Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 9

Waxing Gibbous 100%

20:59

05:04

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 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Good
20 Good

Sun - Rise: 05:41, Set: 20:31, Transit: 13:06. Moon - Rise: 20:59, Set: 05:04. Civil Dark: 21:03 - 05:09. Nautical Dark: 21:44 - 04:28. Astro Dark: 22:30 - 03:42

Total Clouds (% Sky Obscured)

69
76
72
83
100
100
100
100
100
96
98
45
9
1
75
75
79
77
28
100
76
58
11
3

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)

69
31
27
83
100
49
51
48
98
57
82
21
9
1
65
75
79
60
24
90
76
58
11
3

High Clouds (% Sky Obscured)

69
72
72
83
100
100
100
100
100
94
98
45
0
0
3
23
3
70
1
100
30
1
0
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 (%)

0
0
0
0
2
1
0
0
0
0
0
1
2
2
6
11
10
16
8
9
28
12
0
15

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)

9
8
8
8
16
16
15
11
12
10
9
12
13
18
16
12
15
18
20
18
18
15
8
4

Chance of Frost

Temperature (°C)

26
26
24
23
26
25
23
24
23
22
24
27
31
32
34
34
35
36
35
33
29
24
25
23

Feels Like (°C)

22
22
21
20
20
20
18
19
18
18
20
23
26
29
30
29
29
30
27
30
23
21
24
24

Dew Point (°C)

-2
-1
-1
-1
2
5
5
4
5
5
6
5
3
2
0
-2
-2
-2
-2
2
6
10
9
11

Relative Humidity (%)

15
17
20
20
21
27
31
27
30
31
31
25
17
14
11
9
9
9
9
14
23
41
36
48

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1010
1010
1011
1010
1010
1009
1009
1008
1007
1005
1005
1005
1007
1008
1011
1011
1012

Ozone (du)

289
290
291
291
289
290
292
292
294
299
299
299
300
302
303
306
306
308
308
308
309
315
316
315

Thursday 10

Full Moon 100%

20:59

06:10

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
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

Sun - Rise: 05:42, Set: 20:30, Transit: 13:06. Moon - Rise: 20:59, Set: 06:10. Civil Dark: 21:03 - 05:10. Nautical Dark: 21:43 - 04:29. Astro Dark: 22:29 - 03:43

Total Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
5
0
0
28
34
61
99
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
16
15
23
26
46
32
36
69
71

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
5
0
0
28
10
31
49
69
60
79
22
40
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
28
34
61
70
80
86
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
8
5
9
4

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
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
21
42
33
52
61
95
95
95
95
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
4.6
0.5
1.7
0.3

Wind Speed/Direction (mph)

5
7
7
7
5
4
3
3
2
2
1
0
2
7
11
10
10
11
10
10
13
14
12
2

Chance of Frost

Temperature (°C)

20
19
19
19
19
18
17
16
16
16
20
23
25
26
28
30
30
31
30
30
26
16
16
15

Feels Like (°C)

20
18
18
17
17
17
16
15
15
15
20
24
24
26
26
27
28
28
26
27
22
13
13
15

Dew Point (°C)

9
9
9
8
7
5
4
3
2
3
4
4
5
6
6
6
6
6
6
6
9
14
14
13

Relative Humidity (%)

46
50
53
49
45
41
40
41
40
41
35
28
27
26
23
22
21
20
21
22
34
87
87
89

Pressure (mb)

1012
1013
1013
1013
1013
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1014
1017
1019
1020

Ozone (du)

315
317
318
316
315
314
314
314
313
313
314
313
310
309
308
307
307
305
306
303
300
301
301
301

Friday 11

Waning Gibbous 98%

21:36

07:20

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 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:42, Set: 20:30, Transit: 13:06. Moon - Rise: 21:36, Set: 07:20. Civil Dark: 21:02 - 05:11. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:29 - 03:44

Total Clouds (% Sky Obscured)

100
100
95
100
100
100
91
93
93
93
84
89
85
85
100
80
84
100
100
100
100
83
71
56

