Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 3%

06:21

21:18

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

Sun - Rise: 06:22, Set: 18:37, Transit: 12:29. Moon - Rise: 06:21, Set: 21:18. Civil Dark: 19:18 - 05:40. Nautical Dark: 20:08 - 04:50. Astro Dark: 21:03 - 03:52

Total Clouds (% Sky Obscured)

0
1
1
3
44
18
19
22
42
29
8
11
74
100
17
3
3
2
2
3
4
5
5
4

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
18
19
22
42
17
0
0
0
0
0
0
0
0
0
0
2
3
2
2

High Clouds (% Sky Obscured)

0
1
1
2
44
4
6
6
5
3
2
10
69
100
17
2
2
2
2
2
2
1
1
1

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
7
7
7
8
6
6
5
5
5
5
6
5
5
5
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
91
86
77
72
67
63
60
60
60
62
68
73
76
79
84
88
88
88
84
84
86

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

418
418
418
412
406
403
406
405
400
398
395
387
382
378
378
379
380
378
378
377
377
377
376
375

Saturday 21

Waxing Crescent 8%

06:21

23:06

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

Sun - Rise: 06:19, Set: 18:39, Transit: 12:29. Moon - Rise: 06:21, Set: 23:06. Civil Dark: 19:21 - 05:37. Nautical Dark: 20:11 - 04:47. Astro Dark: 21:06 - 03:48

Total Clouds (% Sky Obscured)

3
3
3
4
4
5
4
21
13
7
9
14
28
71
70
74
100
72
72
88
100
100
91
63

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)

1
2
2
2
2
2
1
0
0
0
0
0
0
0
15
41
64
66
62
62
52
70
62
52

High Clouds (% Sky Obscured)

0
0
1
3
3
3
4
19
10
5
8
13
26
71
57
44
87
41
57
76
100
100
84
36

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
8
9
10
11
12
12
12
13
13
13
13
13
14
13
13
15
15
15
15
16
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
86
86
83
80
79
76
76
74
73
72
72
72
72
72
74
74
76
77
77
78
80
81

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

376
376
376
374
374
375
375
375
375
376
375
373
374
372
370
372
373
370
367
366
367
374
386
399

Sunday 22

Waxing Crescent 16%

06:22

01:00

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

Sun - Rise: 06:16, Set: 18:42, Transit: 12:29. Moon - Rise: 06:22, Set: 01:00. Civil Dark: 19:23 - 05:34. Nautical Dark: 20:14 - 04:43. Astro Dark: 21:10 - 03:44

Total Clouds (% Sky Obscured)

70
87
64
42
44
20
63
19
33
30
26
24
13
4
5
10
5
5
7
10
5
46
31
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
51
37
19
0
0
0
0
0
1
2
2
4
4
5
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
65
27
19
40
15
60
19
33
25
26
24
13
4
5
10
5
5
7
10
5
46
27
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
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)

14
14
14
15
15
14
15
16
16
16
15
15
15
15
15
14
14
14
14
15
16
16
16
16

Chance of Frost

Temperature (°C)

1
1
1
1
1
2
2
2
3
3
3
2
2
2
2
2
2
2
2
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
86
88
88
88
86
86
85
85
83
85
83
82
80
77
74
76
80
80
80
80
81
81

Pressure (mb)

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

Ozone (du)

400
395
392
384
378
377
376
374
370
367
366
365
365
365
364
363
364
366
367
369
372
374
373
374

Monday 23

Waxing Crescent 26%

06:27

02:54

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

Sun - Rise: 06:13, Set: 18:44, Transit: 12:28. Moon - Rise: 06:27, Set: 02:54. Civil Dark: 19:26 - 05:31. Nautical Dark: 20:17 - 04:40. Astro Dark: 21:13 - 03:40

Total Clouds (% Sky Obscured)

0
0
0
0
3
5
8
26
44
59
66
69
71
56
33
20
27
42
52
58
66
68
73
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
33
46
37
27
20
39
51

Medium Clouds (% Sky Obscured)

0
0
0
0
2
5
8
25
40
59
62
62
66
42
33
20
27
27
10
16
51
34
35
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
5
3
7
4
3
16
15
45
55

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
10
11
10
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)

