Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waning Gibbous 91%

20:09

09:21

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 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 06:53, Set: 18:59, Transit: 12:56. Moon - Rise: 20:09, Set: 09:21. Civil Dark: 19:32 - 06:20. Nautical Dark: 20:11 - 05:41. Astro Dark: 20:52 - 05:00

Total Clouds (% Sky Obscured)

98
98
93
61
51
100
100
100
100
100
99
88
97
97
89
23
16
2
0
0
2
1
0
0

Low Clouds (% Sky Obscured)

97
91
84
26
40
100
100
100
100
99
95
49
59
35
20
8
13
2
0
0
2
1
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

71
74
53
53
17
0
45
83
84
86
90
78
93
95
87
16
2
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
2
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
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
11
12
13
15
16
17
18
20
21
21
21
20
18
16
15
14
14
13
12
12
12
11

Feels Like (°C)

11
12
11
12
13
15
16
17
18
20
21
21
21
20
18
16
15
14
14
13
12
12
12
11

Dew Point (°C)

11
12
11
11
12
13
13
13
14
14
13
13
13
12
12
12
12
11
11
11
11
11
11
11

Relative Humidity (%)

100
100
99
98
92
87
82
78
76
69
62
59
58
62
68
74
78
82
86
88
89
92
96
98

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017

Ozone (du)

276
275
278
278
277
277
276
275
272
272
270
269
269
269
268
267
266
267
267
267
266
266
265
265

Friday 24

Waning Gibbous 84%

20:25

10:32

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

Sun - Rise: 06:54, Set: 18:57, Transit: 12:56. Moon - Rise: 20:25, Set: 10:32. Civil Dark: 19:30 - 06:21. Nautical Dark: 20:09 - 05:42. Astro Dark: 20:49 - 05:02

Total Clouds (% Sky Obscured)

0
0
0
1
0
23
19
6
2
1
1
16
96
27
21
16
13
13
16
23
89
98
100
100

Low Clouds (% Sky Obscured)

0
0
0
1
0
23
19
6
2
1
1
16
96
17
15
16
13
13
16
23
88
98
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
2
6
7
7
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
12
7
0
0
0
0
0
2
0
9
23

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
1
1

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

Chance of Frost

Temperature (°C)

11
10
10
11
13
15
16
18
20
21
22
22
22
21
19
17
16
16
15
15
15
14
14
14

Feels Like (°C)

11
10
8
11
13
15
16
18
20
21
22
22
22
21
19
17
16
16
15
15
15
14
14
14

Dew Point (°C)

11
10
9
10
12
13
13
12
12
12
13
13
14
14
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

100
100
98
99
95
90
79
69
61
57
56
57
60
65
70
75
80
85
86
88
89
90
91
92

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1015
1014
1014

Ozone (du)

265
265
267
267
266
266
266
266
265
265
266
266
266
266
265
266
266
266
266
266
270
270
271
270

Saturday 25

Waning Gibbous 76%

20:45

11:43

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
03 Bad
04 Bad

Sun - Rise: 06:56, Set: 18:55, Transit: 12:55. Moon - Rise: 20:45, Set: 11:43. Civil Dark: 19:28 - 06:23. Nautical Dark: 20:06 - 05:44. Astro Dark: 20:47 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
91
66
84
100
100
100
100
100
92
95
86
86
86
86
86
86
78
78
78
78

Low Clouds (% Sky Obscured)

100
100
100
100
91
64
84
100
100
100
100
91
37
8
0
0
0
0
0
0
68
68
68
68

Medium Clouds (% Sky Obscured)

2
2
4
0
5
9
2
1
2
0
0
0
0
18
68
68
68
68
68
68
63
63
63
63

High Clouds (% Sky Obscured)

38
2
0
0
0
0
0
0
1
41
81
95
88
95
78
78
78
78
78
78
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 (%)

1
2
3
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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
4
4
3
0
0
0
0
0
0
1
1
1
1
0
0
0
2
6
12
3
0
0
0

Precipitation Amount (mm)

