399
399
399
400
399
398

Tuesday 21

Waxing Crescent 23%

No Rise

No Set

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

Sun - Rise: 05:02, Set: 22:03, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:32 - 03:31. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
12
22
40
20
13
27
97
96
98
98
97
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
9
10
9
11
9
14
13
14
15
15
15
53
59
74
87
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
1
1
1
0
0
0
0
0
0
9
19
26
34
27
30
20
15
10
10
15
15
14

High Clouds (% Sky Obscured)

0
0
8
29
2
2
14
85
85
85
90
93
97
100
100
100
100
99
97
96
75
54
32
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
3
1
1
1
1

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
1
5
14
17
18
18
21
22
23
27
30
33
36

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)

13
13
15
16
17
18
19
20
20
21
23
24
24
23
22
23
24
24
24
23
23
22
23
23

Chance of Frost

Temperature (°C)

1
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
78
78
81
80
79
78
81
80
77
76
77
80
85
85
88
89
89
91
91
91
93
94

Pressure (mb)

1025
1025
1024
1023
1022
1022
1021
1020
1020
1019
1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

398
396
397
395
397
396
396
397
390
388
388
386
384
381
378
375
373
371
370
369
368
367
367
367

Wednesday 22

Waxing Crescent 34%

No Rise

No Set

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK

Sun - Rise: 04:57, Set: 22:07, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:39 - 03:23. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
92
86
80
86
92
99
86
72
59
49
40
30
25
20
16
13

Low Clouds (% Sky Obscured)

100
99
95
93
91
96
97
98
92
85
79
86
91
94
83
72
59
45
28
13
12
11
10
8

Medium Clouds (% Sky Obscured)

12
11
7
4
0
0
0
0
0
0
0
0
0
0
5
11
18
12
6
1
10
20
16
13

High Clouds (% Sky Obscured)

12
3
2
1
0
0
0
0
0
0
0
0
0
0
1
2
2
8
14
20
14
8
7
2

ISS Passover

Visibility (miles)

1
1
1
0
0
0
0
1
1
2
3
4
6
8
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
Very Light Rain
None
None
Snow
Snow
None
Snow
Snow
None
None

Precipitation Probability (%)

34
30
29
25
16
19
19
17
20
24
28
41
45
43
55
54
57
61
58
48
47
40
23
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

23
23
23
25
27
28
27
27
26
24
24
22
22
21
20
19
18
17
16
15
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
89
89
89
89
88
88
86
86
84
84
83
81
83
81
80
78
75
71
69

Pressure (mb)

1015
1014
1014
1014
1014
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

369
372
374
373
372
372
370
368
366
367
369
370
369
368
367
366
366
365
365
365
365
365
364
364

Thursday 23

Waxing Crescent 46%

No Rise

No Set

13 OK
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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK

Sun - Rise: 04:53, Set: 22:12, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 23:47 - 03:14. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

11
8
10
12
15
38
60
83
80
77
74
65
55
46
40
33
27
22
16
11

Low Clouds (% Sky Obscured)

7
8
10
12
15
24
27
30
26
19
16
17
14
19
16
21
16
16
16
11

Medium Clouds (% Sky Obscured)

11
8
10
12
15
17
14
11
5
3
2
2
0
0
3
3
2
2
1
0

High Clouds (% Sky Obscured)

6
0
4
7
11
34
57
81
75
70
65
56
46
35
31
25
18
13
8
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

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
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

34
22
47
50
52
68
69
68
75
69
66
86
68
63
61
56
46
45
43
31

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.3
0.2
0.4
0.3
0.2
0.6
0.3
0.2
0.3
0.2
0.1
0.2
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
65
62
62
62
63
67
72
77
78
79
81
81
83
82
84
84
84
81
78

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

365
365
366
368
370
372
374
376
378
379
380
381
382
384
385
385
384
384
383
383

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

Generated: 17/04/26 12:58:01. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+3.00