Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 30%

11:45

22:11

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

Sun - Rise: 06:16, Set: 19:53, Transit: 13:04. Moon - Rise: 11:45, Set: 22:11. Civil Dark: 20:22 - 05:47. Nautical Dark: 20:57 - 05:12. Astro Dark: 21:34 - 04:35

Total Clouds (% Sky Obscured)

22
15
23
31
46
53
65
68
75
33
33
58
29
32
12
50
42
100
100
100
100
100
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)

8
15
23
29
46
43
64
67
75
31
30
46
18
32
0
2
0
0
0
0
0
54
0
70

High Clouds (% Sky Obscured)

2
4
2
4
0
0
0
0
2
0
2
31
4
3
10
50
42
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Chance of Frost

Temperature (°C)

27
27
28
29
30
31
31
31
30
28
25
24
21
22
23
22
21
20
22
22
21
22
25
26

Feels Like (°C)

27
27
27
28
28
27
26
27
26
25
25
22
18
21
20
19
16
16
18
19
18
19
23
24

Dew Point (°C)

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

Relative Humidity (%)

22
18
18
17
16
17
16
15
19
25
35
37
38
37
38
34
30
29
31
33
34
37
36
25

Pressure (mb)

1019
1018
1017
1016
1015
1015
1014
1013
1013
1013
1013
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1016
1016

Ozone (du)

300
298
298
297
295
293
292
292
290
288
286
285
284
283
282
281
282
283
284
283
283
284
284
284

Tuesday 18

Waxing Crescent 39%

12:50

22:39

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
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:17, Set: 19:52, Transit: 13:04. Moon - Rise: 12:50, Set: 22:39. Civil Dark: 20:21 - 05:48. Nautical Dark: 20:55 - 05:13. Astro Dark: 21:32 - 04:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
91
100
100
100
97
100
77
100
98
96
70
57
76
59
17
18
13
6
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
50
12
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

89
11
97
99
100
89
73
75
88
75
92
31
88
11
79
38
24
21
14
2
2
0
0
0

High Clouds (% Sky Obscured)

100
100
100
98
74
43
100
100
100
63
73
57
100
98
86
54
44
61
52
15
18
13
6
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
8
4
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
1
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
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
4
8
2
13
11
27
31
23
33
33
48
3
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
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
28
29
30
29
30
31
29
29
26
23
22
20
20
19
18
18
18
18
18
16
17
21
24

Feels Like (°C)

26
24
24
25
27
28
26
26
26
23
21
21
19
18
16
16
17
16
15
15
15
17
23
25

Dew Point (°C)

2
2
1
2
7
6
6
7
7
10
11
13
13
13
12
10
11
10
9
9
8
8
8
7

Relative Humidity (%)

19
18
16
17
25
21
20
25
24
37
47
55
62
64
63
59
60
58
56
56
56
55
43
35

Pressure (mb)

1015
1015
1015
1014
1015
1013
1013
1013
1013
1015
1016
1017
1019
1019
1019
1018
1017
1017
1017
1016
1017
1017
1017
1017

Ozone (du)

282
282
282
282
282
282
282
283
284
284
284
284
284
285
286
287
289
290
290
290
292
294
295
296

Wednesday 19

First Quarter 49%

13:55

23:12

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

Sun - Rise: 06:17, Set: 19:51, Transit: 13:04. Moon - Rise: 13:55, Set: 23:12. Civil Dark: 20:19 - 05:49. Nautical Dark: 20:54 - 05:15. Astro Dark: 21:30 - 04:38

Total Clouds (% Sky Obscured)

3
91
100
100
100
100
53
54
60
48
78
72
72
21
28
50
21
11
7
8
13
17
19
31

Low Clouds (% Sky Obscured)

0
3
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
55
63
75
68
68
49
54
55
28
36
25
6
0
0
0
0
0
0
0
0
0
0
18

High Clouds (% Sky Obscured)

0
65
65
65
65
67
2
0
17
18
70
65
65
21
26
49
20
11
6
7
12
14
17
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
7
14
24
13
10
34
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
4
5
4
5
4
4
9
10
6
3
4
4
7
6
5
5
5
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

25
27
28
29
29
29
29
29
26
25
23
21
22
22
22
21
20
20
20
20
20
22
24
26

Feels Like (°C)

26
27
26
25
26
26
25
27
23
23
22
21
21
21
21
20
18
19
19
20
19
21
25
27

Dew Point (°C)

4
2
1
1
4
3
3
1
10
12
11
10
9
8
7
7
6
8
8
9
9
9
7
6

Relative Humidity (%)

26
20
17
17
20
18
18
17
35
44
46
47
44
41
39
40
41
44
48
49
48
44
33
27

Pressure (mb)

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

Ozone (du)

294
295
296
296
294
294
296
296
297
298
297
297
295
296
295
294
293
294
292
292
293
292
292
291

Thursday 20

Waxing Gibbous 59%

14:57

23:52

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

Sun - Rise: 06:18, Set: 19:49, Transit: 13:03. Moon - Rise: 14:57, Set: 23:52. Civil Dark: 20:18 - 05:50. Nautical Dark: 20:52 - 05:16. Astro Dark: 21:28 - 04:40

Total Clouds (% Sky Obscured)

41
75
82
67
82
85
100
98
75
50
34
51
51
59
55
55
60
87
69
58
47
12
5
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)

36
50
48
45
35
43
46
38
30
15
34
12
9
8
7
6
2
19
31
35
24
2
2
19

High Clouds (% Sky Obscured)

8
41
55
47
72
77
99
97
75
50
32
46
45
54
50
50
58
87
69
16
47
7
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
8
12
16
18
24
34
30
26
18
18
10
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)

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

Chance of Frost

Temperature (°C)