Low Clouds (% Sky Obscured)

38
48
55
60
40
34
41
47
47
44
38
43
42
41
27
24
21
1
16
17
21
13
7
0

Medium Clouds (% Sky Obscured)

68
25
5
3
3
3
0
2
28
44
49
44
20
21
7
47
22
32
63
35
62
70
68
15

High Clouds (% Sky Obscured)

100
100
59
100
100
100
15
15
30
30
1
25
20
15
100
52
84
100
100
100
100
72
44
16

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

40
10
9
2
0
0
0
4
5
1
0
0
0
0
2
7
24
54
46
86
83
76
32
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.8
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
15
15
14
14
13
14
15
18
20
21
22
24
25
28
28
28
25
23
19
19

Feels Like (°C)

15
15
13
13
14
14
14
14
12
13
15
17
18
19
21
22
23
28
26
25
23
23
17
19

Dew Point (°C)

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

Relative Humidity (%)

85
90
90
95
87
87
87
90
93
90
82
74
66
58
53
48
41
35
34
35
44
53
75
76

Pressure (mb)

1020
1020
1021
1021
1020
1019
1018
1019
1019
1019
1019
1018
1018
1018
1017
1016
1015
1014
1013
1013
1013
1014
1014
1015

Ozone (du)

299
298
300
301
304
306
309
313
314
313
312
310
313
314
316
316
318
313
312
313
308
308
308
308

Saturday 12

Waning Gibbous 93%

22:07

08:31

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

Sun - Rise: 05:43, Set: 20:29, Transit: 13:06. Moon - Rise: 22:07, Set: 08:31. Civil Dark: 21:01 - 05:11. Nautical Dark: 21:42 - 04:31. Astro Dark: 22:28 - 03:46

Total Clouds (% Sky Obscured)

51
19
13
11
15
7
13
6
3
3
4
9
11
13
12
16
17
47
67
81
40
69
54
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)

11
5
0
0
0
0
0
1
0
0
0
0
1
2
0
0
1
29
46
68
37
54
30
46

High Clouds (% Sky Obscured)

19
10
11
10
11
6
7
3
1
3
4
9
9
11
10
16
17
22
25
24
35
34
48
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 (%)

18
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
18
26
22
34
53
35

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
6
5
5
5
5
6
6
5
5
3
2
1
2
5
8
10
11
12
13
13
13
11
6

Chance of Frost

Temperature (°C)

18
17
17
16
17
16
16
16
15
15
19
23
25
27
28
30
32
32
32
32
32
31
30
26

Feels Like (°C)

17
15
16
16
16
15
15
14
14
14
19
25
25
27
27
29
30
31
30
29
28
28
26
25

Dew Point (°C)

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

Relative Humidity (%)

73
72
66
65
63
63
63
63
60
57
53
38
35
32
28
23
19
18
18
17
18
18
20
32

Pressure (mb)

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

Ozone (du)

309
311
312
314
315
315
314
312
311
312
311
309
306
306
305
305
304
304
306
306
306
306
305
306

Sunday 13

Waning Gibbous 86%

22:33

09:41

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

Sun - Rise: 05:44, Set: 20:28, Transit: 13:06. Moon - Rise: 22:33, Set: 09:41. Civil Dark: 21:01 - 05:12. Nautical Dark: 21:41 - 04:32. Astro Dark: 22:27 - 03:47

Total Clouds (% Sky Obscured)

100
100
99
99
98
45
42
87
21
17
17
13
9
18
25
10
5
0
43
73
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)

5
3
0
0
1
2
0
0
0
3
7
11
9
12
9
0
0
0
18
32
44
37
31
24

High Clouds (% Sky Obscured)

100
100
99
99
98
45
42
87
21
17
17
7
9
18
25
10
5
0
43
73
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 (%)

17
8
1
0
0
0
0
0
0
0
1
0
7
14
19
21
35
46
50
48
41
50
44
25

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
6
6
6
4
3
4
4
4
3
2
1
1
2
3
5
7
11
13
8
8
11
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
18
17
17
18
18
17
19
23
26
27
28
29
29
29
29
28
31
32
33
22
22

