Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 43%

23:23

17:40

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

Sun - Rise: 07:36, Set: 18:45, Transit: 13:11. Moon - Rise: 23:23, Set: 17:40. Civil Dark: 19:27 - 06:54. Nautical Dark: 20:15 - 06:06. Astro Dark: 21:06 - 05:15

Total Clouds (% Sky Obscured)

80
72
97
53
79
80
100
100
100
100
99
87
78
77
35
51
52
85
92
57
98
100
100
91

Low Clouds (% Sky Obscured)

41
36
31
27
26
26
23
42
33
84
78
62
73
54
35
46
47
34
23
28
30
33
41
40

Medium Clouds (% Sky Obscured)

5
14
7
3
7
30
86
79
100
100
98
79
50
52
0
17
0
0
4
28
60
77
62
68

High Clouds (% Sky Obscured)

2
55
97
31
63
66
100
100
100
35
52
30
1
0
0
0
26
69
87
35
96
100
100
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
3
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

7
73
24
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
9
58
95
95
95
45
16
1
2
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
2.1
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
9
8
9
9
11
11
12
13
12
12
11
11
12
12
11
11
7
6
6
5
4
3

Dew Point (°C)

10
9
9
8
9
9
10
10
11
11
12
11
12
11
10
9
10
10
9
8
7
6
5
4

Relative Humidity (%)

95
93
96
95
96
95
92
86
82
82
84
82
92
86
80
83
93
96
93
91
93
93
91
91

Pressure (mb)

1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

303
304
306
309
311
312
311
311
308
308
310
309
312
318
320
315
310
307
306
304
303
303
301
301

Monday 5

Waning Crescent 31%

01:12

17:46

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:38, Set: 18:42, Transit: 13:10. Moon - Rise: 01:12, Set: 17:46. Civil Dark: 19:24 - 06:57. Nautical Dark: 20:12 - 06:08. Astro Dark: 21:03 - 05:18

Total Clouds (% Sky Obscured)

88
83
99
100
100
100
100
96
95
100
100
94
97
84
89
79
72
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
62
55
33
58
69
69
83
88
100
100
94
96
83
79
70
68
89
78
80
94
91
91
94

Medium Clouds (% Sky Obscured)

43
70
82
98
100
100
100
87
77
76
4
2
0
0
0
19
2
22
5
55
94
72
99
100

High Clouds (% Sky Obscured)

55
57
96
100
100
100
100
5
3
5
20
42
24
0
45
8
8
75
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
8
72
83
61
21
22
7
8
5
5
9
6
10
9
10
9
10
14
22
13

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
6
5
6
5
5
6
6
6
6
6
6
6
6
7
9
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
5
7
8
9
9
10
10
11
11
12
12
12
12
12
12
12
12
11
12
12
12

Dew Point (°C)

4
4
4
6
7
8
9
10
11
11
11
11
11
12
12
12
12
12
12
13
13
13
13
13

Relative Humidity (%)

91
93
90
94
93
91
91
96
96
96
93
92
90
89
90
92
96
96
96
95
95
93
90
89

Pressure (mb)

1013
1012
1012
1011
1010
1009
1009
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1003
1002
1002
1001
1000
999

Ozone (du)

299
297
296
298
299
298
298
298
296
294
293
293
291
290
285
279
276
276
271
268
266
262
258
256

Tuesday 6

Waning Crescent 21%

02:54

17:48

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

Sun - Rise: 07:41, Set: 18:39, Transit: 13:10. Moon - Rise: 02:54, Set: 17:48. Civil Dark: 19:21 - 06:59. Nautical Dark: 20:09 - 06:11. Astro Dark: 21:00 - 05:20

Total Clouds (% Sky Obscured)

100
90
91
92
93
67
30
34
18
50
70
3
1
1
1
19
1
0
1
2
2
2
2
12

Low Clouds (% Sky Obscured)

81
82
77
84
69
54
11
21
17
5
3
3
1
1
1
17
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

91
39
24
13
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
12

High Clouds (% Sky Obscured)

100
60
20
3
2
45
30
17
2
37
55
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 (%)

13
15
14
24
24
4
2
1
0
0
1
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)

13
13
14
13
14
14
14
12
12
12
12
13
13
13
12
11
10
9
9
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
10
11
10
11
10
11
12
12
11
11
10
10
8
7
7
7
7
7
8
7

Dew Point (°C)

13
13
12
12
11
11
10
10
8
5
6
6
4
5
4
4
3
3
2
3
3
5
4
5

Relative Humidity (%)

89
89
86
84
80
82
79
78
67
55
54
55
50
54
55
56
59
61
62
65
69
75
74
77

Pressure (mb)

998
997
997
996
997
997
998
999
1000
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1006
1006
1007
1007
1007

Ozone (du)

255
255
257
258
257
256
256
258
259
259
257
259
260
260
260
261
262
262
263
264
266
268
272
275

