Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 21%

04:25

13:21

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

Sun - Rise: 08:35, Set: 17:02, Transit: 12:49. Moon - Rise: 04:25, Set: 13:21. Civil Dark: 17:41 - 07:56. Nautical Dark: 18:23 - 07:14. Astro Dark: 19:03 - 06:34

Total Clouds (% Sky Obscured)

24
16
16
11
9
2
2
5
3
2
5
49
80
91
93
87
73
42
6
19
85
90
25
80

Low Clouds (% Sky Obscured)

19
15
15
11
9
2
2
5
3
2
2
0
0
0
0
0
0
0
0
4
1
2
1
1

Medium Clouds (% Sky Obscured)

18
6
9
2
1
0
0
0
0
0
4
48
4
31
92
87
73
38
5
11
81
90
24
80

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
79
88
6
0
0
8
1
6
21
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
4
1
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
5
4
4
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
76
78
82
86
90
91
92
92
90
90
89
89
90
89
89
90
93
92
88
84
79
75

Pressure (mb)

1041
1042
1042
1043
1044
1044
1045
1046
1046
1046
1046
1047
1047
1047
1046
1047
1047
1047
1047
1048
1048
1048
1047
1047

Ozone (du)

358
355
352
349
347
345
344
343
342
343
343
342
341
340
340
340
340
339
338
336
335
334
334
335

Monday 20

Waning Crescent 13%

05:40

13:56

15 Bad
16 Bad
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 OK
12 OK
13 OK
14 OK

Sun - Rise: 08:34, Set: 17:04, Transit: 12:50. Moon - Rise: 05:40, Set: 13:56. Civil Dark: 17:42 - 07:55. Nautical Dark: 18:24 - 07:14. Astro Dark: 19:04 - 06:33

Total Clouds (% Sky Obscured)

83
53
75
81
82
95
84
81
100
100
100
100
100
100
100
100
95
84
65
52
29
49
41
48

Low Clouds (% Sky Obscured)

1
1
15
22
13
16
70
74
100
100
100
100
100
100
100
100
82
63
45
42
16
3
16
34

Medium Clouds (% Sky Obscured)

83
53
71
77
81
93
59
36
27
26
14
23
56
70
89
95
77
68
44
22
18
48
30
15

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
4
11

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
46
100
100
100
100
100
77
3
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
3
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
6
4
3
3
2
2
1
1
1
0
0
-0
-0
-0
-1
-1
-1
-0
1
2
4
6

Feels Like (°C)

6
7
6
3
2
1
0
-0
-1
-1
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-2
-0
2
4

Dew Point (°C)

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

Relative Humidity (%)

72
73
73
76
80
82
83
83
83
83
83
84
85
86
87
87
88
89
90
90
86
82
76
70

Pressure (mb)

1046
1046
1046
1046
1046
1046
1045
1045
1045
1045
1044
1044
1044
1043
1043
1042
1042
1042
1042
1042
1042
1042
1041
1041

Ozone (du)

336
336
333
329
325
322
320
319
318
319
319
319
319
319
318
317
316
315
315
314
312
310
308
306

Tuesday 21

Waning Crescent 6%

06:47

14:40

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 OK
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

Sun - Rise: 08:32, Set: 17:06, Transit: 12:50. Moon - Rise: 06:47, Set: 14:40. Civil Dark: 17:44 - 07:54. Nautical Dark: 18:26 - 07:13. Astro Dark: 19:06 - 06:32

Total Clouds (% Sky Obscured)

97
98
78
56
31
3
33
91
96
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
98
41
2
0
3
33
91
96
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
26
6
6
12
5
5
5
5
5
5
0
0

High Clouds (% Sky Obscured)

71
28
63
55
31
0
0
0
0
0
0
32
34
15
31
70
5
5
5
5
5
5
55
55

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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.02
0.02
0.01
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
72
75
77
82
82
82
83
85
87
90
92
94
95
95
95
96
97
98
95
93
91
87

Pressure (mb)

1040
1040
1040
1040
1040
1039
1038
1038
1038
1038
1038
1038
1038
1037
1037
1036
1036
1036
1037
1037
1037
1037
1037
1036

Ozone (du)

304
302
300
299
298
298
300
303
309
317
323
323
321
320
322
325
329
334
339
343
345
346
346
344

Wednesday 22

Waning Crescent 2%

07:45

No Set

15 Bad
16 Bad
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

Sun - Rise: 08:31, Set: 17:07, Transit: 12:50. Moon - Rise: 07:45, Set: No Set. Civil Dark: 17:45 - 07:53. Nautical Dark: 18:27 - 07:12. Astro Dark: 19:07 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
47
47
47
47
47
47
100
100
100
100
100
100
97
97

