Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:07

20:56

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:19, Set: 20:00, Transit: 13:10. Moon - Rise: 06:07, Set: 20:56. Civil Dark: 20:31 - 05:48. Nautical Dark: 21:09 - 05:10. Astro Dark: 21:51 - 04:29

Total Clouds (% Sky Obscured)

90
92
90
88
56
81
98
100
94
100
100
100
100
100
90
94
100
100
98
100
100
100
100
99

Low Clouds (% Sky Obscured)

88
86
75
69
39
40
40
25
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

57
43
45
40
11
0
0
0
0
58
75
100
100
92
88
93
99
97
98
85
82
41
24
24

High Clouds (% Sky Obscured)

11
8
6
10
40
68
93
100
92
100
100
100
100
100
36
44
37
30
68
100
97
100
100
96

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
30
32
27
0
0
1
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
2
1
1
1
2
3
3
4
4
4
4
4
4
3
2
2
2
3
2
2
2
2

Chance of Frost

Temperature (°C)

3
4
4
3
5
7
9
10
11
12
12
13
13
12
12
11
9
9
8
8
7
6
6
6

Feels Like (°C)

2
2
2
1
4
7
8
7
8
9
10
10
10
10
10
10
7
7
6
6
5
4
4
4

Dew Point (°C)

-0
-0
0
-1
1
0
1
-0
-1
-1
-1
-1
-0
-0
0
2
2
2
1
2
2
2
1
1

Relative Humidity (%)

77
76
77
77
73
63
56
49
45
41
40
40
40
42
45
54
58
61
63
66
69
71
72
74

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

353
349
351
347
345
342
339
336
337
338
338
339
339
337
336
337
337
337
337
338
336
337
336
336

Saturday 18

Waxing Crescent 3%

06:34

22:22

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:17, Set: 20:01, Transit: 13:09. Moon - Rise: 06:34, Set: 22:22. Civil Dark: 20:33 - 05:46. Nautical Dark: 21:11 - 05:08. Astro Dark: 21:52 - 04:26

Total Clouds (% Sky Obscured)

100
100
96
95
74
98
100
68
71
75
77
86
89
93
65
70
82
79
74
81
77
85
99
100

Low Clouds (% Sky Obscured)

0
0
39
32
0
0
0
2
2
2
2
2
13
33
39
43
43
33
28
26
19
4
3
13

Medium Clouds (% Sky Obscured)

22
9
24
10
10
15
21
8
2
2
2
8
3
2
14
42
62
76
64
50
58
77
79
97

High Clouds (% Sky Obscured)

100
100
79
86
72
96
100
61
66
61
61
82
78
76
62
42
53
36
16
25
30
63
93
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)

2
2
1
2
1
1
1
1
1
1
1
1
2
2
3
2
2
2
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

5
5
4
4
6
9
12
14
16
18
19
20
20
20
20
19
16
14
13
13
12
12
11
10

Feels Like (°C)

3
4
3
3
4
8
10
12
15
17
19
21
19
19
18
17
15
14
13
12
11
11
10
9

Dew Point (°C)

1
2
1
1
1
3
3
4
4
4
4
4
4
4
7
9
7
6
6
7
7
7
7
6

Relative Humidity (%)

76
79
80
77
71
64
55
49
43
40
37
35
34
34
42
53
56
59
63
66
70
72
75
76

Pressure (mb)

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

Ozone (du)

337
337
336
335
333
330
328
328
327
326
326
326
327
328
330
330
331
333
335
337
338
339
338
340

Sunday 19

Waxing Crescent 9%

07:10

23:45

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:16, Set: 20:03, Transit: 13:09. Moon - Rise: 07:10, Set: 23:45. Civil Dark: 20:34 - 05:44. Nautical Dark: 21:13 - 05:06. Astro Dark: 21:54 - 04:24

Total Clouds (% Sky Obscured)

100
100
99
91
96
92
94
100
73
100
94
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
3
4
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
92
99
91
93
92
94
100
73
78
94
91
39
100
89
81
90
68
80
64
17
80
61
20

High Clouds (% Sky Obscured)

100
98
73
50
83
55
53
65
26
100
66
100
100
100
100
100
100
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)

3
2
3
2
2
2
2
2
2
1
1
3
5
4
3
2
4
4
4
2
3
2
2
2

Chance of Frost

Temperature (°C)

10
10
10
10
11
14
16
18
19
21
22
23
23
22
21
20
17
15
14
13
13
12
12
11

Feels Like (°C)

9
9
8
9
10
12
14
16
18
21
21
22
21
21
21
19
16
14
12
12
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

76
76
74
74
70
62
56
50
46
43
41
39
39
41
51
57
62
66
68
68
70
70
71
72

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

342
345
347
349
349
350
351
352
354
355
354
353
354
354
355
355
355
357
358
357
358
357
360
362

