Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 91%

20:42

09:23

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

Sun - Rise: 07:40, Set: 18:09, Transit: 12:56. Moon - Rise: 20:42, Set: 09:23. Civil Dark: 18:43 - 07:07. Nautical Dark: 19:21 - 06:29. Astro Dark: 19:59 - 05:51

Total Clouds (% Sky Obscured)

98
41
29
10
14
45
45
46
48
66
70
25
23
13
26
26
39
44
42
79
87
98
100
100

Low Clouds (% Sky Obscured)

0
0
1
0
4
6
32
10
23
13
10
12
13
11
15
20
27
27
24
77
87
98
100
100

Medium Clouds (% Sky Obscured)

98
39
29
10
14
45
34
43
43
64
69
20
16
6
3
5
0
0
0
0
6
16
15
13

High Clouds (% Sky Obscured)

3
7
0
0
0
0
0
0
0
0
0
0
0
0
16
7
16
24
24
9
1
0
0
0

ISS Passover

Visibility (miles)

5
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
80
73
70
68
68
70
74
79
82
84
85
87
89
91
92
93
95
99
100
100
100
100

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1029
1029
1030
1030
1031
1031
1032
1032
1032
1033
1033
1033
1033
1034
1034
1035

Ozone (du)

334
333
331
329
325
321
318
315
312
310
307
304
302
300
297
295
293
290
288
286
284
283
281
280

Friday 22

Waning Gibbous 83%

22:03

09:47

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 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 07:38, Set: 18:11, Transit: 12:56. Moon - Rise: 22:03, Set: 09:47. Civil Dark: 18:44 - 07:05. Nautical Dark: 19:22 - 06:27. Astro Dark: 20:01 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
96
97
83
82
26
2
1
2
1
1
1
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
93
91
80
78
26
2
1
2
1
1
1
0
0
0

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)

0
0
0
0
0
0
0
2
81
61
45
48
20
20
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

0
1
2
3
4
5
6
6
6
6
7
8
9
9
8
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
14
14
12
11
10
10
9
8
8
7
7
6
5
4
4
3
4
5

Feels Like (°C)

6
8
10
12
13
14
14
14
12
11
10
8
7
6
5
5
4
4
3
2
1
0
1
2

Dew Point (°C)

6
7
8
8
9
9
10
10
9
9
8
8
7
7
6
6
5
5
4
4
4
3
3
3

Relative Humidity (%)

98
93
87
80
76
73
74
77
83
88
89
88
89
90
91
92
92
92
93
98
100
100
97
91

Pressure (mb)

1035
1035
1036
1036
1036
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

279
278
278
277
277
276
276
277
279
280
281
282
283
284
286
288
288
289
289
289
289
289
289
288

Saturday 23

Waning Gibbous 74%

23:21

No Set

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

Sun - Rise: 07:36, Set: 18:13, Transit: 12:55. Moon - Rise: 23:21, Set: No Set. Civil Dark: 18:46 - 07:03. Nautical Dark: 19:24 - 06:25. Astro Dark: 20:02 - 05:47

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

High 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

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Chance of Frost

Temperature (°C)

6
8
9
11
13
13
14
13
11
10
9
8
7
6
5
4
3
2
1
1
-0
0
1
3

Feels Like (°C)

3
5
8
11
13
13
14
13
11
8
7
5
4
3
3
2
1
0
-1
-2
-2
-2
-1
1

Dew Point (°C)

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

Relative Humidity (%)

84
76
68
60
55
52
51
51
53
55
56
56
57
58
59
60
61
62
64
66
67
64
61
56

Pressure (mb)

1036
1036
1036
1035
1035
1034
1034
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

288
287
286
285
285
284
283
283
283
283
283
283
283
283
283
283
283
283
283
283
283
284
285
287

Sunday 24

Waning Gibbous 63%

00:36

10:12

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

Sun - Rise: 07:34, Set: 18:14, Transit: 12:55. Moon - Rise: 00:36, Set: 10:12. Civil Dark: 18:48 - 07:01. Nautical Dark: 19:26 - 06:23. Astro Dark: 20:04 - 05:45