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
47
47
47
47
47
47
100
100
100
100
100
100
97
97

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)

55
55
55
55
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
9
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
2
2
2
2
1
1
2
2
2
2
2
2
2
2
2
1
1
1
2
2
2
3
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
85
86
88
88
88
89
88
89
90
91
93
92
93
92
89
89
86
86
85
83
86
86

Pressure (mb)

1036
1036
1035
1035
1036
1036
1036
1036
1036
1035
1035
1035
1034
1034
1034
1033
1033
1033
1033
1032
1032
1032
1031
1031

Ozone (du)

342
340
339
338
337
336
335
334
332
331
329
326
324
321
320
319
317
317
316
315
314
313
312
311

Thursday 23

Waning Crescent 0%

08:32

15:33

15 Bad
16 Bad
17 Bad
18 Bad
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
10 Good
11 Good
12 Good
13 OK
14 OK

Sun - Rise: 08:30, Set: 17:09, Transit: 12:50. Moon - Rise: 08:32, Set: 15:33. Civil Dark: 17:47 - 07:52. Nautical Dark: 18:29 - 07:11. Astro Dark: 19:09 - 06:31

Total Clouds (% Sky Obscured)

97
97
97
97
7
7
7
7
7
7
0
0
0
0
0
0
0
0
0
0
0
0
34
34

Low Clouds (% Sky Obscured)

97
97
97
97
7
7
7
7
7
7
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
34
34

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
12
12

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 (%)

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

Precipitation Amount (mm)

0.02
0.02
0.01
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
85
85
85
86
87
88
88
88
89
92
94
93
95
88
81
80
79
79
79
79
81
84

Pressure (mb)

1030
1029
1029
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1022

Ozone (du)

309
307
305
302
299
297
295
294
293
293
293
292
291
291
293
297
299
300
300
299
295
289
285
283

Friday 24

New Moon 0%

09:09

16:35

15 OK
16 OK
17 OK
18 OK
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

Sun - Rise: 08:29, Set: 17:11, Transit: 12:51. Moon - Rise: 09:09, Set: 16:35. Civil Dark: 17:49 - 07:51. Nautical Dark: 18:30 - 07:10. Astro Dark: 19:10 - 06:30

Total Clouds (% Sky Obscured)

34
34
34
34
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

34
34
34
34
72
72
72
72
72
72
27
27
27
27
27
27
44
44
44
44
44
44
81
81

High Clouds (% Sky Obscured)

12
12
12
12
97
97
97
97
97
97
25
25
25
25
25
25
65
65
65
65
65
65
27
27

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 (%)

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

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.02
0.05
0.12
0.15
0.08
0.01
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
1

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
82
82
82
83
84
85
87
88
91
93
94
96
97
98
99
99
99
100
100
100
99

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

281
280
280
280
280
280
280
280
279
279
279
280
281
282
284
287
288
288
286
285
285
286
287
288

Saturday 25

Waxing Crescent 3%

09:38

17:42

15 Bad
16 Bad
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

Sun - Rise: 08:27, Set: 17:13, Transit: 12:51. Moon - Rise: 09:38, Set: 17:42. Civil Dark: 17:50 - 07:50. Nautical Dark: 18:32 - 07:08. Astro Dark: 19:12 - 06:29

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
96
96
96
96
96
100
100

Medium Clouds (% Sky Obscured)

81
81
81
81
97
97
97
97
97
97
10
10
10
10
10
10
13
13
13
13
13
13
0
0

High Clouds (% Sky Obscured)

27
27
27
27
88
88
88
88
88
88
3
3
3
3
3
3
31
31
31
31
31
31
30
30

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

Precipitation Probability (%)

5
5
4
3
4
7
9
12
13
13
11
9
3
0
0
4
5
6
5
7
9
11
12
11

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.02
0.04
0.06
0.06
0.06
0.06
0.03
0.01
0
0
0.01
0.01
0.01
0.01
0.02
0.03
0.05
0.07
0.06

Wind Speed/Direction (mph)

10
10
10
10
11
11
12
12
12
12
12
12
11
11
11
11
11
11
12
13
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
97
92
91
92
92
92
93
93
94
95
96
97
98
99
99
100
100
100
100
100
100
100
98

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

289
289
288
287
288
291
295
299
301
303
305
305
305
305
306
307
308
310
313
315
317
318
320
322

Forecast for Utrecht, Utrecht, NL (52.13,5.29)

Generated: 19/01/20 15:32:29. Forecast: 19/01/20 to 25/01/20. Timezone: UTC+1.00