28
29
31
31
31
31
30
29
28
26
24
23
23
23
24
23
22
22
22
21
21
23
25
28

Feels Like (°C)

27
28
28
27
29
28
27
25
24
24
22
21
21
22
22
21
20
20
19
18
18
19
24
28

Dew Point (°C)

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

Relative Humidity (%)

24
23
23
20
18
17
17
18
19
27
33
33
35
35
35
36
37
39
38
37
35
32
29
18

Pressure (mb)

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

Ozone (du)

287
286
285
284
285
284
282
281
280
280
280
281
280
280
281
281
281
281
281
281
280
281
281
281

Friday 21

Waxing Gibbous 69%

15:54

00:38

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

Sun - Rise: 06:19, Set: 19:48, Transit: 13:03. Moon - Rise: 15:54, Set: 00:38. Civil Dark: 20:16 - 05:51. Nautical Dark: 20:50 - 05:17. Astro Dark: 21:27 - 04:41

Total Clouds (% Sky Obscured)

36
57
70
93
100
99
97
100
96
73
76
91
100
100
79
65
52
41
28
16
14
16
20
27

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)

36
56
49
67
60
62
61
69
54
55
64
59
51
33
32
17
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
26
54
76
97
97
99
95
65
55
57
100
100
78
65
52
41
28
16
14
16
20
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
12
18
22
23
26
36
15
15
9
10
8
0
1
1
0
0
0
0
0
0
0
1

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)

0
2
7
6
10
7
9
2
8
3
0
3
4
5
5
5
5
5
4
4
4
3
2
2

Chance of Frost

Temperature (°C)

29
30
31
32
31
32
31
30
28
26
25
24
23
23
22
21
21
21
20
20
20
20
20
22

Feels Like (°C)

28
29
28
28
28
27
29
21
25
25
24
22
21
19
19
18
18
18
18
18
18
16
15
16

Dew Point (°C)

-1
-1
-1
-1
-1
0
0
7
14
14
12
10
8
6
5
4
5
4
4
3
4
2
0
-1

Relative Humidity (%)

14
13
12
12
12
13
13
24
41
46
45
42
38
33
33
33
33
33
34
34
35
30
26
22

Pressure (mb)

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

Ozone (du)

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

Saturday 22

Waxing Gibbous 77%

16:46

01:32

10 OK
11 OK
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
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:20, Set: 19:46, Transit: 13:03. Moon - Rise: 16:46, Set: 01:32. Civil Dark: 20:15 - 05:52. Nautical Dark: 20:49 - 05:18. Astro Dark: 21:25 - 04:42

Total Clouds (% Sky Obscured)

32
36
55
73
94
96
98
100
98
97
95
97
97
98
99
99
99
98
98
99
99
99
98
76

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
12
26
48
61
67
68
66
63
62
46
31
23
15
10
1
4
5
6
6
6
6
6

High Clouds (% Sky Obscured)

32
36
55
72
88
92
95
100
95
90
84
86
88
88
92
95
99
98
98
97
99
99
98
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

1
2
17
27
32
51
55
49
65
59
15
23
22
1
1
1
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
24
25
29
29
30
28
27
26
25
24
23
22
21
21
21
21
21
21
21
21
21
22
23

Feels Like (°C)

17
17
18
27
26
25
26
26
27
24
24
25
23
22
20
18
18
18
18
18
17
16
16
16

Dew Point (°C)

-0
-0
0
2
1
-1
0
1
2
5
7
9
9
8
8
8
8
8
8
8
7
5
4
3

Relative Humidity (%)

21
20
19
17
15
14
16
18
21
26
33
42
42
43
43
43
43
43
42
42
40
35
30
26

Pressure (mb)

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

Ozone (du)

280
279
279
279
279
279
279
279
280
279
278
278
278
277
277
277
277
277
277
276
276
277
277
277

Sunday 23

Waxing Gibbous 85%

17:30

02:32

10 Bad
11 OK
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 OK
05 OK

Sun - Rise: 06:21, Set: 19:45, Transit: 13:03. Moon - Rise: 17:30, Set: 02:32. Civil Dark: 20:13 - 05:53. Nautical Dark: 20:47 - 05:19. Astro Dark: 21:23 - 04:44

Total Clouds (% Sky Obscured)

56
40
61
78
95
96
98
100
100
100
100
100
100
100
95
89
84
62
40
21

Low Clouds (% Sky Obscured)

0
0
0
0
0
9
17
25
16
8
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
12
28
41
54
61
66
71
69
69
70
47
24
6
6
4
1
0
0
0

High Clouds (% Sky Obscured)

53
35
54
73
85
82
80
78
85
93
100
100
100
100
94
89
84
60
35
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
7
8
8
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

1
1
19
27
32
52
75
95
83
67
49
49
45
35
28
19
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
1.2
0.7
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
9
9
10
10
3
5
11
8
4
4
4
4
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

25
26
28
30
30
30
28
26
24
23
22
22
21
21
21
20
20
20
20
19

Feels Like (°C)

17
18
19
30
31
31
31
31
32
20
21
21
21
20
20
19
19
19
18
18

Dew Point (°C)

3
2
2
7
10
12
15
17
20
19
18
17
16
15
14
13
13
13
13
12

Relative Humidity (%)

23
21
19
23
28
33
44
59
79
77
75
73
70
68
65
64
64
64
63
60

Pressure (mb)

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

Ozone (du)

277
277
277
277
277
277
277
277
277
277
277
276
276
276
276
277
277
277
278
278

Forecast for Niwot, Boulder, United States of America (40.10,-105.17)

Generated: 17/08/26 10:49:28. Forecast: 17/08/26 to 23/08/26. Timezone: UTC-6.00