Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:30

06:59

15 Good
16 OK
17 Good
18 Good
19 Good
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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: 06:52, Set: 19:09, Transit: 12:59. Moon - Rise: 19:30, Set: 06:59. Civil Dark: 19:43 - 06:18. Nautical Dark: 20:23 - 05:38. Astro Dark: 21:06 - 04:56

Total Clouds (% Sky Obscured)

5
25
7
0
1
100
100
91
84
17
98
85
77
98
95
95
99
98
98
97
99
99
98
98

Low Clouds (% Sky Obscured)

5
25
7
0
1
0
0
0
1
0
0
0
7
31
41
41
81
66
16
30
91
61
31
20

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
100
100
91
84
16
98
85
75
97
90
91
95
95
98
97
92
98
97
97

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
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
19
18
17
15
14
13
12
12
11
11
10
10
9
9
9
10
12
13
15
16
18
19

Feels Like (°C)

19
20
19
18
17
15
14
13
12
12
11
11
10
10
8
8
8
9
12
13
15
16
18
19

Dew Point (°C)

9
9
9
10
11
10
10
10
10
10
10
9
9
9
9
8
8
8
9
10
11
11
11
11

Relative Humidity (%)

51
50
53
58
68
73
80
85
89
91
92
93
93
93
96
96
93
89
85
79
75
70
65
61

Pressure (mb)

1024
1025
1025
1025
1025
1026
1026
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

294
291
292
291
294
293
292
291
291
291
287
285
285
284
284
283
283
283
282
281
281
281
278
278

Tuesday 21

Full Moon 99%

19:44

08:13

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

Sun - Rise: 06:54, Set: 19:06, Transit: 12:59. Moon - Rise: 19:44, Set: 08:13. Civil Dark: 19:40 - 06:20. Nautical Dark: 20:21 - 05:40. Astro Dark: 21:03 - 04:58

Total Clouds (% Sky Obscured)

98
98
99
99
97
94
89
26
6
7
2
4
13
91
55
66
73
70
95
100
100
100
100
97

Low Clouds (% Sky Obscured)

2
1
0
1
0
0
0
1
2
1
0
0
0
0
2
43
56
55
94
100
100
100
100
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)

98
98
99
99
97
94
89
25
4
6
2
4
12
91
54
37
38
31
23
4
2
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
1
2
1
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
4
4
4
4
5
5
5
5
5
5
5
5
5
5
6
7
7
8
9
8
9

Chance of Frost

Temperature (°C)

20
20
20
19
18
16
15
14
14
13
13
13
12
12
11
11
10
11
12
14
16
17
19
20

Feels Like (°C)

20
20
20
19
18
16
15
14
14
13
13
13
12
12
11
11
10
11
12
14
16
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

58
57
59
64
70
74
81
87
92
94
96
96
97
98
98
98
95
91
86
79
73
67
64
60

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1026

Ozone (du)

277
277
277
276
275
275
274
274
274
273
273
273
272
272
273
272
273
273
273
273
272
271
272
272

Wednesday 22

Waning Gibbous 96%

19:56

09:26

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

Sun - Rise: 06:55, Set: 19:04, Transit: 12:59. Moon - Rise: 19:56, Set: 09:26. Civil Dark: 19:38 - 06:21. Nautical Dark: 20:18 - 05:41. Astro Dark: 21:00 - 05:00

Total Clouds (% Sky Obscured)

83
66
2
2
38
50
45
9
2
2
76
73
41
91
97
91
100
100
100
100
100
100
52
52

Low Clouds (% Sky Obscured)

83
66
2
2
13
48
13
2
2
0
0
0
16
11
9
12
100
100
100
100
100
100
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
10
6
1
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
30
3
37
7
0
2
76
73
30
91
96
89
84
84
84
84
84
84
52
52

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
Very Light Rain
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
6
4
3
2
2
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.06
0.02
0.03
0.02
0.02
0.01
0

Wind Speed/Direction (mph)

9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
11
12
13
15
15
13
13

Chance of Frost

Temperature (°C)

20
20
20
19
18
17
15
15
14
13
13
13
12
12
12
13
13
13
14
15
16
17
18
18

Feels Like (°C)

20
20
20
19
18
17
15
15
14
13
13
13
12
12
12
13
13
13
14
15
16
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

57
58
61
66
70
75
81
88
92
96
98
98
98
98
97
96
93
91
87
78
72
68
59
55

Pressure (mb)

1025
1024
1024
1024
1023
1023
1023
1023
1023
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1017
1018
1017

Ozone (du)

273
273
273
273
272
273
274
275
277
279
276
276
277
278
278
277
277
278
278
277
277
277
275
276

Thursday 23

Waning Gibbous 91%

20:10

10:38

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
05 Good
06 Good
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Good
14 Good

Sun - Rise: 06:57, Set: 19:02, Transit: 12:58. Moon - Rise: 20:10, Set: 10:38. Civil Dark: 19:36 - 06:23. Nautical Dark: 20:16 - 05:43. Astro Dark: 20:57 - 05:02

Total Clouds (% Sky Obscured)

52
52
52
52
80
80
80
80
80
80
0
0
0
0
0
0
22
22
22
22
22
22
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
39
39
39
39
39
39
0
0
0
0
0
0
17
17
17
17
17
17
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
7
7
7
7
7
0
0

