Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Full Moon 100%

18:43

06:47

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

Sun - Rise: 06:15, Set: 18:25, Transit: 12:20. Moon - Rise: 18:43, Set: 06:47. Civil Dark: 18:50 - 05:50. Nautical Dark: 19:19 - 05:22. Astro Dark: 19:48 - 04:52

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
59
87
88
82
56
1
0
0
0
0
0
0

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
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
1
0
59
87
88
82
56
1
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)

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

Chance of Frost

Temperature (°C)

23
25
27
29
31
33
34
35
36
36
36
35
33
32
31
30
29
28
27
26
25
23
22
22

Feels Like (°C)

23
25
27
29
31
33
34
35
36
36
36
35
33
32
31
30
29
28
27
26
25
23
22
22

Dew Point (°C)

14
13
12
12
11
9
7
5
4
4
3
4
4
5
7
7
8
8
9
9
8
8
8
8

Relative Humidity (%)

57
48
40
34
28
22
18
16
14
13
13
14
16
19
22
23
26
29
31
33
35
39
41
40

Pressure (mb)

1011
1012
1013
1013
1013
1013
1012
1011
1011
1010
1010
1010
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1015
1016

Ozone (du)

279
281
282
281
280
279
280
280
280
279
279
278
279
279
279
280
281
282
283
283
284
285
287
288

Tuesday 21

Waning Gibbous 98%

19:11

No Set

07 Good
08 Good
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 Good

Sun - Rise: 06:16, Set: 18:24, Transit: 12:19. Moon - Rise: 19:11, Set: No Set. Civil Dark: 18:48 - 05:51. Nautical Dark: 19:17 - 05:22. Astro Dark: 19:46 - 04:53

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
0
0
0

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

Chance of Frost

Temperature (°C)

22
24
27
29
32
33
35
36
37
38
38
36
34
33
32
31
30
29
28
27
26
25
24
24

Feels Like (°C)

22
24
27
29
32
33
35
36
37
38
38
36
34
33
32
31
30
29
28
27
26
25
24
24

Dew Point (°C)

7
7
6
6
4
3
3
2
1
1
1
3
4
5
6
7
7
8
8
9
9
9
8
7

Relative Humidity (%)

38
32
27
22
18
15
13
12
11
10
10
13
15
17
19
22
24
26
29
31
34
36
36
35

Pressure (mb)

1017
1018
1018
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

288
288
287
286
284
284
284
285
285
285
284
284
285
285
286
287
289
288
288
287
287
287
287
289

Wednesday 22

Waning Gibbous 94%

19:38

07:45

07 Good
08 Good
09 Good
10 OK
11 OK
12 OK
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

Sun - Rise: 06:16, Set: 18:22, Transit: 12:19. Moon - Rise: 19:38, Set: 07:45. Civil Dark: 18:47 - 05:52. Nautical Dark: 19:16 - 05:23. Astro Dark: 19:45 - 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
0
1
1

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
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
1
1

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)

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

Chance of Frost

Temperature (°C)

24
26
28
31
33
34
35
36
37
38
38
36
35
33
32
31
31
30
29
28
26
25
24
23

Feels Like (°C)

24
26
28
31
33
34
35
36
37
38
38
36
35
33
32
31
31
30
29
28
26
25
24
23

Dew Point (°C)

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

Relative Humidity (%)

34
31
28
25
22
21
20
19
18
18
18
21
24
27
30
32
31
33
36
39
42
46
53
55

Pressure (mb)

1019
1019
1019
1019
1019
1018
1017
1016
1015
1014
1013
1012
1012
1013
1013
1013
1012
1012
1012
1012
1011
1011
1012
1013

Ozone (du)

289
289
289
288
286
286
286
285
284
284
285
285
285
285
284
284
285
284
284
283
283
283
283
283

Thursday 23

Waning Gibbous 89%

20:06

08:42

07 Good
08 Good
09 Good
10 Good
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
05 Bad
06 Bad

Sun - Rise: 06:17, Set: 18:21, Transit: 12:19. Moon - Rise: 20:06, Set: 08:42. Civil Dark: 18:46 - 05:52. Nautical Dark: 19:14 - 05:24. Astro Dark: 19:44 - 04:55

Total Clouds (% Sky Obscured)

1
1
1
1
50
50
50
50
50
50
69
69
69
69
69
69
84
84
84
84
84
84
100
100

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
0
0
0

Medium Clouds (% Sky Obscured)

1
1
1
1
6
6
6
6
6
6
0
0
0
0
0
0
47
47
47
47
47
47
18
18

High Clouds (% Sky Obscured)

0
0
0
0
48
48
48
48
48
48
69
69
69
69
69
69
80
80
80
80
80
80
100
100

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

Precipitation Probability (%)

2
2
2
2
2
3
2
4
7
6
5
2
0
3
3
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.02
0.02
0.04
0.05
0.04
0.04
0.24
0.22
0.18
0.02
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
7
7
8
9
13
12
9
7
7
5
5
4
3
4
5
6
5
5
4
3
3

Chance of Frost

Temperature (°C)

23
25
27
29
31
32
33
34
33
33
34
33
31
30
29
29
28
28
27
26
24
23
22
21

Feels Like (°C)

23
25
27
29
31
32
33
34
33
33
34
33
31
30
29
29
28
28
27
26
24
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

51
45
40
34
31
29
28
28
29
26
23
28
32
35
37
40
37
40
45
50
55
59
52
51

Pressure (mb)

1013
1014
1014
1013
1013
1013
1012
1011
1011
1010
1009
1008
1009
1010
1010
1010
1011
1010
1010
1010
1010
1011
1011
1012

