Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 91%

19:57

08:38

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

Sun - Rise: 06:56, Set: 17:22, Transit: 12:10. Moon - Rise: 19:57, Set: 08:38. Civil Dark: 17:56 - 06:22. Nautical Dark: 18:35 - 05:43. Astro Dark: 19:14 - 05:05

Total Clouds (% Sky Obscured)

9
20
78
86
71
26
17
12
4
2
1
0
0
0
0
1
20
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
15
76
83
67
21
4
5
2
2
0
0
0
0
0
1
20
99
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

5
11
16
24
16
6
3
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
2
0
0
2
0
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
55

ISS Passover

Visibility (miles)

6
7
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
100
100
100
100
100
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
9
10
10
10
9
8
7
7
7
7
7
7
6
5
5
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
87
84
78
72
68
69
73
78
81
84
87
89
90
92
92
92
92
93
94
93
91
90

Pressure (mb)

1025
1025
1026
1026
1026
1026
1027
1027
1028
1028
1029
1029
1030
1031
1031
1032
1032
1032
1032
1033
1033
1033
1034
1034

Ozone (du)

317
314
311
308
305
303
300
298
296
295
293
292
291
290
288
287
286
285
284
284
283
283
284
285

Friday 22

Waning Gibbous 83%

21:19

09:01

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

Sun - Rise: 06:54, Set: 17:24, Transit: 12:10. Moon - Rise: 21:19, Set: 09:01. Civil Dark: 17:58 - 06:20. Nautical Dark: 18:37 - 05:41. Astro Dark: 19:16 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
90
93
81
15
26
82
100
100
100
100
100
100
100
100
100
100
99
77
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
34
2
2
2
9
81
100
100
100
100
100
100
100
100
100
100
99
77
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)

77
76
86
88
84
93
80
13
19
7
8
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
0
0
0
0
0
0
0
0
100
100
100
100
100
100
0
100
100
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
7
7
7
7
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

88
84
77
71
66
63
63
66
72
77
81
84
87
88
90
91
92
94
95
96
97
96
94
91

Pressure (mb)

1035
1035
1035
1035
1035
1035
1034
1034
1034
1035
1035
1035
1035
1035
1034
1034
1034
1034
1033
1033
1033
1033
1033
1034

Ozone (du)

285
286
286
286
285
285
285
284
283
282
282
281
280
280
279
279
279
279
279
279
279
279
279
279

Saturday 23

Waning Gibbous 74%

22:38

09:01

09 Bad
10 OK
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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:52, Set: 17:26, Transit: 12:10. Moon - Rise: 22:38, Set: 09:01. Civil Dark: 18:00 - 06:18. Nautical Dark: 18:39 - 05:39. Astro Dark: 19:18 - 05:01

Total Clouds (% Sky Obscured)

81
28
2
0
0
0
0
0
0
0
0
0
0
4
30
65
84
95
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

81
28
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
81
81
87
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
1
2
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
30
65
84
71
91
91
5
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
78
72
68
65
65
68
73
76
80
83
85
86
86
86
86
86
86
86
87
86
83
82

Pressure (mb)

1034
1034
1034
1033
1033
1033
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034

Ozone (du)

280
280
280
281
281
281
281
282
283
284
284
285
285
285
286
286
286
285
285
284
283
284
288
293

Sunday 24

Waning Gibbous 63%

23:54

09:25

09 Bad
10 Bad
11 Bad
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 Bad
07 Bad
08 Bad

Sun - Rise: 06:50, Set: 17:28, Transit: 12:10. Moon - Rise: 23:54, Set: 09:25. Civil Dark: 18:02 - 06:16. Nautical Dark: 18:41 - 05:37. Astro Dark: 19:19 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
88
88
88

Low Clouds (% Sky Obscured)

100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
88
88
88

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
74
69
64
62
61
60
62
66
70
72
73
74
74
74
73
73
74
75
76
78
77
76
75

Pressure (mb)

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

Ozone (du)

298
302
305
306
303
297
293
291
290
290
289
288
287
286
285
284
284
284
285
287
289
291
292
293

Monday 25

Waning Gibbous 53%

01:06

09:51

09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:48, Set: 17:30, Transit: 12:10. Moon - Rise: 01:06, Set: 09:51. Civil Dark: 18:03 - 06:14. Nautical Dark: 18:42 - 05:35. Astro Dark: 19:21 - 04:56

Total Clouds (% Sky Obscured)

88
88
88
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)

88
88
88
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
7
10
12
13
14
14
12
10
7
6
5
4
4
3
3
3
3
2
2
2
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

74
70
65
60
56
54
54
58
65
70
74
76
77
79
80
81
83
84
86
88
90
89
88
86

Pressure (mb)

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

Ozone (du)

295
296
297
298
300
301
302
303
303
304
304
304
305
305
306
306
307
308
308
309
309
309
310
310

Tuesday 26

Third Quarter 42%

02:14

10:21

09 Good
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 Bad
07 Bad
08 Bad

Sun - Rise: 06:46, Set: 17:31, Transit: 12:10. Moon - Rise: 02:14, Set: 10:21. Civil Dark: 18:05 - 06:12. Nautical Dark: 18:44 - 05:33. Astro Dark: 19:23 - 04:54

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
81
81
81

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
81
81
81

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
77
70
63
59
57
57
60
65
70
75
78
81
83
84
85
86
87
89
90
90
90
88
87

Pressure (mb)

1032
1032
1031
1031
1030
1030
1029
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1025

Ozone (du)

310
309
309
308
307
306
306
306
306
306
307
308
309
310
310
310
310
309
309
308
308
307
307
306

Wednesday 27

Waning Crescent 32%

03:16

10:55

09 Bad
10 Bad
11 Bad
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 OK
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:44, Set: 17:33, Transit: 12:09. Moon - Rise: 03:16, Set: 10:55. Civil Dark: 18:07 - 06:10. Nautical Dark: 18:46 - 05:31. Astro Dark: 19:25 - 04:52

Total Clouds (% Sky Obscured)

81
81
81
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
100
100
100

Low Clouds (% Sky Obscured)

81
81
81
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99

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
36
36
36

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
48
48
48

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
9
10
10
10
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
12
14
15
16
16
15
13
11
11
10
7
7
7
6
6
6
5
5
5
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

85
79
72
65
61
59
59
62
68
72
75
76
78
80
83
85
85
84
84
86
88
89
88
87

Pressure (mb)

1024
1024
1024
1024
1023
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1025

Ozone (du)

306
306
306
306
306
306
306
306
305
305
305
307
309
311
314
317
320
324
327
332
338
341
343
343

Forecast for Maldon, Essex, UK (51.73,0.67)

Generated: 21/02/19 09:34:14. Forecast: 21/02/19 to 27/02/19. Timezone: UTC+0.00