16
16
16
17
17
17
17
17
17
17
16
15
14
13
12
12
11
11
11
9
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
84
83
81
80
79
77
79
76
77
77
77
82
83
85
84
86
89
91
93
94
94

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

374
379
385
391
393
401
406
407
411
420
428
430
429
431
433
434
438
439
435
430
428
432
434
434

Tuesday 24

Waxing Crescent 37%

06:41

No Set

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

Sun - Rise: 06:10, Set: 18:47, Transit: 12:28. Moon - Rise: 06:41, Set: No Set. Civil Dark: 19:28 - 05:28. Nautical Dark: 20:20 - 04:37. Astro Dark: 21:16 - 03:36

Total Clouds (% Sky Obscured)

88
90
90
91
71
49
33
31
20
10
4
1
0
30
57
76
22
11
0
0
1
2
4
5

Low Clouds (% Sky Obscured)

66
70
74
82
60
36
14
8
2
0
0
0
0
0
0
0
14
7
0
0
1
2
2
2

Medium Clouds (% Sky Obscured)

61
64
48
24
44
43
33
10
4
3
1
1
0
14
34
54
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
15
4
10
2
0
0
0
0
0
0
0
0
30
57
76
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

9
5
1
1
1
0
0
0
0
0
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 (%)

12
13
13
18
10
8
0
0
1
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
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
6
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
94
91
83
79
71
67
64
62
62
70
74
76
78
80
81
81
81
81
83

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

427
420
412
407
412
417
420
425
432
438
435
426
425
428
426
422
422
420
418
416
414
411
408
407

Wednesday 25

First Quarter 49%

07:23

04:24

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

Sun - Rise: 06:07, Set: 18:49, Transit: 12:28. Moon - Rise: 07:23, Set: 04:24. Civil Dark: 19:31 - 05:25. Nautical Dark: 20:22 - 04:33. Astro Dark: 21:20 - 03:32

Total Clouds (% Sky Obscured)

7
13
17
22
14
13
12
18
25
27
34
44
53
46
42
43
59
71
85
84
83
82
68
53

Low Clouds (% Sky Obscured)

3
10
17
22
14
13
12
18
17
3
6
8
11
18
23
33
57
69
85
74
64
55
41
26

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
4
11
18
26
34
44
51
46
42
39
38
28
30
19
17
16
22
28

High Clouds (% Sky Obscured)

3
2
2
1
0
0
0
2
3
5
3
2
0
0
0
0
22
43
65
53
39
24
16
9

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
1
13
16
6
8
9
9
13
14
7
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
88
89
86
81
79
76
74
72
73
72
70
70
73
73
76
79
80
83
86
88
86

Pressure (mb)

1009
1009
1009
1008
1008
1007
1007
1007
1006
1005
1005
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001

Ozone (du)

406
405
405
405
405
405
406
407
409
410
412
413
415
417
418
420
421
423
425
428
428
428
428
432

Thursday 26

Waxing Gibbous 61%

08:50

05:08

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:04, Set: 18:51, Transit: 12:27. Moon - Rise: 08:50, Set: 05:08. Civil Dark: 19:34 - 05:21. Nautical Dark: 20:25 - 04:30. Astro Dark: 21:23 - 03:28

Total Clouds (% Sky Obscured)

41
43
47
51
71
86
100
100
100
100
100
100
99
100
99
100
95
90
86
90
95
100

Low Clouds (% Sky Obscured)

10
9
9
9
17
26
40
59
76
88
79
70
62
65
68
71
74
77
73
68
66
60

Medium Clouds (% Sky Obscured)

34
30
27
14
28
46
64
75
88
100
100
100
99
99
99
99
89
77
66
76
87
99

High Clouds (% Sky Obscured)

2
25
44
51
71
86
100
100
100
100
94
88
82
55
27
0
7
14
21
47
74
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

4
12
19
25
28
32
37
42
50
55
46
36
20
17
17
22
20
19
19
19
17
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
83
83
83
88
89
91
93
96
98
98
94
91
93
91
92
91
91
89
93
94

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007

Ozone (du)

435
439
438
437
435
437
439
441
444
446
449
451
452
454
456
458
459
460
460
460
462
463

Forecast for Pippurn, Helsinki, Finland (60.05,24.39)

Generated: 20/03/26 04:51:50. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+2.00