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
36
36
36
36
36
36
0
0
0
0
0
0
0
0
0

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)

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)

0
0
0
0
0
0
0
0
0
36
36
36
36
36
36
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

5
5
5
5
5
5
5
5
5
5
5
4
4
4
4
5
4
4
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
5
7
10
11
12
12
12
10
8
7
6
5
4
3
3
2
2
1
1
-1
-1
0
2

Dew Point (°C)

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

Relative Humidity (%)

52
48
45
44
44
45
46
48
52
56
60
64
66
67
66
65
66
67
70
72
75
73
70
65

Pressure (mb)

1036
1036
1036
1036
1036
1035
1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1037
1037
1037

Ozone (du)

288
289
290
290
290
290
290
291
293
295
296
297
297
296
294
293
292
293
295
301
309
316
318
319

Monday 25

Waning Gibbous 53%

01:48

10:39

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

Sun - Rise: 07:32, Set: 18:16, Transit: 12:55. Moon - Rise: 01:48, Set: 10:39. Civil Dark: 18:49 - 06:59. Nautical Dark: 19:27 - 06:21. Astro Dark: 20:06 - 05:43

Total 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

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)

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
14
13
11
9
8
7
6
6
5
5
4
4
3
2
2
2
3
5

Feels Like (°C)

4
6
9
12
13
14
14
13
11
8
6
5
4
4
3
3
2
2
1
0
-1
-0
1
3

Dew Point (°C)

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

Relative Humidity (%)

61
57
53
50
48
48
50
53
59
64
69
72
75
77
78
78
80
82
85
87
88
85
81
75

Pressure (mb)

1037
1037
1036
1036
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1034
1033
1033
1033
1033
1032
1032
1032

Ozone (du)

319
317
313
310
311
312
313
313
313
312
312
312
312
312
313
313
313
312
311
309
308
307
307
307

Tuesday 26

Third Quarter 42%

02:55

11:09

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

Sun - Rise: 07:30, Set: 18:18, Transit: 12:55. Moon - Rise: 02:55, Set: 11:09. Civil Dark: 18:51 - 06:57. Nautical Dark: 19:29 - 06:19. Astro Dark: 20:07 - 05:41

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34
34
34

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)

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34
34
34

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

7
9
11
14
15
16
16
15
13
12
10
9
9
8
7
6
5
5
4
3
2
2
4
6

Feels Like (°C)

5
8
11
14
15
16
16
15
13
12
10
8
7
6
5
4
4
3
2
1
0
0
2
4

Dew Point (°C)

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

Relative Humidity (%)

70
64
58
53
50
49
50
53
58
64
68
70
72
73
73
74
75
76
80
83
85
85
81
75

Pressure (mb)

1032
1032
1032
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1027
1027

Ozone (du)

307
306
305
304
303
303
303
303
304
304
304
305
304
303
301
299
297
295
294
293
293
293
293
293

Wednesday 27

Waning Crescent 32%

03:56

11:44

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

Sun - Rise: 07:28, Set: 18:20, Transit: 12:55. Moon - Rise: 03:56, Set: 11:44. Civil Dark: 18:53 - 06:55. Nautical Dark: 19:31 - 06:17. Astro Dark: 20:09 - 05:39

Total Clouds (% Sky Obscured)

34
34
34
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
82
82
82

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
25
25
25

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)

34
34
34
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
76
76
76

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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
0.01
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
10
12
14
16
16
16
15
14
12
11
11
10
10
9
9
8
8
8
7
7
7
7
8

Feels Like (°C)

6
8
12
14
16
16
16
15
14
12
11
11
10
7
7
6
6
5
5
5
4
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

70
65
60
55
52
51
52
56
62
68
73
76
78
80
82
83
85
87
89
92
95
97
95
91

Pressure (mb)

1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027

Ozone (du)

294
294
294
295
295
295
294
294
294
294
295
295
295
296
295
295
295
296
296
298
299
302
305
308

Forecast for De Brouckere, 1000 Brussels, Belgium (50.85,4.35)

Generated: 21/02/19 10:33:00. Forecast: 21/02/19 to 27/02/19. Timezone: UTC+1.00