Ozone (du)

283
283
283
283
283
283
283
283
283
284
286
287
287
287
287
288
287
287
288
289
290
292
293
295

Friday 24

Waning Gibbous 82%

20:36

09:39

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 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:18, Set: 18:20, Transit: 12:18. Moon - Rise: 20:36, Set: 09:39. Civil Dark: 18:44 - 05:53. Nautical Dark: 19:13 - 05:24. Astro Dark: 19:42 - 04:55

Total Clouds (% Sky Obscured)

100
100
100
100
49
49
49
49
49
49
99
99
99
99
99
99
21
21
21
21
21
21
21
21

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
0
0
0

Medium Clouds (% Sky Obscured)

18
18
18
18
34
34
34
34
34
34
7
7
7
7
7
7
1
1
1
1
1
1
21
21

High Clouds (% Sky Obscured)

100
100
100
100
29
29
29
29
29
29
99
99
99
99
99
99
20
20
20
20
20
20
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
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 (%)

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

Precipitation Amount (mm)

0
0
0
0
0.07
0.11
0.15
0.16
0.14
0.09
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
25
28
27
28
30
31
31
32
36
35
32
30
29
28
27
27
25
24
23
21
20
19

Feels Like (°C)

22
23
25
28
27
28
30
31
31
32
36
35
32
30
29
28
27
27
25
24
23
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

49
46
40
35
42
41
39
37
34
32
21
22
24
27
29
31
30
32
35
38
42
50
53
52

Pressure (mb)

1012
1013
1014
1014
1014
1013
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1010
1010
1010
1010
1011
1012
1012
1013

Ozone (du)

296
296
296
296
298
298
297
296
295
295
295
296
296
296
296
295
289
289
289
289
288
296
296
297

Saturday 25

Waning Gibbous 74%

21:09

10:37

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

Sun - Rise: 06:19, Set: 18:18, Transit: 12:18. Moon - Rise: 21:09, Set: 10:37. Civil Dark: 18:43 - 05:54. Nautical Dark: 19:12 - 05:25. Astro Dark: 19:41 - 04:56

Total Clouds (% Sky Obscured)

21
21
21
21
31
31
31
31
31
31
47
47
47
47
47
47
2
2
2
2
2
2
20
20

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
0
0
0

Medium Clouds (% Sky Obscured)

21
21
21
21
0
0
0
0
0
0
12
12
12
12
12
12
2
2
2
2
2
2
19
19

High Clouds (% Sky Obscured)

0
0
0
0
31
31
31
31
31
31
42
42
42
42
42
42
0
0
0
0
0
0
3
3

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

Precipitation Probability (%)

4
4
3
3
2
2
0
0
0
0
2
5
7
9
9
7
5
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0.02
0.05
0.13
0.19
0.17
0.1
0.06
0.02
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
24
27
30
32
34
35
35
36
36
34
31
29
28
27
26
25
24
23
21
20
19
19

Feels Like (°C)

20
21
24
27
30
32
34
35
35
36
36
34
31
29
28
27
26
25
24
23
21
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

50
46
39
32
27
26
25
24
23
22
23
26
32
38
42
44
46
49
53
56
60
64
66
64

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1011
1010
1009
1008
1009
1010
1010
1011
1011
1011
1011
1011
1010
1011
1011
1011
1012

Ozone (du)

297
298
298
297
297
297
297
297
297
296
295
295
296
297
297
298
299
299
298
298
297
297
297
298

Sunday 26

Waning Gibbous 65%

21:46

11:34

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

Sun - Rise: 06:19, Set: 18:17, Transit: 12:18. Moon - Rise: 21:46, Set: 11:34. Civil Dark: 18:41 - 05:55. Nautical Dark: 19:10 - 05:26. Astro Dark: 19:39 - 04:57

Total Clouds (% Sky Obscured)

20
20
20
20
51
51
51
51
51
51
38
38
38
38
38
38
45
45
45
45
45
45
6
6

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
0
0
0

Medium Clouds (% Sky Obscured)

19
19
19
19
47
47
47
47
47
47
24
24
24
24
24
24
40
40
40
40
40
40
6
6

High Clouds (% Sky Obscured)

3
3
3
3
20
20
20
20
20
20
24
24
24
24
24
24
12
12
12
12
12
12
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
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
4
6
8
8
5
2
0
2
5
7
7
6
6
5
5
4
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.04
0.07
0.12
0.13
0.07
0.01
0
0.01
0.07
0.14
0.13
0.08
0.05
0.04
0.03
0.02
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
24
27
30
32
33
34
35
35
35
33
31
29
28
27
26
26
25
24
23
22
21
20

Feels Like (°C)

20
21
24
27
30
32
33
34
35
35
35
33
31
29
28
27
26
26
25
24
23
22
21
20

Dew Point (°C)

12
12
12
12
12
12
12
12
11
11
12
11
11
10
11
11
11
11
11
11
11
12
12
12

Relative Humidity (%)

61
56
47
39
33
29
27
25
24
24
25
26
29
31
34
37
38
40
42
45
49
54
57
56

Pressure (mb)

1013
1013
1013
1013
1012
1011
1011
1010
1009
1009
1008
1009
1010
1010
1011
1011
1012
1012
1012
1011
1011
1012
1012
1012

Ozone (du)

299
300
300
300
299
299
298
296
295
293
292
292
293
293
293
293
293
293
292
292
292
292
292
291

Forecast for Chandler, Maricopa County, US (33.31,-111.82)

Generated: 20/09/21 07:15:54. Forecast: 20/09/21 to 26/09/21. Timezone: UTC-7.00