High Clouds (% Sky Obscured)

52
52
52
52
67
67
67
67
67
67
0
0
0
0
0
0
0
0
0
0
0
0
1
1

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 (%)

1
1
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
13
12
12
11
11
10
10
10
10
10
9
10
11
13
15
17
19
20

Feels Like (°C)

19
18
17
16
15
14
13
12
12
11
11
10
10
10
10
8
7
8
11
13
15
17
19
20

Dew Point (°C)

9
10
9
9
9
9
9
10
10
10
10
10
10
10
10
9
8
9
9
10
12
13
13
13

Relative Humidity (%)

55
59
62
62
68
74
79
84
90
94
96
98
98
99
99
97
95
94
87
83
80
75
70
66

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1016
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014
1013

Ozone (du)

277
277
277
278
277
276
276
276
275
274
274
273
272
271
271
270
272
273
271
271
270
270
265
265

Friday 24

Waning Gibbous 84%

20:25

11:50

15 Good
16 Good
17 Good
18 Good
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 OK
14 OK

Sun - Rise: 06:59, Set: 18:59, Transit: 12:58. Moon - Rise: 20:25, Set: 11:50. Civil Dark: 19:33 - 06:25. Nautical Dark: 20:13 - 05:45. Astro Dark: 20:55 - 05:03

Total Clouds (% Sky Obscured)

2
2
2
2
66
66
66
66
66
66
60
60
60
60
60
60
100
100
100
100
100
100
41
41

Low Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
49
49
49
49
49
49
100
100
100
100
100
100
15
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
2
2

High Clouds (% Sky Obscured)

1
1
1
1
66
66
66
66
66
66
23
23
23
23
23
23
6
6
6
6
6
6
31
31

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
11
11
11
10
10
10
10
10
10
9
8
8
8
8
8
9
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
15
15
14
14
14
15
15
15
15
15
15
16
16
15
15
15
15
15
15
15
15
14

Relative Humidity (%)

64
64
68
73
78
81
88
94
98
98
100
100
100
100
100
98
97
93
90
87
83
79
74
68

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

264
264
264
264
262
261
261
260
259
259
258
258
258
258
258
259
263
264
264
264
265
266
266
267

Saturday 25

Waning Gibbous 76%

20:43

13:01

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

Sun - Rise: 07:00, Set: 18:57, Transit: 12:58. Moon - Rise: 20:43, Set: 13:01. Civil Dark: 19:31 - 06:27. Nautical Dark: 20:11 - 05:47. Astro Dark: 20:52 - 05:05

Total Clouds (% Sky Obscured)

41
41
41
41
34
34
34
34
34
34
24
24
24
24
24
24
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

15
15
15
15
33
33
33
33
33
33
5
5
5
5
5
5
100
100
100
100
100
100
20
20

Medium Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
25
25
25
25
25
25
98
98

High Clouds (% Sky Obscured)

31
31
31
31
2
2
2
2
2
2
21
21
21
21
21
21
97
97
97
97
97
97
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
2
2
2
2
2
3
3
3
0
0
0
0
2
4

Precipitation Amount (mm)

0
0
0
0
0
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
0.01
0.07

Wind Speed/Direction (mph)

11
11
10
9
8
8
8
8
8
8
8
8
9
9
9
9
9
10
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
15
15
15
15
14
14
13
13
13
13
13
13
14
15
15
15
15
14

Relative Humidity (%)

65
65
68
72
77
82
89
98
99
100
100
100
100
100
100
100
99
96
93
89
85
79
75
73

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

268
270
270
271
272
272
273
274
275
277
278
279
281
282
281
279
278
278
278
278
278
277
277
276

Sunday 26

Waning Gibbous 68%

21:06

14:09

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 Good
08 OK
09 OK
10 OK
11 Good
12 Good
13 Good
14 Good

Sun - Rise: 07:02, Set: 18:55, Transit: 12:57. Moon - Rise: 21:06, Set: 14:09. Civil Dark: 19:28 - 06:28. Nautical Dark: 20:08 - 05:48. Astro Dark: 20:50 - 05:07

Total Clouds (% Sky Obscured)

98
98
98
98
97
97
97
97
97
97
98
98
98
98
98
98
8
8
8
8
8
8
11
11

Low Clouds (% Sky Obscured)

20
20
20
20
33
33
33
33
33
33
78
78
78
78
78
78
0
0
0
0
0
0
9
9

Medium Clouds (% Sky Obscured)

98
98
98
98
30
30
30
30
30
30
95
95
95
95
95
95
8
8
8
8
8
8
5
5

High Clouds (% Sky Obscured)

0
0
0
0
95
95
95
95
95
95
66
66
66
66
66
66
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

9
17
17
13
9
5
3
0
0
0
0
0
0
0
0
3
4
9
12
9
6
2
0
0

Precipitation Amount (mm)

0.2
0.31
0.27
0.17
0.1
0.04
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0.03
0.06
0.07
0.04
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
82
83
83
86
90
96
99
99
100
100
100
100
100
99
98
98
93
88
83
76
67
62

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

275
274
273
273
273
273
274
275
275
275
275
276
276
276
275
274
274
275
277
279
279
279
278
278

Forecast for Knowle, West Midlands, UK (52.39,-1.73)

Generated: 20/09/21 15:54:52. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00