Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waning Gibbous 84%

20:58

10:50

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 OK
07 Bad
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:32, Set: 17:07, Transit: 12:51. Moon - Rise: 20:58, Set: 10:50. Civil Dark: 17:45 - 07:54. Nautical Dark: 18:27 - 07:13. Astro Dark: 19:07 - 06:33

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
96
83
63
16
40
36
19
33
53
88
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
99
78
96
100
100
100
100
96
83
63
16
40
36
19
33
53
88
100
100
100
100

Medium Clouds (% Sky Obscured)

96
99
100
88
98
100
100
100
88
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
11
0
0
0
1
3
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
8

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

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

Precipitation Probability (%)

6
4
3
0
0
0
0
5
8
9
9
8
10
9
6
5
0
0
0
4
4
5
5
6

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0.01
0.02
0.02
0.01
0.01
0.02
0.01
0.01
0.01
0
0
0
0.01
0.01
0.02
0.02
0.03

Wind Speed/Direction (mph)

10
10
10
10
10
9
10
10
10
10
10
10
9
9
9
8
8
8
8
8
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
2
3
3
3
3
3
3
4
4
3
3
2
3
4
4
5
5
5
5

Dew Point (°C)

2
2
3
3
4
4
4
5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
3
3

Relative Humidity (%)

79
82
85
88
90
92
92
91
91
91
90
90
90
91
91
94
95
92
86
80
77
75
73
73

Pressure (mb)

1033
1033
1033
1033
1033
1034
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1034

Ozone (du)

302
299
303
305
310
313
316
318
325
328
326
323
321
321
321
319
319
319
323
324
321
320
322
325

Saturday 22

Waning Gibbous 75%

22:15

11:03

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:31, Set: 17:09, Transit: 12:51. Moon - Rise: 22:15, Set: 11:03. Civil Dark: 17:47 - 07:53. Nautical Dark: 18:29 - 07:12. Astro Dark: 19:09 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
95
94
96
89
82
81

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
95
94
96
89
82
81

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

27
41
66
13
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
3
21
21
20
0
1
0
0
0
0
0

Precipitation Type

Very Light Rain
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 (%)

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

Precipitation Amount (mm)

0.03
0.03
0.04
0.03
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0
0
0.01
0
0
0
0

Wind Speed/Direction (mph)

9
7
6
6
6
6
5
5
4
4
5
5
4
3
3
3
3
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
4
4
4
4
4
4
4
4
3
3
3
3
3
2
2
2
2
2
2

Relative Humidity (%)

75
78
80
81
82
84
85
87
90
91
92
92
91
90
92
93
91
88
83
78
72
69
67
68

Pressure (mb)

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

Ozone (du)

327
331
330
327
328
326
325
323
321
323
322
322
321
316
314
313
315
314
313
313
311
311
311
311

Sunday 23

Waning Gibbous 65%

23:32

11:17

17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:30, Set: 17:11, Transit: 12:51. Moon - Rise: 23:32, Set: 11:17. Civil Dark: 17:49 - 07:52. Nautical Dark: 18:30 - 07:11. Astro Dark: 19:10 - 06:31

Total Clouds (% Sky Obscured)

64
56
38
13
23
31
52
84
70
70
66
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
56
38
13
23
31
52
84
70
70
66
99
100
100
100
100
100
100
100
100
100
100
100
100

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
2
1
0
0
22
66
95
100
100
100
100
100
100
100
100
100
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
3
2
2
1
0
-0
3
3
3
3
3
3
1
1
1
2
2
3
3
6
7
6

Dew Point (°C)

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

Relative Humidity (%)

71
76
83
91
97
100
100
100
100
100
98
95
92
93
99
100
100
98
89
81
76
66
64
65

Pressure (mb)

1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034
1034

Ozone (du)

313
314
316
317
317
317
317
318
316
316
317
319
321
321
322
323
323
321
321
322
325
325
327
330

Monday 24

Waning Gibbous 54%

00:52

11:32

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:29, Set: 17:13, Transit: 12:51. Moon - Rise: 00:52, Set: 11:32. Civil Dark: 17:50 - 07:51. Nautical Dark: 18:32 - 07:10. Astro Dark: 19:12 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100