Monday 20

Waxing Crescent 17%

07:57

00:59

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:14, Set: 20:04, Transit: 13:09. Moon - Rise: 07:57, Set: 00:59. Civil Dark: 20:36 - 05:43. Nautical Dark: 21:14 - 05:04. Astro Dark: 21:56 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
77
100
95
93
98
99
91
80
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
16
64
38
34
35
38
33
28
27
29
28

Medium Clouds (% Sky Obscured)

87
94
95
93
96
98
98
52
41
43
44
41
100
88
79
96
32
37
49
86
91
99
98
96

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
71
32
6
5
2
1
24
15
5
28
18
31
54
78

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
1
1
0
2
2
1
13
16
17
16
18
15
27
28
26
23
22
16
15
12
7
16
22

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)

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

Chance of Frost

Temperature (°C)

10
9
10
10
10
12
13
15
16
15
16
17
16
17
16
14
13
13
12
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
76
77
76
70
62
55
48
44
41
39
38
40
48
61
70
71
70
71
73
73
73
74

Pressure (mb)

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

Ozone (du)

361
360
359
359
360
361
361
356
348
344
343
342
340
338
337
336
334
333
332
330
329
329
331
331

Tuesday 21

Waxing Crescent 27%

08:58

01:58

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:12, Set: 20:05, Transit: 13:09. Moon - Rise: 08:58, Set: 01:58. Civil Dark: 20:37 - 05:41. Nautical Dark: 21:16 - 05:02. Astro Dark: 21:58 - 04:20

Total Clouds (% Sky Obscured)

100
100
100
100
91
100
100
90
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
35
35
35
33
28
27
29
25
24
23
24
36
51
63
74
78
83
88
82
72
64
64
66

Medium Clouds (% Sky Obscured)

100
91
73
69
49
67
96
73
85
96
100
100
100
92
84
78
64
58
50
64
75
84
91
95

High Clouds (% Sky Obscured)

100
100
100
100
91
100
100
80
80
86
86
88
100
100
100
100
100
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
8
6
4
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

27
32
31
29
29
24
10
10
10
7
33
44
48
79
77
75
76
65
46
72
78
72
70
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.5
0.3
0
0.3
0.3
0.2
0.2
0.3

Wind Speed/Direction (mph)

1
2
2
2
2
2
2
3
3
3
4
4
7
5
5
5
6
5
5
4
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
80
80
73
65
60
55
50
47
44
44
46
58
62
65
69
72
76
78
82
88
93
95

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1007
1008
1007
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010

Ozone (du)

333
335
336
337
338
340
340
342
344
346
350
353
356
359
361
363
365
363
361
360
358
357
356
356

Wednesday 22

Waxing Crescent 39%

10:10

02:42

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:11, Set: 20:07, Transit: 13:09. Moon - Rise: 10:10, Set: 02:42. Civil Dark: 20:38 - 05:39. Nautical Dark: 21:17 - 05:00. Astro Dark: 22:00 - 04:17

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
97
96
95
95
96
97
94
91
89
81
74
67
66
63
56
62
56

Low Clouds (% Sky Obscured)

66
73
80
86
83
79
77
70
69
69
82
89
95
91
89
87
79
74
67
66
63
56
59
44

Medium Clouds (% Sky Obscured)

100
93
85
78
84
89
93
78
69
65
55
44
32
20
10
0
0
0
1
6
12
17
16
14

High Clouds (% Sky Obscured)

100
100
99
96
94
95
96
75
54
21
14
11
11
14
11
4
6
8
9
6
3
0
1
1

ISS Passover

Visibility (miles)

4
4
4
4
5
6
8
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

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

Precipitation Probability (%)

78
80
83
86
76
67
60
46
36
34
40
44
45
41
34
22
21
19
6
11
11
9
19
21

Precipitation Amount (mm)

0.3
0.4
0.5
0.6
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
7
8
8
9
11
11
11
11
10
10
10
9
8
8
7
6
5
5
5
6

Dew Point (°C)

8
8
8
8
8
9
9
10
11
11
12
10
9
7
7
6
5
5
5
4
5
5
5
5

Relative Humidity (%)

95
96
96
96
96
95
93
92
90
89
87
79
72
65
69
71
74
77
78
82
84
87
88
88

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018
1018

Ozone (du)

356
356
357
357
358
358
357
357
357
357
356
356
355
355
355
355
355
355
355
354
359
363
367
368

Thursday 23

First Quarter 50%

11:29

03:15

Sun - Rise: 06:09, Set: 20:08, Transit: 13:08. Moon - Rise: 11:29, Set: 03:15. Civil Dark: 20:40 - 05:37. Nautical Dark: 21:19 - 04:58. Astro Dark: 22:02 - 04:15

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for West Portland, Multnomah, United States of America (45.46,-122.72)

Generated: 17/04/26 03:44:35. Forecast: 17/04/26 to 23/04/26. Timezone: UTC-7.00