Wednesday 7

Waning Crescent 13%

02:54

17:48

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

Sun - Rise: 07:43, Set: 18:36, Transit: 13:10. Moon - Rise: 02:54, Set: 17:48. Civil Dark: 19:18 - 07:01. Nautical Dark: 20:06 - 06:13. Astro Dark: 20:56 - 05:23

Total Clouds (% Sky Obscured)

4
2
17
4
1
0
7
13
20
24
27
28
39
46
51
56
60
63
72
74
84
91
88
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
7
13
20
22
26
28
20
10
0
1
2
4
27
51
75
65
55
43

Medium Clouds (% Sky Obscured)

4
2
17
4
1
0
0
0
0
2
3
5
20
33
48
46
49
43
43
39
40
40
42
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
3
2
0
0
0
0
1
2
1
2
2
8
38
61
100

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
1
0
3
3
1
5
7
3
30
36
38

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

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
8
9
11
12
13
13
14
13
12
11
10
9
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
85
85
85
85
78
70
64
57
51
47
46
48
55
66
76
82
85
88
90
90
90
93

Pressure (mb)

1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

277
278
279
280
282
284
285
287
288
289
291
292
295
296
297
297
296
294
292
292
293
295
298
300

Thursday 8

Waning Crescent 6%

04:32

17:48

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:45, Set: 18:33, Transit: 13:09. Moon - Rise: 04:32, Set: 17:48. Civil Dark: 19:15 - 07:04. Nautical Dark: 20:03 - 06:15. Astro Dark: 20:53 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
74
90
85
81
81
83
75
92
93
93
94
94
93
92
95
97
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

52
53
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
97
95
94
96
97
99

High Clouds (% Sky Obscured)

77
55
36
55
77
100
100
100
100
100
100
100
100
100
100
100
100
100
90
90
90
81
70
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
3
3
3
3
3
3
3
3
3
4
4
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

Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

59
73
83
68
56
31
39
45
40
53
84
95
95
95
95
95
95
95
95
95
95
95
95
73

Precipitation Amount (mm)

0.2
0.4
0.5
0.3
0
0
0
0
0
0
0.5
1.3
1
1
0.9
1
1.1
1.3
1.3
1.6
1.7
1.1
0.6
0

Wind Speed/Direction (mph)

3
2
2
3
4
4
4
3
4
5
6
6
6
6
7
8
8
9
10
11
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
8
7
8
8
9
10
10
10
10
10
10
11
10
10
10
10
7
5
3
4
3

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
91
90
91
90
88
84
79
79
84
87
90
92
93
95
93
95
95
95
93
93
91

Pressure (mb)

1011
1010
1010
1009
1008
1008
1007
1007
1006
1005
1005
1004
1004
1003
1003
1002
1002
1001
1001
1000
1000
1000
1000
1000

Ozone (du)

301
303
304
305
307
311
316
318
318
318
316
315
315
318
321
324
324
324
324
324
324
324
324
324

Friday 9

Waning Crescent 2%

06:05

17:48

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:48, Set: 18:30, Transit: 13:09. Moon - Rise: 06:05, Set: 17:48. Civil Dark: 19:12 - 07:06. Nautical Dark: 20:00 - 06:18. Astro Dark: 20:50 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
97
95
94
94
92
80
68
56
56
55
54
59
57
62

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
98
96
94
89
83
78
76
77
74
70
59
47
48
49
47
52
54
56

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
99
99
97
93
88
84
78
73
66
48
28
9
6
3
1
1
0
0

High Clouds (% Sky Obscured)

70
82
100
77
57
42
46
54
58
48
38
22
8
1
0
0
0
0
0
0
0
1
2
3

ISS Passover

Visibility (miles)

5
5
6
6
7
8
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
95
95
92
82
72
74
64
47
50
52
44
39
38
32
30
24
11
16
12
5
11
10
6

Precipitation Amount (mm)

0.5
0.6
0.6
0.6
0.4
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
14
14
14
14
13
13
14
13
13
12
12
11
11
11
11
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
5
5
5
5
5
5
6
5
5
5
4
3
2
2
2
2
1
1

Relative Humidity (%)

91
91
90
90
88
88
90
90
90
90
90
90
90
90
90
90
90
88
86
88
86
88
86
88

Pressure (mb)

1000
1000
1000
1000
1000
1000
1001
1001
1001
1002
1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

324
324
324
324
325
326
327
329
332
334
334
334
335
334
334
333
332
331
330
329
327
325
323
321

Saturday 10

New Moon 0%

07:38

17:48

Sun - Rise: 07:50, Set: 18:27, Transit: 13:09. Moon - Rise: 07:38, Set: 17:48. Civil Dark: 19:09 - 07:09. Nautical Dark: 19:58 - 06:20. Astro Dark: 20:47 - 05:31

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 Vols, Helsinki, Finland (60.17,24.39)

Generated: 04/10/26 03:04:00. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+3.00