Dew Point (°C)

9
9
9
8
8
7
7
7
7
8
9
8
8
8
7
6
6
4
4
7
9
11
11
11

Relative Humidity (%)

39
45
47
47
45
45
45
44
44
45
42
32
30
27
24
20
19
18
16
22
29
37
42
46

Pressure (mb)

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

Ozone (du)

305
306
308
308
307
307
307
307
307
307
306
305
305
304
304
305
304
303
302
302
303
304
304
304

Monday 14

Waning Gibbous 78%

22:57

10:51

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 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:45, Set: 20:28, Transit: 13:06. Moon - Rise: 22:57, Set: 10:51. Civil Dark: 21:00 - 05:13. Nautical Dark: 21:40 - 04:33. Astro Dark: 22:26 - 03:48

Total Clouds (% Sky Obscured)

85
70
65
65
70
75
72
69
65
67
69
71
76
81
88
91
93
96
91
85
83
88
94
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
11
16
24
32
39
56
76
96
91
85
83
84
71
62

Medium Clouds (% Sky Obscured)

17
9
1
1
0
0
0
0
0
0
0
0
2
5
7
7
6
14
25
31
34
44
50
53

High Clouds (% Sky Obscured)

67
37
5
10
10
5
5
4
7
7
18
31
59
71
76
73
69
48
13
10
11
5
0
55

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
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

27
20
0
0
0
0
0
0
0
0
0
0
1
2
3
11
23
33
53
68
82
68
53
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
22
21
21
21
20
19
18
18
19
21
21
22
22
22
20
19
18
17
17
16
15

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
8
8
7
5
4
2
5
9
12
12
12
12
13
12
12
12
12
13
13
12

Relative Humidity (%)

51
48
46
43
41
41
40
38
36
35
41
49
59
56
53
51
56
59
65
70
73
77
82
86

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1012
1013
1015
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1021

Ozone (du)

304
304
305
305
307
308
309
309
309
310
308
307
306
305
304
303
303
302
302
300
299
298
297
296

Tuesday 15

Waning Gibbous 67%

23:20

12:02

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 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:46, Set: 20:27, Transit: 13:06. Moon - Rise: 23:20, Set: 12:02. Civil Dark: 20:59 - 05:14. Nautical Dark: 21:39 - 04:34. Astro Dark: 22:25 - 03:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
99
99
98

Low Clouds (% Sky Obscured)

74
86
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
99
99
98

Medium Clouds (% Sky Obscured)

32
17
2
1
1
0
0
0
0
0
0
0
0
0
0
3
6
9
8
7
7

High Clouds (% Sky Obscured)

77
95
100
98
100
95
100
100
100
68
36
4
4
3
3
2
1
0
1
1
2

ISS Passover

Visibility (miles)

8
8
8
8
6
3
0
0
1
1
4
7
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

23
21
12
14
15
15
15
13
12
16
18
19
20
19
17
33
43
50
56
60
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

5
5
4
5
4
4
3
3
4
4
4
4
4
4
5
5
6
7
9
6
4

Chance of Frost

Temperature (°C)

15
15
15
14
14
13
13
13
13
13
13
13
14
15
15
16
17
18
19
18
18

Feels Like (°C)

16
15
15
14
13
13
12
13
13
12
12
12
13
13
12
12
16
16
16
17
17

Dew Point (°C)

14
13
13
13
13
12
12
12
12
12
12
12
12
13
12
12
13
13
13
13
13

Relative Humidity (%)

92
90
90
90
92
93
93
95
95
95
93
92
90
87
83
79
74
71
68
70
72

Pressure (mb)

1022
1022
1023
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1020
1019
1019
1019

Ozone (du)

295
296
297
297
297
296
296
296
296
297
296
296
296
295
295
295
294
294
293
293
293

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

Generated: 09/07/25 21:46:50. Forecast: 09/07/25 to 15/07/25. Timezone: UTC-6.00