0
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0.01
0.05
0.2
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
15
15
16
17
18
19
20
21
21
21
20
19
17
16
15
15
14
14
14
14
14
14

Feels Like (°C)

14
14
15
15
16
17
18
19
20
21
21
21
20
19
17
16
15
15
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

92
93
92
91
87
83
79
75
73
69
63
62
65
69
73
76
81
84
85
84
83
84
86
89

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1013
1013
1013
1013
1014
1013
1014
1013
1013
1013
1012
1012
1011
1011

Ozone (du)

270
269
269
270
270
272
272
273
275
276
277
278
279
280
281
281
281
281
282
283
284
286
286
285

Sunday 26

Waning Gibbous 74%

21:09

12:53

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
03 Bad
04 Bad

Sun - Rise: 06:58, Set: 18:52, Transit: 12:55. Moon - Rise: 21:09, Set: 12:53. Civil Dark: 19:25 - 06:25. Nautical Dark: 20:04 - 05:46. Astro Dark: 20:44 - 05:06

Total Clouds (% Sky Obscured)

78
78
100
100
100
100
100
100
98
98
98
98
98
98
85
85
85
85
85
85
100
100
100
100

Low Clouds (% Sky Obscured)

68
68
100
100
100
100
100
100
91
91
91
91
91
91
19
19
19
19
19
19
99
99
99
99

Medium Clouds (% Sky Obscured)

63
63
0
0
0
0
0
0
0
0
0
0
0
0
24
24
24
24
24
24
98
98
98
98

High Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
84
84
84
84
84
84
80
80
80
80
80
80
8
8
8
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
8

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
Very Light Rain
Very Light Rain
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
Light Rain

Precipitation Probability (%)

0
0
0
3
7
9
5
2
2
0
0
0
0
0
1
5
7
9
8
8
13
19
45
63

Precipitation Amount (mm)

0
0
0
0.02
0.1
0.17
0.1
0.02
0.01
0
0
0
0
0
0.01
0.02
0.04
0.05
0.04
0.02
0.02
0.07
0.21
0.43

Wind Speed/Direction (mph)

4
4
4
5
6
8
10
12
13
14
15
16
15
14
12
12
13
13
14
14
14
14
13
13

Chance of Frost

Temperature (°C)

14
13
13
13
15
17
18
19
19
21
20
20
19
18
16
15
15
15
15
15
15
15
14
13

Feels Like (°C)

14
13
13
13
15
17
18
19
19
21
20
20
19
18
16
15
15
15
15
15
15
15
14
13

Dew Point (°C)

12
12
12
11
12
13
13
13
13
13
12
12
12
11
11
11
11
11
11
11
12
12
11
11

Relative Humidity (%)

89
92
92
89
84
78
72
68
66
60
59
61
62
66
71
75
77
80
79
81
82
82
84
85

Pressure (mb)

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

Ozone (du)

286
288
289
289
289
290
291
290
292
291
289
286
285
284
282
282
282
282
282
282
281
280
281
283

Monday 27

Waning Gibbous 68%

21:40

14:00

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

Sun - Rise: 06:59, Set: 18:50, Transit: 12:55. Moon - Rise: 21:40, Set: 14:00. Civil Dark: 19:23 - 06:26. Nautical Dark: 20:02 - 05:47. Astro Dark: 20:42 - 05:08

Total Clouds (% Sky Obscured)

100
100
33
33
33
33
33
33
26
26
26
26
26
26
21
21
21
21
21
21
1
1
1
1

Low Clouds (% Sky Obscured)

99
99
2
2
2
2
2
2
13
13
13
13
13
13
18
18
18
18
18
18
1
1
1
1

Medium Clouds (% Sky Obscured)

98
98
12
12
12
12
12
12
23
23
23
23
23
23
7
7
7
7
7
7
0
0
0
0

High Clouds (% Sky Obscured)

8
8
24
24
24
24
24
24
0
0
0
0
0
0
3
3
3
3
3
3
0
0
0
0

ISS Passover

Visibility (miles)

