Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 3%

06:17

21:17

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

Sun - Rise: 06:20, Set: 18:35, Transit: 12:27. Moon - Rise: 06:17, Set: 21:17. Civil Dark: 19:17 - 05:38. Nautical Dark: 20:08 - 04:47. Astro Dark: 21:03 - 03:51

Total Clouds (% Sky Obscured)

1
2
5
5
7
22
12
18
30
75
30
28
61
100
12
9
14
14
38
10
9
7
2
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
4
0
0
0
15
8
9
5
0
0
7
0
0
2
0
3
5
2
0
0

High Clouds (% Sky Obscured)

1
1
0
3
3
18
8
13
10
59
15
19
58
100
5
4
5
3
21
3
3
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
91
89
83
72
63
57
52
48
45
45
50
58
67
75
79
85
86
88
89
91
86

Pressure (mb)

1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

422
426
428
423
418
419
416
414
409
403
399
394
388
384
381
379
379
381
379
377
375
374
374
373

Saturday 21

Waxing Crescent 8%

06:17

23:07

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

Sun - Rise: 06:17, Set: 18:37, Transit: 12:27. Moon - Rise: 06:17, Set: 23:07. Civil Dark: 19:20 - 05:34. Nautical Dark: 20:11 - 04:43. Astro Dark: 21:07 - 03:47

Total Clouds (% Sky Obscured)

2
6
2
3
8
12
12
10
16
5
9
16
85
36
70
56
81
96
96
100
100
83
38
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
10
1
0
0
24
24
33
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
20
32
58
56
77
91
95
89
62
0
0
0

High Clouds (% Sky Obscured)

2
6
1
1
7
10
10
6
15
3
9
16
68
6
29
23
67
91
88
100
100
73
17
17

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
10
11
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
6
6
6
6
7
8
10
11
12
13
13
13
13
12
11
10
10
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
80
81
81
78
72
66
61
56
52
52
53
55
57
60
63
67
70
73
74
73
76
76
77

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

373
373
373
371
367
366
366
367
369
369
369
370
370
371
371
371
372
372
371
371
378
387
395
396

Sunday 22

Waxing Crescent 16%

06:17

01:03

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 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
01 Bad
02 Bad

Sun - Rise: 06:14, Set: 18:40, Transit: 12:27. Moon - Rise: 06:17, Set: 01:03. Civil Dark: 19:22 - 05:31. Nautical Dark: 20:13 - 04:40. Astro Dark: 21:10 - 03:43

Total Clouds (% Sky Obscured)

66
69
76
100
85
76
69
75
84
78
75
71
58
42
41
31
22
15
7
0
21
42
63
66

Low Clouds (% Sky Obscured)

55
54
71
74
74
69
63
62
68
63
61
40
8
0
0
0
0
0
0
0
21
42
63
66

Medium Clouds (% Sky Obscured)

8
0
0
0
0
0
2
1
2
3
2
1
1
2
2
17
22
15
7
0
1
2
2
0

High Clouds (% Sky Obscured)

35
20
38
100
47
47
47
58
67
52
45
54
58
42
41
31
22
15
7
0
21
35
18
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
1
1
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)

8
7
7
6
6
7
8
8
9
10
11
12
12
11
11
11
10
10
10
9
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
88
88
89
88
83
80
78
74
71
71
71
70
74
76
77
76
72
68
72
74
77
77

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1018
1018
1018
1017
1017
1017
1017
1016

Ozone (du)

398
394
384
378
378
377
373
368
364
361
361
361
360
360
359
358
356
357
357
359
360
362
364
366

Monday 23

Waxing Crescent 26%

06:20

03:00

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

Sun - Rise: 06:10, Set: 18:42, Transit: 12:26. Moon - Rise: 06:20, Set: 03:00. Civil Dark: 19:25 - 05:28. Nautical Dark: 20:16 - 04:36. Astro Dark: 21:14 - 03:39

Total Clouds (% Sky Obscured)

69
72
70
67
65
56
47
36
24
12
0
0
0
1
2
0
0
14
35
57
69
78
70
92

Low Clouds (% Sky Obscured)

69
72
70
67
65
56
47
36
24
12
0
0
0
0
0
0
0
14
32
45
48
51
51
61

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
41
59
53
36
77

High Clouds (% Sky Obscured)

25
45
40
9
2
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
12

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
1
1
1
11

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
10
10
10
10
11
12
13
14
14
15
14
14
13
12
11
10
9
8
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
80
80
80
74
69
65
60
54
58
64
63
64
66
68
67
69
71
74
80
85
91
94

Pressure (mb)

1016
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009

Ozone (du)

368
370
372
372
373
374
373
374
381
391
402
402
403
408
409
411
419
423
422
421
422
423
423
424

Tuesday 24

Waxing Crescent 37%

06:31

03:00

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 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:07, Set: 18:45, Transit: 12:26. Moon - Rise: 06:31, Set: 03:00. Civil Dark: 19:27 - 05:25. Nautical Dark: 20:19 - 04:33. Astro Dark: 21:17 - 03:35

Total Clouds (% Sky Obscured)

96
99
96
93
89
91
90
84
78
69
55
43
36
31
27
15
0
0
0
0
1
4
15
17

Low Clouds (% Sky Obscured)

65
69
72
71
74
77
83
84
78
69
55
43
36
31
27
15
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

80
43
49
81
85
80
35
51
51
49
47
33
20
7
5
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
1
2
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2

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
Frozen rai
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
39
47
40
27
28
28
23
23
23
17
22
15
5
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
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
4
3
3
3
5
6
7
8
8
7
7
6
5
4
4
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
0
0
-0
-2
-4
-4
-4
-4
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

93
91
93
96
98
89
74
59
53
53
49
44
45
45
47
52
55
61
65
69
74
75
75
77

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

423
423
420
418
426
432
432
438
441
444
437
431
432
433
434
430
426
422
420
417
414
413
412
410

Wednesday 25

First Quarter 49%

07:09

04:33

03 Good
04 Good
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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: 06:04, Set: 18:47, Transit: 12:26. Moon - Rise: 07:09, Set: 04:33. Civil Dark: 19:30 - 05:22. Nautical Dark: 20:22 - 04:30. Astro Dark: 21:21 - 03:31

Total Clouds (% Sky Obscured)

12
8
20
33
33
31
33
25
26
42
47
61
75
82
87
92
96
98
99
100
100
98
97
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
13
19
32
46
62
70
80
80
50
32
25
26

Medium Clouds (% Sky Obscured)

0
1
2
4
11
18
30
15
15
15
28
18
28
38
70
78
85
79
74
68
65
59
55
42

High Clouds (% Sky Obscured)

1
0
4
7
10
10
15
15
20
20
30
32
33
25
19
12
10
25
43
65
48
32
16
21

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
2
9
1
3
4
5
9
11
6
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
71
67
62
59
55
51
52
50
48
51
53
55
61
67
73
72
73
73
74
75
78

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

408
406
404
403
401
399
399
400
400
400
400
401
401
402
402
402
402
402
403
404
405
405
405
405

Thursday 26

Waxing Gibbous 61%

08:39

05:15

Sun - Rise: 06:01, Set: 18:50, Transit: 12:25. Moon - Rise: 08:39, Set: 05:15. Civil Dark: 19:32 - 05:19. Nautical Dark: 20:25 - 04:26. Astro Dark: 21:24 - 03:27

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Koutti, Helsinki, Finland (60.47,24.89)

Generated: 20/03/26 03:31:15. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+2.00