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 (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
4
5
7
7
0
0
0
0
0
6
7
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0.01
0.03
0.03

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
75
82
87
89
89
90
91
91
92
90
89
89
89
91
90
87
84
80
75
64
62
63
64

Pressure (mb)

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

Ozone (du)

334
333
336
338
340
342
344
347
342
337
334
330
327
324
324
328
327
320
315
311
307
307
308
309

Tuesday 25

Third Quarter 43%

02:15

11:50

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:27, Set: 17:14, Transit: 12:52. Moon - Rise: 02:15, Set: 11:50. Civil Dark: 17:52 - 07:50. Nautical Dark: 18:33 - 07:08. Astro Dark: 19:13 - 06:29

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)

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

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 (%)

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

Precipitation Type

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

Precipitation Probability (%)

7
5
7
0
6
6
6
6
6
5
5
3
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.01
0.01
0
0.01
0.01
0.01
0.01
0.03
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
74
77
78
81
83
83
85
86
86
85
85
85
80
79
78
76
71
64
60
58
58
59

Pressure (mb)

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

Ozone (du)

311
312
308
309
308
307
308
311
310
311
312
314
314
314
312
314
318
321
324
327
329
330
330
330

Wednesday 26

Waning Crescent 31%

03:41

12:14

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:26, Set: 17:16, Transit: 12:52. Moon - Rise: 03:41, Set: 12:14. Civil Dark: 17:54 - 07:49. Nautical Dark: 18:35 - 07:07. Astro Dark: 19:15 - 06:28

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)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
100
100
100
100

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 (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
9
11
11
10
8
8
7
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0.01
0.01
0.02
0.03
0.03
0.03
0.02
0.01

Wind Speed/Direction (mph)

7
7
7
7
7
6
6
6
7
7
7
7
7
7
7
7
7
8
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
4
5
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
65
69
72
73
75
76
76
77
78
78
78
78
77
76
75
74
72
71
69
65
61
58
57

Pressure (mb)

1033
1033
1033
1033
1032
1032
1032
1032
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029

Ozone (du)

329
327
326
325
325
324
321
319
316
313
310
308
308
309
310
313
316
319
320
322
323
325
328
329

Thursday 27

Waning Crescent 21%

05:09

12:47

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

Sun - Rise: 08:24, Set: 17:18, Transit: 12:52. Moon - Rise: 05:09, Set: 12:47. Civil Dark: 17:55 - 07:47. Nautical Dark: 18:36 - 07:06. Astro Dark: 19:16 - 06:26

Total Clouds (% Sky Obscured)

100
100
53
53
53
53
53
53
7
7
7
7
7
7
27
27
27
27
27
27
91
91
91
91

Low Clouds (% Sky Obscured)

100
100
39
39
39
39
39
39
7
7
7
7
7
7
26
26
26
26
26
26
33
33
33
33

Medium Clouds (% Sky Obscured)

100
100
27
27
27
27
27
27
0
0
0
0
0
0
10
10
10
10
10
10
23
23
23
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
86
86
86
86

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 (%)

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

Precipitation Type

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

Precipitation Probability (%)

4
4
3
3
0
0
0
4
9
11
11
10
8
6
5
4
4
5
5
6
7
7
6
5

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0
0
0
0.02
0.03
0.04
0.05
0.05
0.03
0.02
0.02
0.02
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.01

Wind Speed/Direction (mph)

9
8
8
8
7
7
7
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-3
-3
-2
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-2
-2
-2
-2

Relative Humidity (%)

58
63
67
69
69
69
70
71
72
72
72
72
72
71
70
68
67
66
64
61
57
55
53
55

Pressure (mb)

1030
1030
1030
1031
1032
1032
1032
1033
1033
1033
1034
1034
1034
1035
1035
1036
1037
1037
1038
1038
1038
1039
1039
1039

Ozone (du)

328
326
324
324
325
326
326
326
325
322
318
315
313
311
310
309
307
307
307
307
307
306
305
304

Forecast for Utrecht, Utrecht, NL (52.09,5.12)

Generated: 21/01/22 17:04:46. Forecast: 21/01/22 to 27/01/22. Timezone: UTC+1.00