7
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

Light Rain
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

68
48
25
12
14
9
9
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.68
0.45
0.32
0.07
0.06
0.04
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
15
14
13
14
16
17
18
18
18
18
15
13
10
9
9
9
8
7
7
7
8
8

Chance of Frost

Temperature (°C)

13
13
12
12
12
13
14
15
17
17
18
17
16
15
14
13
12
12
11
11
10
10
10
10

Feels Like (°C)

13
13
12
12
12
13
14
15
17
17
18
17
16
15
14
13
12
12
11
11
10
10
10
8

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
86
82
77
70
62
56
51
47
47
51
58
63
65
66
69
70
72
74
77
82
84

Pressure (mb)

1009
1010
1010
1011
1012
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

284
290
294
295
297
301
302
302
300
299
299
298
298
297
296
295
294
293
292
291
290
289
288
287

Tuesday 28

Waning Gibbous 58%

22:21

15:02

05 Good
06 Good
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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 Good
02 Good
03 Good
04 Good

Sun - Rise: 07:01, Set: 18:48, Transit: 12:54. Moon - Rise: 22:21, Set: 15:02. Civil Dark: 19:21 - 06:28. Nautical Dark: 19:59 - 05:49. Astro Dark: 20:39 - 05:09

Total Clouds (% Sky Obscured)

1
1
12
12
12
12
12
12
98
98
98
98
98
98
98
98
98
98
98
98
2
2
2
2

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
34
34
34
34
34
34
95
95
95
95
95
95
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
39
39
39
39
39
39
72
72
72
72
72
72
2
2
2
2

High Clouds (% Sky Obscured)

0
0
12
12
12
12
12
12
98
98
98
98
98
98
13
13
13
13
13
13
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
13
19
20
19
17
15
12
7
4
3
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.04
0.24
0.46
0.49
0.41
0.32
0.2
0.08
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
9
11
13
14
15
16
17
17
16
15
13
11
9
8
7
7
8
9
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
88
87
83
79
76
73
69
63
58
56
59
63
66
67
68
71
72
73
74
75
76
78

Pressure (mb)

1018
1017
1017
1017
1017
1016
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1012

Ozone (du)

287
287
287
287
286
286
286
286
287
287
286
286
286
285
285
286
287
288
289
290
291
293
295
296

Wednesday 29

Third Quarter 49%

23:13

15:55

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

Sun - Rise: 07:02, Set: 18:45, Transit: 12:54. Moon - Rise: 23:13, Set: 15:55. Civil Dark: 19:18 - 06:29. Nautical Dark: 19:57 - 05:51. Astro Dark: 20:37 - 05:11

Total Clouds (% Sky Obscured)

2
2
6
6
6
6
6
6
100
100
100
100
100
100
10
10
10
10
10
10
6
6
6
6

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
71
71
71
71
71
71
2
2
2
2
2
2
6
6
6
6

Medium Clouds (% Sky Obscured)

2
2
6
6
6
6
6
6
100
100
100
100
100
100
9
9
9
9
9
9
2
2
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
96
96
96
96
96
96
0
0
0
0
0
0
1
1
1
1

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

18
30
39
52
59
57
44
24
13
12
13
12
10
8
9
15
25
40
47
49
51
51
48
46

Precipitation Amount (mm)

0.01
0.04
0.1
0.23
0.43
0.53
0.35
0.12
0.03
0.02
0.03
0.04
0.03
0.01
0.01
0.03
0.07
0.13
0.19
0.26
0.3
0.32
0.3
0.26

Wind Speed/Direction (mph)

11
11
11
12
13
14
15
15
16
16
18
18
18
17
16
14
12
11
11
12
13
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
87
86
88
88
85
81
75
70
65
63
61
63
65
66
68
70
73
76
78
80
84
87
89

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

297
298
300
303
307
311
314
316
320
324
329
333
334
334
335
336
338
340
340
340
340
340
340
340

Forecast for Basingstoke, Hampshire, UK (51.26,-1.09)

Generated: 23/09/21 05:46:45. Forecast: 23/09/21 to 29/09/21. Timezone: UTC+1.00